Historique des matchs du joueur de tennis: Retrouvez ici la totalité des matchs et tournois joués par Kei Nishikori.
134 matchs enregistrés.
| 28/08/2026 | U.S. Open - New York | Kei Nishikori vs. Rei Sakamoto |
| 27/08/2026 | U.S. Open - New York | Kei Nishikori vs. Michael Antonius |
| 25/08/2026 | U.S. Open - New York | Sebastian Ofner vs. Kei Nishikori |
| 13/08/2026 | Cincinnati Open - Cincinnati | Marco Trungelliti vs. Kei Nishikori |
| 12/08/2026 | Cincinnati Open - Cincinnati | Kei Nishikori vs. Francisco Comesana |
| 01/08/2026 | National Bank Open - Montreal | Michael Zheng vs. Kei Nishikori |
| 30/07/2026 | Citi Open - Washington | Rafael Jodar vs. Kei Nishikori |
| 28/07/2026 | Citi Open - Washington | Kei Nishikori vs. Juncheng Shang |
| 22/04/2026 | Savannah Challenger | Jack Kennedy vs. Kei Nishikori |
| 21/04/2026 | Savannah Challenger | Kei Nishikori vs. Colton Smith |
| 10/04/2026 | Sarasota Challenger | Yibing Wu vs. Kei Nishikori |
| 08/04/2026 | Sarasota Challenger | Kei Nishikori vs. Nicolas Kicker |
| 09/03/2026 | Cherbourg Challenger | Clement Tabur vs. Kei Nishikori |
| 04/03/2026 | Thionville Challenger | Nicolai Budkov Kjaer vs. Kei Nishikori |
| 03/03/2026 | Thionville Challenger | Clement Tabur vs. Kei Nishikori |
| 02/03/2026 | Thionville Challenger | Kei Nishikori vs. Jelle Sels |
| 01/03/2026 | Thionville Challenger | Kei Nishikori vs. Daniel Jade |
| 06/01/2026 | Canberra Challenger | Vit Kopriva vs. Kei Nishikori |
| 21/11/2025 | Yokohama Challenger | Kei Nishikori vs. Kaichi Uchida |
| 20/11/2025 | Yokohama Challenger | Kei Nishikori vs. Sanhui Shin |