J Isner's career stats on The Drop Shot — a 5–10 match record (33% win rate) and 0 titles, with serve, return, and break-point numbers plus surface, season, and round breakdowns below. The main J Isner profile has recent form and head-to-head detail.
| Surface | W–L | Win % | Svc pts won | Ret pts won |
|---|---|---|---|---|
| Hard | 5–8 | 38% | 75.4% | 26.6% |
| Clay | 0–1 | 0% | 65.7% | 28.1% |
| Grass | 0–1 | 0% | 60.7% | 38.1% |
| First serve % | 68.1% | |
| First-serve points won | 81.8% | |
| Second-serve points won | 55.2% | |
| Service points won | 73.1% | |
| Service games held | 92.5% | |
| Aces | 348 | |
| Double faults | 45 |
| First-return points won | 20.8% | |
| Second-return points won | 41.1% | |
| Return points won | 27.8% | |
| Return games won | 6.6% | |
| Total points won | 49.9% |
| Break points converted | 23.4% | 15/64 |
| Break points saved | 73.4% | 47/64 |
Serve, return, and break-point numbers cover the 15 career matches with full stat capture.
| Season | W–L | Win % | Titles |
|---|---|---|---|
| 2023 | 5–10 | 33% | 0 |
| Round | W–L | Win % |
|---|---|---|
| Final | 0–1 | 0% |
| Semifinal | 1–0 | 100% |
| Quarterfinal | 1–0 | 100% |
| R16 | 1–0 | 100% |
| R32 | 1–1 | 50% |
| R64 | 0–2 | 0% |
| R128 | 1–6 | 14% |