505 joueurs et joueuses, classés par nom de famille. Chaque fiche donne le bilan depuis 2021, le détail par surface et l'historique des matchs.
| Joueur | Pays | Classement | Matchs depuis 2021 |
|---|---|---|---|
| Yasmine Kabbaj | Morocco | n°271 | 193 |
| Alibek Kachmazov | Russia | n°494 | 316 |
| Adam Kaczmarek | Poland | — | 28 |
| Arjun Kadhe | India | n°899 | 75 |
| Zoe Kaegi | Switzerland | — | 25 |
| Maftunabonu Kahramonova | Uzbekistan | — | 26 |
| Hanival Kahsay | Australia | — | 32 |
| Polina Kaibekova | Russia | — | 92 |
| Klara Kajabova | Czech Republic | — | 21 |
| Kristian Tumbas Kajgo | Croatia | — | 33 |
| Haruka Kaji | Japan | n°258 | 298 |
| Daniil Kakhniuk | Belarus | — | 40 |
| Georgia Kalamaris | France | — | 160 |
| Admir Kalender | Croatia | — | 125 |
| Danylo Kalenichenko | Ukraine | n°510 | 37 |
| Kirill Kalennik | Russia | — | 21 |
| Elvina Kalieva | United States | n°132 | 336 |
| Vit Kalina | Czech Republic | — | 92 |
| Aleksandr Kalinin | Belarus | — | 35 |
| Anhelina Kalinina | Ukraine | n°54 | 284 |
| Anna Kalinskaya | Russia | n°20 | 271 |
| Laalitya Kalluri | India | — | 96 |
| Markos Kalovelonis | Greece | n°899 | 57 |
| Bhuvana Kalva | India | n°838 | 24 |
| Maria Kalyakina | Russia | n°615 | 181 |
| Adil Kalyanpur | India | n°881 | 147 |
| Madhwin Kamath | India | — | 151 |
| Udit Kamboj | India | — | 53 |
| Ilgiz Kamchibekov | Kyrgyzstan | — | 69 |
| Stephane Pierre-Jo Kamendje | Canada | — | 36 |
| Tobias Kamke | Germany | n°343 | 62 |
| Marcel Kamrowski | Poland | — | 99 |
| Sean Kamyshev | Israel | — | 30 |
| Victoria Kan | Russia | n°600 | 129 |
| Filip Kana | Czech Republic | — | 35 |
| Sarah Kanduth | Austria | — | 20 |
| Chisato Kanemaki | Japan | — | 25 |
| Kaia Kanepi | Estonia | n°246 | 127 |
| Kathleen Kanev | Germany | n°789 | 206 |
| Kyle Kang | United States | n°608 | 149 |
| Na Hyun Kang | Korea | — | 66 |
| Ku Keon Kang | Korea | — | 32 |
| Annika Kannan | India | — | 100 |
| Mickael Kaouk | France | — | 39 |
| Arystanbek Kaparov | Kazakhstan | — | 37 |
| Kabeer Kapasi | United States | — | 26 |
| Victoria Kapcia | Sweden | — | 21 |
| Mariam Karadzhaeva | Russia | — | 71 |
| Atakan Karahan | Turkey | — | 40 |
| Gonzalo Ariel Karakachian | Argentina | — | 85 |
| Adil Karakayev | Kazakhstan | — | 23 |
| Naima Karamoko | Switzerland | n°898 | 160 |
| Alexa Karatancheva | Bulgaria | — | 70 |
| Lia Karatancheva | Bulgaria | n°376 | 324 |
| Aslan Karatsev | Russia | n°721 | 217 |
| Yuki Karatsu | Japan | — | 42 |
| Zoziya Kardava | Russia | n°756 | 193 |
| Petyr Kardzhiev | Bulgaria | — | 22 |
| Jana Kareisova | Czech Republic | — | 27 |
| Valerija Maija Kargina | Latvia | — | 93 |
