Site data updated: 2026-05-28 18:14 UTC
John Isner def. Mackenzie McDonald
2-6 6-3 7-5
Match Information
| Date | Mar 27, 2021* |
|---|---|
| Tournament | Miami Masters |
| Category | Masters 1000 |
| Surface | Hard |
| Round | R64 |
| Winner | John Isner |
| Score | 2-6 6-3 7-5 |
| Loser | Mackenzie McDonald |
| Duration | 1h 48m |
| 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 |
Pre-match Comparison
| Field | John Isner | Mackenzie McDonald |
|---|---|---|
| Country | USA | USA |
| Birth date | Apr 26, 1985 | Apr 16, 1995 |
| Age | 35 | 25 |
| Height | 208 | 178 |
| 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 |
| Career W-L | 467–293 | 113–146 |
| Career earnings | $22,433,361 | $7,200,838 |
Path
John Isner's path
No prior matches in this tournament.
John Isner's next match
| Date | Round | Opponent | Score | W/L | H2H | Match data |
|---|---|---|---|---|---|---|
| Mar 29, 2021 | R32 | Felix Auger-Aliassime | 7-6(5) 7-6(5) | W | H2H | Match data |
Mackenzie McDonald's path
| Date | Round | Opponent | Score | W/L | H2H | Match data |
|---|---|---|---|---|---|---|
| Mar 26, 2021 | R128 | Vasek Pospisil | 6-3 4-6 6-3 | W | H2H | Match data |
| Mar 25, 2021 | Q2 | Ivo Karlovic | 7-6(3) 6-4 | W | H2H | Match data |
| Mar 24, 2021 | Q1 | Roberto Cid Subervi | 6-1 6-1 | W | H2H | Match data |