[25] Roberto Bautista-Agut 6-7,6-7 John Isner [9] 2019-01-01 20:20
Stadium: Stadium Round: 27 Ground: Hardcourt outdoor
Home History
| ATP Doha | 2018/12/31 12:30 | Matteo Berrettini v Roberto Bautista-Agut | 1-6,4-6 |
| ATP Paris | 2018/10/31 12:35 | Roberto Bautista-Agut v Grigor Dimitrov | 6-7,4-6 |
| ATP Paris | 2018/10/29 11:40 | Roberto Bautista-Agut v Steve Johnson | 6-4,7-6 |
| ATP Basel | 2018/10/26 15:10 | Roberto Bautista-Agut v Alexander Zverev | 5-7,3-6 |
| ATP Basel | 2018/10/25 13:00 | Roberto Bautista-Agut v Dusan Lajovic | 6-7,6-3,6-3 |
| ATP Basel | 2018/10/24 11:00 | Roberto Bautista-Agut v Joao Sousa | 6-4,6-3 |
| ATP Shanghai | 2018/10/11 10:00 | Roger Federer v Roberto Bautista-Agut | 6-3,2-6,6-4 |
| ATP Shanghai | 2018/10/10 09:40 | Roberto Bautista-Agut v Mackenzie McDonald | 3-6,6-4,6-1 |
Away History
| ATP World Tour Finals | 2018/11/16 14:00 | Alexander Zverev v John Isner | 7-6,6-3 |
| ATP World Tour Finals | 2018/11/14 20:00 | Marin Cilic v John Isner | 6-7,6-3,6-4 |
| ATP World Tour Finals | 2018/11/12 20:00 | Novak Djokovic v John Isner | 6-4,6-3 |
| ATP Paris | 2018/11/01 12:00 | Karen Khachanov v John Isner | 6-4,6-7,7-6 |
| ATP Paris | 2018/10/31 10:00 | Mikhail Kukushkin v John Isner | 3-6,7-6,6-7 |
| ATP Vienna | 2018/10/25 17:00 | Gael Monfils v John Isner | 6-4,6-4 |
| ATP Vienna | 2018/10/23 13:30 | Cameron Norrie v John Isner | 7-6,4-6,6-7 |
| ATP Stockholm | 2018/10/20 13:00 | John Isner v Ernests Gulbis | 6-1,3-6,3-6 |