John Isner defeated Sebastien De Chaunac 6-2 6-4 in the 2009 Washington Open third round on hard courts.
Match Statistics
| Stat | John Isner | Sebastien De Chaunac |
| Aces | 3 | 2 |
| Double faults | 2 | 5 |
| First serve % | 66 | 44 |
| First serve points won % | 74 | 81 |
| Second serve points won % | 81 | 36 |
| Break points saved % | — | 25 |
| Break points converted % | 75 | — |
| Service points won % | 77 | 56 |
| Return points won % | 44 | 23 |
| Total points won % | 57 | 43 |
Player Comparison
| Field | John Isner | Sebastien De Chaunac |
| Country |
USA
|
FRA
|
| Birth date | Apr 26, 1985 | Oct 7, 1977 |
| Age | 24 | 31 |
| Height | 208 cm | 183 cm |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | Two-Handed Backhand | — |
| Ranking (entering) | 80 | 181 |
| Ranking points (entering) | 754 | 361 |
| Elo (entering) | 1,788 | 1,656 |
| Current career W-L | 470–294 | 11–22 |
| Current career earnings | $22,433,361 | $547,906 |
Path
John Isner's path
John Isner's next match
Sebastien De Chaunac's path