Christopher Oconnell defeated Daniel Altmaier 6-3 6-1 in the Belgrade round of 16 on hard. Christopher Oconnell extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-08-14 | Cincinnati Masters | Q1 | hard | Daniel Altmaier | 3-6 7-6(5) 6-4 |
| 2023-06-12 | Stuttgart | R32 | grass | Christopher Oconnell | 6-3 6-1 |
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
Averages over each player's completed matches in the selected window (127 vs 153). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Altmaier D.: 12 days rest · 1 match (14d). Higher means fresher. About