
Stefanos Sakellaridis defeated Zizou Bergs in the quarterfinals of the Quebec City tournament, winning 7-6, 4-6, 6-4. Sakellaridis hit 9 aces and 10 double faults, while converting 50% of break points and winning 78% of first-serve points. Both players earned 2 service breaks and converted 40% and 50% of break points respectively.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-01-02 | United Cup | RR | hard | Stefanos Sakellaridis | 5-7 6-1 6-3 |
Averages over each player's completed matches in the selected window (34 vs 38). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Slight edge · Bergs Z. narrowly ahead
Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
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.
Bergs Z.: 8 days rest · 3 matches (14d) · Sakellaridis S.: 4 days rest · 3 matches, 58 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