| Toshiki Karigyo | Japan | — | 27 |
| Ronit Karki | United States | n°893 | 46 |
| Sofia Constanza Karlau | Argentina | — | 28 |
| Evgeny Karlovskiy | Russia | n°846 | 269 |
| Noah Karma | Switzerland | — | 47 |
| Elena Karner | Austria | — | 100 |
| Milos Karol | Slovakia | n°461 | 291 |
| Timmy Karpinski | Australia | — | 42 |
| Yana Karpovich | Russia | n°798 | 69 |
| Tarun Karra | India | — | 49 |
| Sonay Kartal | Great Britain | n°56 | 231 |
| Pranav Karthik | India | — | 55 |
| Anna Kartseva | Russia | — | 55 |
| Adithya Karunaratne | Sri Lanka | n°565 | 233 |
| Daria Kasatkina | Australia | n°61 | 307 |
| Kiyan Santino Kasemi | Germany | — | 52 |
| Kamila Kashaeva | Switzerland | — | 56 |
| Tanisha Kashyap | India | n°885 | 133 |
| Himadri Kashyap | India | — | 43 |
| Victoria Jimenez Kasintseva | Andorra | n°120 | 322 |
| Matthias Uwe Kask | Canada | — | 50 |
| Maks Kasnikowski | Poland | n°233 | 304 |
| Sara Kastakova | Slovakia | — | 21 |
| Ruslan Kastsiukevich | Belarus | — | 25 |
| Nikolaj Katic | Denmark | — | 43 |
| Miyu Kato | Japan | n°508 | 36 |
| Nanari Katsumi | Japan | n°896 | 158 |
| Aditya Katticaren | India | — | 24 |
| Jakub Katuch | Slovakia | — | 91 |
| Raz Katz | Israel | — | 45 |
| Martin Katz | Belgium | — | 44 |
| Ashley Katz | Australia | — | 24 |
| Hans Peter Kaufmann | Austria | — | 49 |
| Patrick Kaukovalta | Finland | n°831 | 68 |
| Maria Lota Kaul | Estonia | n°755 | 56 |
| Basant Kaur | United States | — | 61 |
| Blaz Kavcic | Slovenia | n°221 | 33 |
| Katarzyna Kawa | Poland | n°131 | 297 |
| Kazuma Kawachi | Japan | n°835 | 179 |
| Nana Kawagishi | Japan | n°898 | 193 |
| Natsumi Kawaguchi | Japan | n°362 | 211 |
| Yuta Kawahashi | Japan | n°669 | 199 |
| Rimpei Kawakami | Japan | n°578 | 143 |
| Mana Kawamura | Japan | n°875 | 208 |
| Guelord Kayombo | — | — | 39 |
| Ivan Kazakov | Russia | — | 160 |
| Ekaterina Kazionova | Russia | n°442 | 290 |
| Jonas Keck | Germany | — | 36 |
| Miomir Kecmanovic | Serbia | n°60 | 303 |
| Charlotte Keitel | Germany | — | 21 |
| Duje Kekez | Croatia | n°754 | 85 |
| Kelly Keller | United States | — | 62 |
| Nadine Keller | Switzerland | n°850 | 198 |
| Dominik Kellovsky | Czech Republic | n°858 | 282 |
| Dayne Kelly | Australia | n°771 | 126 |
| Yannik Kelm | Germany | n°460 | 156 |
| Pavel Kelo | Slovakia | — | 42 |
| Magali Kempen | Belgium | n°414 | 161 |
| Charlotte Kempenaers-Pocz | Australia | n°773 | 24 |
| Sashi Kempster | Great Britain | — | 27 |
| Meisha Kendall-Woseley | United States | — | 45 |
| Sofia Kenin | United States | n°116 | 209 |
| Jack Kennedy | United States | n°389 | 74 |
| Stephanie Kent | United States | n°859 | 23 |
