Stefan Kozlov leads 4 to 3 over 7 singles meetings since 2021. Last meeting on 01/02/2025 at Cleveland Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 01/02/2025 | Cleveland Challenger | Quarter-final | indoor hard | Wolf | 6-1 6-3 |
| 05/07/2024 | Bloomfield Hills Challenger | Quarter-final | hard | Kozlov | |
| 19/09/2022 | San Diego Open - San Diego | Round 1 | hard | Wolf | 6-2 7-6(6) |
| 20/11/2021 | Champaign Challenger | Semi-final | indoor hard | Kozlov | 2-6 3-6 |
| 06/11/2021 | Charlottesville Challenger | Semi-final | indoor hard | Kozlov | 6-1 6-7(1) 6-0 |
| 31/10/2021 | Las Vegas Challenger | Final | hard | Wolf | 4-6 4-6 |
| 25/09/2021 | Columbus Challenger | Semi-final | indoor hard | Kozlov | 6-2 3-6 5-7 |
| indoor hard | Kozlov 3 - 1 Wolf |
| hard | Kozlov 1 - 2 Wolf |
| 2025 | Kozlov 0 - 1 Wolf |
| 2024 | Kozlov 1 - 0 Wolf |
| 2022 | Kozlov 0 - 1 Wolf |
| 2021 | Kozlov 3 - 1 Wolf |
142 wins, 110 losses since 2021 (56.3%).
Last matches: D V D D D
133 wins, 103 losses since 2021 (56.4%).
Last matches: D D V V V
Stefan Kozlov leads 4 to 3 over 7 singles meetings since 2021.
On 01/02/2025, at Cleveland Challenger (Quarter-final): Jeff Wolf won 6-1 6-3.