[9] John Isner 5-7,6-3,6-4 Ryan Harrison [53] 2018-07-29 21:00
Estadio: Stadium Court Round: 29 Ground: Hardcourt outdoor
Head to Head
| ATP Madrid | 2018/05/09 14:25 | John Isner v Ryan Harrison | 7-6,7-6 |
| ATP Acapulco | 2018/02/27 01:00 | John Isner v Ryan Harrison | 3-6,6-7 |
| ATP Atlanta | 2017/07/30 21:00 | Ryan Harrison v John Isner | 6-7,6-7 |
Home History
| ATP Atlanta | 2018/07/28 19:00 | John Isner v Matthew Ebden | 6-4,6-7,6-1 |
| ATP Atlanta | 2018/07/27 18:00 | John Isner v Mischa Zverev | 7-5,4-6,6-1 |
| ATP Atlanta | 2018/07/25 23:00 | John Isner v Alex De Minaur | 6-3,6-2 |
| Wimbledon | 2018/07/13 12:00 | Kevin Anderson v John Isner | 7-6,6-7,6-7,6-4,26-24 |
| Wimbledon | 2018/07/11 16:35 | Milos Raonic v John Isner | 7-6,6-7,4-6,3-6 |
| Wimbledon | 2018/07/09 13:40 | John Isner v Stefanos Tsitsipas | 6-4,7-6,7-6 |
| Wimbledon | 2018/07/06 16:15 | John Isner v Radu Albot | 6-3,6-3,6-4 |
| Wimbledon | 2018/07/05 12:45 | John Isner v Ruben Bemelmans | 6-1,6-4,6-7,6-7,7-5 |
Away History
| ATP Atlanta | 2018/07/28 23:00 | Ryan Harrison v Cameron Norrie | 2-6,6-3,6-2 |
| ATP Atlanta | 2018/07/27 20:00 | Ryan Harrison v Hyeon Chung | 6-7,6-2,7-6 |
| ATP Atlanta | 2018/07/25 17:00 | Ryan Harrison v Lukas Lacko | 2-6,6-2,6-3 |
| ATP Atlanta | 2018/07/24 16:30 | Ryan Harrison v James Duckworth | 4-6,7-6,6-1 |
| Wimbledon | 2018/07/04 12:25 | Adrian Mannarino v Ryan Harrison | 7-5,7-5,7-6 |
| Wimbledon | 2018/07/02 16:00 | Ryan Harrison v Roberto Carballes Baena | 6-1,6-4,6-2 |
| ATP Eastbourne | 2018/06/25 12:40 | Jay Clarke v Ryan Harrison | 6-4,6-1 |
| ATP Queens | 2018/06/19 17:45 | Ryan Harrison v Kyle Edmund | 6-7,4-6 |