| Sandugash Kenzhibayeva | Kazakhstan | n°897 | 113 |
| Amirhosein Kepadkho | Iran | — | 41 |
| Julia Keranovic | Sweden | — | 29 |
| Angelique Kerber | Germany | n°212 | 92 |
| Nikola Keremedchiev | Bulgaria | — | 21 |
| Helene Kereselidze | France | — | 21 |
| Lesley Pattinama Kerkhove | Netherlands | n°284 | 217 |
| Yessine Kerouat | Tunisia | — | 22 |
| Maan Kesarwani | India | — | 67 |
| Mccartney Kessler | United States | n°47 | 219 |
| Mariano Kestelboim | Argentina | n°672 | 218 |
| Emma Kette | Germany | — | 21 |
| Madison Keys | United States | n°22 | 246 |
| Karen Khachanov | Russia | n°26 | 297 |
| Amanda Montes Khaghani | Spain | — | 29 |
| Farah Khalil | Egypt | — | 48 |
| Yousef Khamis | Egypt | — | 69 |
| Iman Khan | Great Britain | — | 39 |
| Shahbaaz Khan | India | — | 43 |
| Zane Khan | United States | n°457 | 44 |
| Laquisa Khan | Australia | n°853 | 102 |
| Mahta Khanloo | Iran | — | 31 |
| Shivam Khanna | India | — | 21 |
| Teerapat Khantiweerawat | Thailand | — | 37 |
| Roman Kharlamov | Russia | — | 26 |
| Darya Kharlanova | Russia | — | 32 |
| Irina Khayndrava | Russia | — | 21 |
| Ekaterina Khayrutdinova | Russia | n°471 | 88 |
| Daniel Khazime | Russia | n°899 | 94 |
| Mohamed Amine Aissa Khelifa | Algeria | — | 53 |
| Nicole Khirin | Israel | n°823 | 110 |
| Maksym Khlyvniuk | Ukraine | — | 24 |
| Ekaterina Khodzhaeva | Russia | — | 36 |
| Elgin Khoeblal | Netherlands | n°865 | 182 |
| Aleksei Khomich | Belarus | — | 97 |
| Daria Khomutsianskaya | Belarus | n°314 | 187 |
| Rushil Khosla | India | — | 41 |
| Egor Khotchenkov | Russia | — | 75 |
| Oleg Khotkov | Ukraine | n°897 | 32 |
| Julia Khramtsova | Russia | — | 50 |
| Valentina Khrebtova | Belgium | — | 24 |
| Irina Khromacheva | Russia | n°530 | 123 |
| Artem Khuda | Ukraine | — | 22 |
| Alina Khvatova | Russia | — | 28 |
| Nicolas Kicker | Argentina | n°369 | 295 |
| Szymon Kielan | Poland | n°893 | 167 |
| Mac Kiger | United States | — | 56 |
| Allie Kiick | United States | n°891 | 124 |
| Aziz Kijametovic | Bosnia and Herzegovina | n°899 | 49 |
| Mio Kijima | Japan | — | 21 |
| Riko Kikawada | Japan | — | 100 |
| Yuta Kikuchi | Japan | n°645 | 189 |
| Monika Kilnarova | Czech Republic | n°387 | 70 |
| Yujin Kim | Korea | n°893 | 114 |
| Na-Ri Kim | Korea | n°865 | 56 |
| David Kim | Korea | — | 30 |
| Sumin Kim | Korea | — | 43 |
| Dabin Kim | Korea | n°856 | 125 |
| Aidan Kim | United States | n°581 | 138 |
| Jangjun Kim | Korea | n°873 | 56 |
| Eunchae Kim | Korea | — | 58 |
| Dong Ju Kim | Korea | n°712 | 123 |
| Ye Eun Kim | Korea | — | 23 |
| Geun Jun Kim | Korea | — | 90 |
| Da Ye Kim | Korea | — | 22 |
