[69] Christopher O'Connell 6-3,7-5 Yosuke Watanuki [85] 2023-06-06 07:00
Stadium: Centre Court Round: 29 Ground: Hardcourt outdoor
Head to Head
| ATP Miami | 2023/03/21 17:00 | Christopher O'Connell v Yosuke Watanuki | 4-6,4-6 |
| Challenger Kobe | 2022/11/19 03:35 | Christopher O'Connell v Yosuke Watanuki | 4-6,6-7 |
| Challenger Yokohama | 2022/11/06 02:00 | Christopher O'Connell v Yosuke Watanuki | 6-1,6-7,6-3 |
| ATP Atlanta | 2021/07/24 14:00 | Christopher O'Connell v Yosuke Watanuki | 7-5,6-4 |
Home History
| Challenger Surbiton | 2023/06/05 14:50 | Christopher O'Connell v Denis Kudla | 3-6,7-5,2-6 |
| French Open | 2023/05/29 11:30 | Christopher O'Connell v Taro Daniel | 0-6,2-6,4-6 |
| ATP Geneva | 2023/05/25 12:10 | Christopher O'Connell v Grigor Dimitrov | 7-6,5-7,4-6 |
| ATP Geneva | 2023/05/23 09:30 | Nino Serdarusic v Christopher O'Connell | 6-7,7-6,1-6 |
| ATP Rome | 2023/05/10 15:55 | Alexei Popyrin v Christopher O'Connell | 6-2,7-6 |
| ATP Madrid | 2023/04/29 14:20 | Taylor Fritz v Christopher O'Connell | 7-6,6-4 |
| ATP Madrid | 2023/04/27 14:45 | Christopher O'Connell v Filip Krajinovic | 6-4,6-7,6-2 |
| ATP Munich | 2023/04/22 11:30 | Holger Rune v Christopher O'Connell | 6-3,6-2 |
Away History
| French Open | 2023/05/24 12:40 | Yosuke Watanuki v Laurent Lokoli | 6-4,4-6,3-6 |
| Challenger Turin | 2023/05/16 09:00 | Yosuke Watanuki v Salvatore Caruso | 6-2,3-6,4-6 |
| Challenger Cagliari | 2023/05/04 11:20 | Borna Gojo v Yosuke Watanuki | 6-4,7-5 |
| ATP Madrid | 2023/04/29 16:20 | Yosuke Watanuki v Cameron Norrie | 4-6,6-7 |
| ATP Madrid | 2023/04/27 10:45 | Corentin Moutet v Yosuke Watanuki | 3-6,3-6 |
| ATP Madrid | 2023/04/25 13:10 | Pavel Kotov v Yosuke Watanuki | 7-6,3-6,6-7 |
| ATP Madrid | 2023/04/24 16:30 | Federico Delbonis v Yosuke Watanuki | 4-6,6-7 |
| ATP Houston | 2023/04/04 17:00 | Yannick Hanfmann v Yosuke Watanuki | 6-4,3-6,6-2 |