C. O'Connell defeated Arthur Rinderknech 6-4 6-4 in the Adelaide round of 32 on hard. The upset overturned the form book — Arthur Rinderknech came in ranked #28, leading the head-to-head 2–1, but C. O'Connell had been the form player, winning 3 of their last 4 on hard. C. O'Connell narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-01-06 | Adelaide | R32 | hard | C. O'Connell | 7-5 7-6(5) |
| 2024-08-20 | Winston-Salem | R32 | hard | Arthur Rinderknech | 6-3 6-4 |
| 2021-06-13 | Halle | Q16 | grass | Arthur Rinderknech | 3-6 6-4 6-2 |
Averages over each player's completed matches in the selected window (73 vs 157). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
O'Connell C.: 3 days rest · 2 matches, 34 games (7d) · Rinderknech A.: 7 days rest · 1 match, 36 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About