[132] Christopher O'Connell 7-6,6-4 Jannik Sinner [23] 2021-07-29 17:30
Stadium: Stadium Court Round: 26 Ground: Hardcourt outdoor
Home History
| ATP Atlanta | 2021/07/27 15:00 | Christopher O'Connell v Denis Kudla | 4-6,6-3,6-3 |
| ATP Atlanta | 2021/07/24 14:00 | Christopher O'Connell v Yosuke Watanuki | 7-5,6-4 |
| ATP Hamburg | 2021/07/11 13:00 | Christopher O'Connell v Alex Molcan | 3-6,7-5,3-6 |
| ATP Hamburg | 2021/07/10 12:00 | Christopher O'Connell v Ernests Gulbis | 6-3,6-0 |
| Wimbledon | 2021/06/30 12:00 | Christopher O'Connell v Gael Monfils | 6-4,2-6,6-7,6-4,4-6 |
| Wimbledon | 2021/06/24 12:00 | Christopher O'Connell v Tomas Machac | 7-6,6-4,7-6 |
| Wimbledon | 2021/06/23 13:25 | Christopher O'Connell v Ruben Bemelmans | 6-7,6-3,7-5 |
| Wimbledon | 2021/06/22 10:00 | Christopher O'Connell v Filip Horansky | 3-6,6-1,9-7 |
Away History
| Wimbledon | 2021/06/28 14:30 | Marton Fucsovics v Jannik Sinner | 5-7,6-3,7-5,6-3 |
| ATP Queens | 2021/06/14 11:00 | Jack Draper v Jannik Sinner | 7-6,7-6 |
| French Open | 2021/06/07 15:25 | Rafael Nadal v Jannik Sinner | 7-5,6-3,6-0 |
| French Open | 2021/06/05 11:30 | Jannik Sinner v Mikael Ymer | 6-1,7-5,6-3 |
| French Open | 2021/06/03 11:15 | Jannik Sinner v Gianluca Mager | 6-1,7-5,3-6,6-3 |
| French Open | 2021/05/31 09:00 | Jannik Sinner v Pierre-Hugues Herbert | 6-1,4-6,6-7,7-5,6-4 |
| ATP Lyon | 2021/05/20 15:55 | Arthur Rinderknech v Jannik Sinner | 6-7,6-2,7-5 |
| ATP Lyon | 2021/05/19 12:00 | Aslan Karatsev v Jannik Sinner | 6-0,3-6,4-6 |