| Cherry Kim | Korea | n°899 | 112 |
| Cheong-Eui Kim | Korea | n°620 | 58 |
| Haram Kim | Korea | — | 36 |
| Min Seong Kim | Korea | — | 40 |
| Dae Han Kim | Korea | — | 20 |
| Jae Hwan Kim | Korea | n°794 | 54 |
| Elicia Kim | Australia | — | 38 |
| Shavit Kimchi | Israel | n°893 | 111 |
| Orel Kimhi | Israel | n°791 | 170 |
| Julia Kimmelmann | Germany | n°871 | 41 |
| Tori Kinard | United States | n°870 | 113 |
| Kolos Kincses | Hungary | — | 21 |
| Oliver King | Australia | — | 20 |
| Evan King | United States | n°840 | 43 |
| Darian King | Barbados | n°766 | 104 |
| Cannon Kingsley | United States | n°435 | 226 |
| Raveena Kingsley | United States | n°859 | 140 |
| Hayu Kinoshita | Japan | n°222 | 196 |
| Dean Cooper Kirby | Great Britain | — | 21 |
| Strong Kirchheimer | United States | n°629 | 314 |
| Koray Kirci | Turkey | n°896 | 189 |
| Ergi Kirkin | Turkey | n°595 | 349 |
| Vasil Kirkov | United States | n°833 | 47 |
| Viktor Kirov | Bulgaria | — | 20 |
| Botond Kisantal | Hungary | — | 51 |
| Camille Kiss | United States | — | 20 |
| Chad Kissell | United States | — | 106 |
| Joelle Kissell | United States | n°898 | 24 |
| Yuno Kitahara | Japan | n°452 | 149 |
| Timur Kiuamov | Russia | n°820 | 58 |
| Sizya Ernest Kivanda | Great Britain | — | 65 |
| Kirill Kivattsev | Russia | n°544 | 335 |
| Ofer Kivity | Israel | — | 44 |
| Nicolai Budkov Kjaer | Norway | n°144 | 171 |
| Stian Klaassen | Netherlands | — | 52 |
| Melanie Klaffner | Austria | n°900 | 78 |
| Bradley Klahn | United States | n°706 | 23 |
| Anna Klasen | Germany | n°894 | 97 |
| Ekaterina Kldiashvili | Russia | — | 23 |
| Matt Kleiman | United States | — | 28 |
| Lukas Klein | Slovakia | n°150 | 296 |
| Daniel Kliebhan | United States | — | 30 |
| Jan Klimas | Czech Republic | — | 35 |
| Linda Klimovicova | Poland | n°206 | 269 |
| Bojana Klincov | Switzerland | n°899 | 114 |
| Alexander Klintcharov | New Zealand | n°880 | 159 |
| Martin Klizan | Slovakia | n°417 | 118 |
| Denys Klok | Russia | n°771 | 307 |
| Hannah Klugman | Great Britain | n°374 | 121 |
| Natalia Klys | Poland | — | 22 |
| Anna Kmiecik | Poland | — | 43 |
| Alex Knaff | Luxembourg | n°841 | 316 |
| Omar Knani | Tunisia | — | 93 |
| Stella Knez | Croatia | — | 26 |
| Marko Knezevic | Netherlands | — | 20 |
| Simon Knezevic | Montenegro | — | 21 |
| Paulo Knippling | Brazil | — | 82 |
| Kacper Knitter | Poland | — | 47 |
| Gabriela Andrea Knutson | Czech Republic | n°217 | 281 |
| Hao Sheng Koay | Malaysia | — | 20 |
| Krittin Koaykul | Thailand | — | 136 |
| Honoka Kobayashi | Japan | n°675 | 198 |
| Alex Kobelt | United States | — | 60 |
| Nicolas Kobelt | Switzerland | n°832 | 70 |
