Site data updated: 2026-05-28 18:14 UTC
John Isner def. Jannik Sinner
5-7 7-6(4) 6-4
Match Information
| Date | Aug 18, 2021* |
|---|---|
| Tournament | Cincinnati Masters |
| Category | Masters 1000 |
| Surface | Hard |
| Round | R32 |
| Winner | John Isner |
| Score | 5-7 7-6(4) 6-4 |
| Loser | Jannik Sinner |
| Duration | 2h 35m |
| Stat | John Isner | Jannik Sinner |
|---|---|---|
| Aces | 12 | 11 |
| Double faults | 2 | 2 |
| First serve % | 73 | 54 |
| First serve points won % | 79 | 85 |
| Second serve points won % | 43 | 59 |
| Break points saved % | 50 | 75 |
| Break points converted % | 25 | 50 |
| Service points won % | 69 | 73 |
| Return points won % | 27 | 31 |
| Total points won % | 49 | 51 |
Pre-match Comparison
| Field | John Isner | Jannik Sinner |
|---|---|---|
| Country | USA | ITA |
| Birth date | Apr 26, 1985 | Aug 16, 2001 |
| Age | 36 | 20 |
| Height | 208 | 191 |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | Two-Handed Backhand | — |
| Ranking (entering) | 26 | 15 |
| Ranking points (entering) | 2,238 | 2,745 |
| Elo (entering) | 1,991 | 1,952 |
| Career W-L | 467–293 | 351–92 |
| Career earnings | $22,433,361 | $64,837,801 |
Path
John Isner's path
| Date | Round | Opponent | Score | W/L | H2H | Match data |
|---|---|---|---|---|---|---|
| Aug 17, 2021 | R64 | Cameron Norrie | 4-6 7-6(5) 6-4 | W | H2H | Match data |
John Isner's next match
| Date | Round | Opponent | Score | W/L | H2H | Match data |
|---|---|---|---|---|---|---|
| Aug 20, 2021 | R16 | Benoit Paire | 6-7(1) 7-6(2) 1-6 | L | H2H | Match data |
Jannik Sinner's path
| Date | Round | Opponent | Score | W/L | H2H | Match data |
|---|---|---|---|---|---|---|
| Aug 17, 2021 | R64 | Federico Delbonis | 6-2 7-5 | W | H2H | Match data |