Christopher Oconnell defeated Yosuke Watanuki 6-7 7-6 6-3 in the Doha qualifying round 1 on hard. The result followed the form book — Christopher Oconnell came in ranked #155, leading the head-to-head 2–1. Christopher Oconnell extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-02-17 | Doha | Q1 | hard | Christopher Oconnell | 6-7(3) 7-6(4) 6-3 |
| 2023-03-20 | Miami Masters | Q2 | hard | Yosuke Watanuki | 6-4 6-4 |
| 2021-07-26 | Atlanta | Q1 | hard | Christopher Oconnell | 7-5 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.