[18] Felix Auger Aliassime 6-7,6-7 John Isner [28] 2021-03-28 15:00
Stadium: Grandstand Round: 25 Ground: Hardcourt outdoor
Head to Head
| ATP - Miami | 2019/03/29 17:00 | John Isner v Felix Auger Aliassime | 7-6,7-6 |
Home History
| ATP - Miami | 2021/03/26 18:40 | Felix Auger Aliassime v Pierre-Hugues Herbert | 6-4,6-4 |
| ATP - Acapulco | 2021/03/19 02:10 | Stefanos Tsitsipas v Felix Auger Aliassime | 7-5,4-6,6-3 |
| ATP - Acapulco | 2021/03/18 00:00 | Sebastian Korda v Felix Auger Aliassime | 3-6,4-6 |
| ATP - Acapulco | 2021/03/16 00:00 | Tennys Sandgren v Felix Auger Aliassime | 3-6,6-7 |
| ATP - Rotterdam | 2021/03/01 13:30 | Kei Nishikori v Felix Auger Aliassime | 7-6,6-1 |
| Australian Open | 2021/02/14 01:30 | Felix Auger Aliassime v Aslan Karatsev | 6-3,6-1,3-6,3-6,4-6 |
| Australian Open | 2021/02/12 08:00 | Denis Shapovalov v Felix Auger Aliassime | 5-7,5-7,3-6 |
| Australian Open | 2021/02/10 01:30 | James Duckworth v Felix Auger Aliassime | 4-6,1-6,2-6 |
Away History
| ATP - Miami | 2021/03/27 01:05 | Mackenzie McDonald v John Isner | 6-2,3-6,5-7 |
| ATP - Acapulco | 2021/03/18 04:00 | Stefanos Tsitsipas v John Isner | 6-3,6-2 |
| ATP - Acapulco | 2021/03/16 01:20 | John Isner v Salvatore Caruso | 6-4,6-3 |
| ATP - Delray Beach | 2021/01/11 23:00 | Sebastian Korda v John Isner | 6-3,4-6,6-3 |
| ATP - Delray Beach | 2021/01/10 01:35 | Thiago Monteiro v John Isner | 4-6,6-7 |
| French Open | 2020/09/30 09:30 | Sebastian Korda v John Isner | 6-4,6-4,2-6,6-4 |
| French Open | 2020/09/27 11:30 | Elliot Benchetrit v John Isner | 4-6,1-6,3-6 |
| US Open | 2020/08/31 22:30 | Steve Johnson v John Isner | 6-7,6-3,6-7,6-3,7-6 |