Level, 1 wins each over 2 singles meetings since 2021. Last meeting on 05/02/2023 at Dallas Open - Dallas.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 05/02/2023 | Dallas Open - Dallas | Qualifying 1 | indoor hard | Kozlov | 6-3 6-4 |
| 01/06/2021 | Little Rock Challenger | Round 1 | hard | Kwiatkowski | 6-2 6-1 |
| indoor hard | Kwiatkowski 0 - 1 Kozlov |
| hard | Kwiatkowski 1 - 0 Kozlov |
| 2023 | Kwiatkowski 0 - 1 Kozlov |
| 2021 | Kwiatkowski 1 - 0 Kozlov |
74 wins, 76 losses since 2021 (49.3%).
Last matches: D D V D D
150 wins, 114 losses since 2021 (56.8%).
Last matches: V V V V V
Level, 1 wins each over 2 singles meetings since 2021.
On 05/02/2023, at Dallas Open - Dallas (Qualifying 1): Stefan Kozlov won 6-3 6-4.