John Isner defeated Mackenzie McDonald 2-6 6-3 7-5 in the 2021 Miami Open second round on hard courts.
Match Statistics
| Stat | John Isner | Mackenzie McDonald |
| Aces | 15 | 8 |
| Double faults | 1 | 3 |
| First serve % | 70 | 68 |
| First serve points won % | 77 | 79 |
| Second serve points won % | 56 | 48 |
| Break points saved % | 33 | 60 |
| Break points converted % | 40 | 67 |
| Service points won % | 71 | 69 |
| Return points won % | 31 | 29 |
| Total points won % | 51 | 49 |
Player Comparison
| Field | John Isner | Mackenzie McDonald |
| Country |
USA
|
USA
|
| Birth date | Apr 26, 1985 | Apr 16, 1995 |
| Age | 35 | 25 |
| Height | 208 cm | 178 cm |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | Two-Handed Backhand | — |
| Ranking (entering) | 28 | 120 |
| Ranking points (entering) | 1,850 | 633 |
| Elo (entering) | 1,835 | 1,808 |
| Current career W-L | 470–294 | 113–148 |
| Current career earnings | $22,433,361 | $7,326,110 |
Path
John Isner's path
No prior matches in this tournament.
John Isner's next match
Mackenzie McDonald's path