| Jan Kobierski | Austria | — | 96 |
| Momoko Kobori | Japan | n°338 | 216 |
| Tom Kocevar-Desman | Slovenia | n°771 | 46 |
| Dheeraj Kodancha | India | — | 103 |
| Toby Alex Kodat | United States | n°661 | 258 |
| Rein Koenders | Netherlands | — | 21 |
| Luc Koenig | South Africa | — | 119 |
| Timo Rosenkranz Koenig | Austria | — | 26 |
| Dominik Koepfer | Germany | n°147 | 193 |
| Anouk Koevermans | Netherlands | n°160 | 276 |
| Alan Kohen | Argentina | n°898 | 20 |
| Philipp Kohlschreiber | Germany | n°230 | 39 |
| Ena Koike | Japan | n°322 | 168 |
| Noritaka Koizumi | Japan | — | 46 |
| Thanasi Kokkinakis | Australia | n°431 | 227 |
| Tahlia Kokkinis | Australia | n°552 | 122 |
| Elizaveta Koklina | Russia | n°874 | 28 |
| Bruno Kokot | Poland | — | 32 |
| Zdenek Kolar | Czech Republic | n°154 | 379 |
| Nastja Kolar | Slovenia | n°664 | 40 |
| Maj Najvirt Kolaric | Slovenia | — | 40 |
| Maryna Kolb | Ukraine | — | 43 |
| Nadiya Kolb | Ukraine | n°731 | 181 |
| Koral Koldobski | Israel | — | 34 |
| Olexiy Kolisnyk | Ukraine | n°851 | 33 |
| Arabella Koller | Austria | n°889 | 182 |
| Vivek Kolluru | India | — | 58 |
| Oleg Kolninov | Russia | — | 25 |
| Jana Kolodynska | Belarus | n°591 | 197 |
| Nikola Kolyachev | Bulgaria | — | 67 |
| Margaux Komano | France | — | 231 |
| Poonthong Komopisut | Thailand | — | 20 |
| Gina Kondos | United States | — | 44 |
| Weiyi Kong | China | — | 28 |
| Rikke De Koning | Netherlands | — | 159 |
| Loes Ebeling Koning | Netherlands | n°631 | 122 |
| Petra Konjikusic | Serbia | n°800 | 80 |
| Ana Konjuh | Croatia | n°892 | 219 |
| Yuhei Kono | Japan | — | 41 |
| Maria Kononova | Russia | n°868 | 120 |
| Samuil Konov | Bulgaria | — | 163 |
| Vadym Konovchuk | Ukraine | — | 136 |
| Yoana Konstantinova | Bulgaria | — | 63 |
| Anett Kontaveit | Estonia | n°81 | 122 |
| Arthur Van Der Kooij | Netherlands | — | 42 |
| Valentin Kopeikin | Russia | — | 61 |
| Dmitry Kopilevich | Slovenia | — | 35 |
| Sandro Kopp | Austria | n°286 | 393 |
| Vit Kopriva | Czech Republic | n°70 | 364 |
| Nikola Koprivova | Czech Republic | — | 30 |
| Sebastian Korda | United States | n°36 | 266 |
| Ella Kordik | Austria | — | 28 |
| Eleni Kordolaimi | Greece | n°899 | 49 |
| Cara Korhonen | Australia | — | 77 |
| Alina Korneeva | Russia | n°89 | 191 |
| Elena Korokozidi | Russia | n°573 | 166 |
| Vladimir Korolev | Russia | n°896 | 67 |
| Tamara Korpatsch | Germany | n°46 | 316 |
| Dorian Kos | Ireland | — | 56 |
| Rira Kosaka | Japan | — | 25 |
| Klara Kosan | United States | — | 43 |
| Cooper Kose | Australia | — | 33 |
| Ayumi Koshiishi | Japan | n°444 | 278 |
| Constantinos Koshis | Cyprus | — | 34 |
