Stefan Kozlov
USA · 28 years
Rank 292 as of 22 Sep 2026
2026 season
| Surface | W-L |
|---|---|
| Clay | 5-5 |
| Grass | 3-1 |
| Hard | 13-17 |
| Total | 21-23 |
Serve and return
First serve points won
67%
63%
Return points won
41%
40%
Aces per 10 service games
2.2
1.5
Double faults per 10 service games
3.2
2.2
Match rating · last 10
Last 10 matches
| Date | Tournament | Opponent | Form |
|---|---|---|---|
| 22 Sep 2026 | San Diego 2 R32 | Smith Colton | L |
| 15 Sep 2026 | Tiburon R32 | Darwin Blanch | L |
| 13 Aug 2026 | Brownsburg R16 | Harry Wendelken | L |
| 12 Aug 2026 | Brownsburg R32 | Aidan Mayo | W |
| 25 Jul 2026 | Washington Qualifying | Zachary Svajda | L |
| 21 Jul 2026 | Bloomfield Hills R32 | Alan Magadan | L |
| 20 Jul 2026 | Bloomfield Hills Qualifying | Roger Pascual Ferra | L |
| 19 Jul 2026 | Bloomfield Hills Qualifying | Leo Vithoontien | W |
| 14 Jul 2026 | Pozoblanco R32 | Yi Zhou | L |
| 10 Jul 2026 | Newport R16 | Jacob Fearnley | L |