Alexander Zverev defeated John Isner 6-4 7-5 in the 2018 Madrid Open quarterfinal on clay courts.
Match Statistics
| Stat | Alexander Zverev | John Isner |
| Aces | 5 | 9 |
| Double faults | 0 | 0 |
| First serve % | 69 | 86 |
| First serve points won % | 83 | 65 |
| Second serve points won % | 100 | 36 |
| Break points saved % | — | 71 |
| Break points converted % | 29 | — |
| Service points won % | 88 | 61 |
| Return points won % | 39 | 12 |
| Total points won % | 59 | 41 |
Player Comparison
| Field | Alexander Zverev | John Isner |
| Country |
GER
|
USA
|
| Birth date | Apr 20, 1997 | Apr 26, 1985 |
| Age | 21 | 33 |
| Height | 198 cm | 208 cm |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | — | Two-Handed Backhand |
| Ranking (entering) | 3 | 9 |
| Ranking points (entering) | 5,195 | 3,125 |
| Elo (entering) | 2,095 | 1,975 |
| Current career W-L | 541–218 | 470–294 |
| Current career earnings | $68,557,475 | $22,433,361 |
Path
Alexander Zverev's path
Alexander Zverev's next match