| Filip Kosinski | Poland | — | 25 |
| Anet Angelika Koskel | Estonia | — | 72 |
| Stefan Kostic | Australia | — | 48 |
| Tamara Kostic | Austria | n°815 | 126 |
| Thomas Kostka | France | — | 30 |
| Teodora Kostovic | Serbia | n°146 | 142 |
| Mariya Kostyuk | Ukraine | — | 41 |
| Marta Kostyuk | Ukraine | n°13 | 268 |
| Patrick Kotan | Australia | — | 56 |
| Aditya Kothari | India | — | 20 |
| Yelyzaveta Kotliar | Ukraine | n°450 | 171 |
| Inez Maria Kotlikova | Czech Republic | — | 56 |
| Pavel Kotov | Russia | n°243 | 290 |
| Nicolas Ian Kotzen | United States | n°880 | 51 |
| Alexander Kotzen | United States | n°876 | 160 |
| Myko Yohann Himad Kouame | Cote d'Ivoire | — | 31 |
| Moise Kouame | France | n°213 | 82 |
| Radhouane Kouni | Tunisia | — | 77 |
| Ioannis Kountourakis | Greece | — | 220 |
| Valeria Koussenkova | Spain | — | 133 |
| Constantin Bittoun Kouzmine | France | n°507 | 417 |
| Tilen Kovac | Slovenia | — | 134 |
| Jelena Kovac | Serbia | — | 32 |
| Aleksandar Kovacevic | United States | n°95 | 329 |
| Tea Kovacevic | Bosnia and Herzegovina | — | 21 |
| Ema Kovacevic | Belgium | — | 26 |
| Tino Kovacic | Slovenia | — | 45 |
| Nala Kovacic | Slovenia | — | 20 |
| Stella Kovacicova | Slovakia | — | 87 |
| Jana Kovackova | Czech Republic | n°553 | 68 |
| Alena Kovackova | Czech Republic | n°476 | 118 |
| Vlada Koval | Russia | n°631 | 83 |
| Anastasia Kovaleva | Russia | n°798 | 173 |
| Jozef Kovalik | Slovakia | n°884 | 268 |
| Myhalo Kovalov | Ukraine | — | 22 |
| Palaphoom Kovapitukted | Thailand | n°615 | 83 |
| Punnin Kovapitukted | Thailand | n°668 | 214 |
| Kristina Kovgan | Russia | — | 29 |
| Danka Kovinic | Montenegro | n°644 | 139 |
| Natalia Kowalczyk | Poland | — | 52 |
| Honori Koyama | Japan | — | 84 |
| Hiromasa Koyama | Japan | — | 62 |
| Vlada Kozak | Great Britain | — | 71 |
| Funa Kozaki | Japan | n°854 | 174 |
| Karolina Kozakova | Switzerland | n°815 | 76 |
| Katarina Kozarov | Serbia | n°311 | 157 |
| Arkhip Kozlov | Russia | — | 25 |
| Stefan Kozlov | United States | n°292 | 250 |
| Boris Kozlov | United States | — | 25 |
| Matyas Kozlovsky | Czech Republic | — | 21 |
| Klim Kozyrev | Russia | — | 24 |
| Maria Kozyreva | Russia | n°621 | 157 |
| Lucas Krainer | Austria | n°744 | 136 |
| Michal Krajci | Slovakia | n°691 | 196 |
| Andrej Krajcik | Slovakia | — | 95 |
| Filip Krajinovic | Serbia | n°633 | 114 |
| Karolina Krajmer | Slovakia | — | 50 |
| Liam Krall | United States | — | 86 |
| Maxim Krapivin | Russia | — | 167 |
| David Krasner | United States | — | 38 |
| Daria Krasnova | Russia | n°869 | 27 |
| Galena Krastenova | Bulgaria | — | 32 |
| Jamie Krattiger | Switzerland | — | 108 |
