John Isner 3-6,6-7 Ryan Harrison 2018-02-27 01:00
Stadium: Cancha Central Round: 25 Ground: Hardcourt outdoor
Head to Head
| ATP Atlanta | 2017/07/30 21:00 | Ryan Harrison v John Isner | 6-7,6-7 |
Home History
| ATP Delray Beach | 2018/02/21 17:40 | Peter Gojowczyk v John Isner | 7-6,6-7,7-6 |
| ATP Delray Beach | 2018/02/20 16:00 | Radu Albot v John Isner | 7-5,3-6,4-6 |
| ATP New York | 2018/02/15 00:30 | John Isner v Radu Albot | 6-7,6-3,3-6 |
| Davis Cup | 2018/02/02 17:20 | Dusan Lajovic v John Isner | 4-6,7-6,3-6,6-3,6-7 |
| Australian Open | 2018/01/15 02:20 | Matthew Ebden v John Isner | 6-4,3-6,6-3,6-3 |
| ATP Auckland | 2018/01/10 07:25 | Hyeon Chung v John Isner | 7-6,5-7,6-2 |
| ATP Paris | 2017/11/04 13:00 | Filip Krajinovic v John Isner | 6-4,6-7,7-6 |
| ATP Paris | 2017/11/03 13:00 | Juan Martin Del Potro v John Isner | 4-6,7-6,4-6 |
Away History
| ATP Delray Beach | 2018/02/20 16:00 | Reilly Opelka v Ryan Harrison | 7-6,7-6 |
| ATP New York | 2018/02/15 20:00 | Ryan Harrison v Ivo Karlovic | 4-6,4-6 |
| ATP New York | 2018/02/13 00:30 | Ryan Harrison v Donald Young | 6-3,7-6 |
| Australian Open | 2018/01/19 09:00 | Ryan Harrison v Marin Cilic | 6-7,3-6,6-7 |
| Australian Open | 2018/01/17 04:15 | Pablo Cuevas v Ryan Harrison | 4-6,6-7,4-6 |
| Australian Open | 2018/01/15 00:00 | Dudi Sela v Ryan Harrison | 3-6,7-5,6-3,5-7,2-6 |
| ATP Brisbane | 2018/01/07 09:00 | Nick Kyrgios v Ryan Harrison | 6-4,6-2 |
| ATP Brisbane | 2018/01/06 03:20 | Alex De Minaur v Ryan Harrison | 6-4,6-7,4-6 |