[25] John Isner 4-6,7-6,6-4 Cameron Norrie [31] 2021-08-17 17:55
Stadium: Grandstand Round: 24 Ground: Hardcourt outdoor
Head to Head
| ATP Vienna | 2018/10/23 13:30 | Cameron Norrie v John Isner | 7-6,4-6,6-7 |
| ATP Lyon | 2018/05/24 09:00 | Cameron Norrie v John Isner | 7-6,6-4 |
Home History
| ATP Toronto | 2021/08/15 00:00 | Daniil Medvedev v John Isner | 6-2,6-2 |
| ATP Toronto | 2021/08/14 01:35 | John Isner v Gael Monfils | 7-6,6-4 |
| ATP Toronto | 2021/08/12 16:35 | Andrey Rublev v John Isner | 5-7,6-7 |
| ATP Toronto | 2021/08/11 15:00 | John Isner v Cristian Garin | 4-6,6-3,6-4 |
| ATP Toronto | 2021/08/10 17:25 | John Isner v Alejandro Davidovich Fokina | 6-4,6-1 |
| ATP Atlanta | 2021/08/01 21:00 | Brandon Nakashima v John Isner | 6-7,5-7 |
| ATP Atlanta | 2021/07/31 23:00 | Taylor Fritz v John Isner | 6-7,7-5,3-6 |
| ATP Atlanta | 2021/07/31 00:00 | John Isner v Christopher O'Connell | 7-6,6-7,6-4 |
Away History
| ATP Toronto | 2021/08/10 15:00 | Cameron Norrie v Karen Khachanov | 4-6,7-5,4-6 |
| ATP Washington | 2021/08/05 20:35 | Kei Nishikori v Cameron Norrie | 3-6,6-3,6-3 |
| ATP Washington | 2021/08/03 21:10 | Marcos Giron v Cameron Norrie | 4-6,3-6 |
| ATP Atlanta | 2021/07/30 21:25 | Cameron Norrie v Emil Ruusuvuori | 6-7,3-6 |
| ATP Atlanta | 2021/07/30 01:00 | Cameron Norrie v Nick Kyrgios | 6-1,6-4 |
| ATP Los Cabos | 2021/07/25 02:00 | Cameron Norrie v Brandon Nakashima | 6-2,6-2 |
| ATP Los Cabos | 2021/07/24 01:30 | Cameron Norrie v Taylor Fritz | 6-3,6-1 |
| ATP Los Cabos | 2021/07/22 23:00 | Cameron Norrie v Ernesto Escobedo | 6-1,6-1 |