Grigor Dimitrov defeated C. O'Connell 7-6 6-3 6-3 in the Australian Open round of 128 on hard. The upset overturned the form book — C. O'Connell came in ranked #126. Grigor Dimitrov extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-02-25 | Dubai | R32 | hard | C. O'Connell | 6-0 |
| 2023-09-24 | Chengdu | QF | hard | Grigor Dimitrov | 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.
Dimitrov G.: 13 days rest · 2 matches (14d) · O'Connell C.: 3 days rest · 1 match, 27 games (7d). Higher means fresher. About