| Sinja Kraus | Austria | n°80 | 387 |
| Georgii Kravchenko | Ukraine | n°387 | 343 |
| Pavel Kravchenko | Russia | — | 42 |
| Konstantin Kravchuk | Russia | n°547 | 67 |
| Albert Pedrico Kravtsov | Spain | n°868 | 123 |
| Kris Krawcewicz | Austria | — | 45 |
| Jakub Krawczyk | Poland | — | 38 |
| Tomas Krcma | Czech Republic | — | 25 |
| Barbora Krejcikova | Czech Republic | n°26 | 243 |
| Tereza Krejcova | Czech Republic | — | 22 |
| Ivan Kremenchutskyi | Ukraine | — | 117 |
| Alejandro Melero Kretzer | Spain | — | 72 |
| Benjamin Kreynes | United States | — | 41 |
| Adam Krischke | Czech Republic | — | 35 |
| Milan Krish | Australia | — | 60 |
| Makar Krivoshchekov | Russia | — | 54 |
| Matic Kriznik | Slovenia | — | 75 |
| Natalia Krockova | Slovakia | — | 45 |
| Kristina Kroitor | Russia | n°475 | 92 |
| Valeriia Krokhotina | Russia | — | 39 |
| Filip Krolo | Germany | — | 99 |
| Michiel De Krom | Netherlands | n°741 | 246 |
| Jakub Kroslak | Slovakia | — | 183 |
| Jiri Krouzek | Czech Republic | — | 20 |
| Veljko Krstic | Serbia | — | 62 |
| Pedja Krstin | Serbia | n°877 | 86 |
| Ashlyn Krueger | United States | n°67 | 297 |
| Mitchell Krueger | United States | n°364 | 317 |
| Zoe Kruger | South Africa | n°778 | 42 |
| Isabella Kruger | South Africa | n°849 | 135 |
| Connor Kruger | South Africa | — | 27 |
| Martin Krumich | Czech Republic | n°261 | 360 |
| Aleksandra Krunic | Serbia | n°544 | 171 |
| Maria Krupenina | Russia | — | 35 |
| Oleksii Krutykh | Ukraine | n°527 | 372 |
| Alexander Krylov | Russia | — | 29 |
| Anastasiya Krymkova | Kazakhstan | — | 42 |
| Sofia Kryvoruchko | Ukraine | — | 23 |
| Melany Solange Krywoj | Argentina | n°809 | 106 |
| Noa Krznaric | Croatia | — | 101 |
| Sophia Ksandinov | Germany | — | 63 |
| Marc Othman Ktiri | Spain | — | 49 |
| Yeon Woo Ku | Korea | n°171 | 309 |
| Karolina Kubanova | Czech Republic | n°867 | 35 |
| Anna Kubareva | Belarus | n°494 | 235 |
| Clement Kubiak | France | — | 24 |
| Martyna Kubka | Poland | n°187 | 288 |
| Jason Murray Kubler | Australia | n°217 | 230 |
| Kyoka Kubo | Japan | — | 34 |
| Takahiro Kubo | Japan | — | 90 |
| Lissi Kubre | Estonia | — | 21 |
| Jonas Kucera | Czech Republic | — | 49 |
| Kiara Nina Kucikova | Slovakia | — | 32 |
| Aneta Kucmova | Czech Republic | n°457 | 279 |
| Kristina Kucova | Slovakia | n°507 | 104 |
| Cem Christopher Kucukhuseyin | Turkey | — | 25 |
| Daria Kuczer | Poland | n°893 | 134 |
| Daria Kudashova | Russia | n°516 | 168 |
| Polina Kudermetova | Uzbekistan | n°108 | 336 |
| Veronika Kudermetova | Russia | n°31 | 272 |
| Moritz Kudernatsch | Germany | — | 35 |
| Pooja Kudesia | India | — | 20 |
