John Isner defeated Hyeon Chung 6-1 6-4 in the 2018 Miami Open quarterfinal on hard courts.
Match Statistics
| Stat | John Isner | Hyeon Chung |
| Aces | 13 | 3 |
| Double faults | 0 | 4 |
| First serve % | 71 | 63 |
| First serve points won % | 97 | 66 |
| Second serve points won % | 46 | 41 |
| Break points saved % | 100 | 57 |
| Break points converted % | 43 | 0 |
| Service points won % | 82 | 57 |
| Return points won % | 43 | 18 |
| Total points won % | 60 | 40 |
Player Comparison
| Field | John Isner | Hyeon Chung |
| Country |
USA
|
KOR
|
| Birth date | Apr 26, 1985 | May 19, 1996 |
| Age | 32 | 21 |
| Height | 208 cm | 188 cm |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | Two-Handed Backhand | Two-Handed Backhand |
| Ranking (entering) | 17 | 23 |
| Ranking points (entering) | 2,170 | 1,727 |
| Elo (entering) | 1,903 | 2,023 |
| Current career W-L | 470–294 | 71–67 |
| Current career earnings | $22,433,361 | $3,791,035 |
Path
John Isner's path
John Isner's next match