Christopher O'Connell leads 4 to 2 over 6 singles meetings since 2021. Last meeting on 15/02/2025 at Qatar ExxonMobil Open - Doha.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 15/02/2025 | Qatar ExxonMobil Open - Doha | Qualifying 1 | hard | O'Connell | 6-7(3) 7-6(4) 6-3 |
| 10/09/2023 | Shanghai Challenger | Final | hard | O'Connell | 6-3 7-5 |
| 21/03/2023 | Miami Open - Miami | Qualifiers | hard | Watanuki | 4-6 4-6 |
| 19/11/2022 | Kobe Challenger | Semi-final | indoor hard | Watanuki | 4-6 6-7(6) |
| 06/11/2022 | Yokohama Challenger | Final | hard | O'Connell | 6-1 6-7(5) 6-3 |
| 24/07/2021 | Truist Atlanta Open - Atlanta | Qualifying 1 | hard | O'Connell | 7-5 6-4 |
| hard | O'Connell 4 - 1 Watanuki |
| indoor hard | O'Connell 0 - 1 Watanuki |
| 2025 | O'Connell 1 - 0 Watanuki |
| 2023 | O'Connell 1 - 1 Watanuki |
| 2022 | O'Connell 1 - 1 Watanuki |
| 2021 | O'Connell 1 - 0 Watanuki |
180 wins, 145 losses since 2021 (55.4%).
Last matches: D V V D V
150 wins, 110 losses since 2021 (57.7%).
Last matches: D V D D V
Christopher O'Connell leads 4 to 2 over 6 singles meetings since 2021.
On 15/02/2025, at Qatar ExxonMobil Open - Doha (Qualifying 1): Christopher O'Connell won 6-7(3) 7-6(4) 6-3.