Site data updated: 2026-05-28 18:14 UTC
Sam Querrey def. Stefan Kozlov
6-3 6-0
Match Information
| Date | Aug 15, 2017* |
|---|---|
| Tournament | Cincinnati Masters |
| Category | Masters 1000 |
| Surface | Hard |
| Round | R64 |
| Winner | Sam Querrey |
| Score | 6-3 6-0 |
| Loser | Stefan Kozlov |
| Duration | 51m |
| Stat | Sam Querrey | Stefan Kozlov |
|---|---|---|
| Aces | 7 | 2 |
| Double faults | 0 | 3 |
| First serve % | 54 | 51 |
| First serve points won % | 82 | 54 |
| Second serve points won % | 74 | 43 |
| Break points saved % | — | 56 |
| Break points converted % | 44 | — |
| Service points won % | 78 | 49 |
| Return points won % | 51 | 22 |
| Total points won % | 64 | 36 |
Pre-match Comparison
| Field | Sam Querrey | Stefan Kozlov |
|---|---|---|
| Country | USA | USA |
| Birth date | Oct 7, 1987 | Feb 1, 1998 |
| Age | 29 | 19 |
| Height | 198 | 183 |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | Two-Handed Backhand | — |
| Ranking (entering) | 20 | 133 |
| Ranking points (entering) | 2,060 | 421 |
| Elo (entering) | 2,007 | 1,567 |
| Career W-L | 372–315 | 9–26 |
| Career earnings | $13,679,265 | $1,121,946 |
No prior-path match data is available for this tournament stage.