| Denis Kudla | United States | n°223 | 226 |
| Igor Kudriashov | Russia | n°652 | 147 |
| Christian Kuehne | Switzerland | — | 22 |
| Matt Kuhar | United States | n°791 | 166 |
| Polina Kuharenko | Belarus | n°711 | 71 |
| Carolina Kuhl | Germany | n°533 | 193 |
| Nicola Kuhn | Germany | n°404 | 161 |
| Katarina Kujovic | Belgium | — | 36 |
| Artur Kukasian | Russia | n°881 | 143 |
| Grigory Kuklin | Russia | — | 30 |
| Mikhail Kukushkin | Kazakhstan | n°304 | 300 |
| Mateusz Kulakowski | Poland | — | 67 |
| Zhibek Kulambayeva | Kazakhstan | n°466 | 304 |
| Veronika Kulhava | Czech Republic | — | 58 |
| Anastasia Kulikova | Finland | n°393 | 306 |
| Omni Kumar | United States | n°391 | 327 |
| Pranav Kumar | United States | — | 99 |
| Meghna Arun Kumar | United States | — | 21 |
| Rethin Pranav Senthil Kumar | India | — | 31 |
| Melvin Kumar | Sweden | — | 55 |
| Sudipta Kumar | India | — | 21 |
| Bharath Nishok Kumaran | India | — | 150 |
| Takuya Kumasaka | Japan | n°523 | 258 |
| Lunda Kumhom | Thailand | — | 28 |
| Luksika Kumkhum | Thailand | n°679 | 90 |
| Alisa Kummel | Russia | n°785 | 141 |
| Ada Kumru | Turkey | — | 68 |
| Jan Kumstat | Czech Republic | n°508 | 105 |
| Leonie Kung | Switzerland | n°285 | 279 |
| Andrei Kunitsyn | Russia | — | 50 |
| Natthasith Kunsuwan | Thailand | — | 67 |
| Bryan Aguiar Kuntz | Brazil | — | 39 |
| Josephine Kunz | Switzerland | — | 54 |
| Anastasiya Kuparev | Germany | — | 128 |
| Jan Kupcic | Slovenia | — | 228 |
| Alex Kuperstein | United States | — | 59 |
| Mia Kupres | Canada | n°814 | 67 |
| Sandesh Dattatray Kurale | India | — | 35 |
| Miho Kuramochi | Japan | n°368 | 281 |
| Lucky Candra Kurniawan | Indonesia | — | 44 |
| Irem Kurt | Turkey | n°638 | 99 |
| Anamaria Kurtsikashvili | Georgia | — | 39 |
| Viktoria Kurz | Austria | — | 28 |
| Piotr Kusiewicz | Poland | — | 46 |
| Yusuke Kusuhara | Japan | n°798 | 112 |
| Hiroko Kuwata | Japan | n°837 | 271 |
| Dimitar Kuzmanov | Bulgaria | n°375 | 323 |
| Katarina Kuzmova | Slovakia | n°278 | 427 |
| Victor Kuznetsov | Russia | — | 44 |
| Andrey Kuznetsov | Russia | n°559 | 92 |
| Ekaterina Kuznetsova | Russia | — | 147 |
| Bruno Kuzuhara | United States | n°605 | 320 |
| Petra Kvitova | Czech Republic | n°543 | 148 |
| Thai Kwiatkowski | United States | n°677 | 149 |
| Soon-Woo Kwon | Korea | n°158 | 198 |
| Louise Kwong | Canada | n°827 | 50 |
| Samuel Kyjaci | Slovakia | — | 45 |
| Jerome Kym | Switzerland | n°194 | 259 |
| Evangelos Kypriotis | Greece | — | 113 |
| Patrick Kypson | United States | n°113 | 266 |
| Sergis Kyratzis | Cyprus | — | 72 |
| Nick Kyrgios | Australia | n°900 | 78 |
| Grygorii Kysilov | Ukraine | — | 21 |