Tatiana Prozorova defeated Sofia Costoulas in the Round of 32 of the Singapore tournament on hard courts. The match ended with a score of 5-7, 7-6, 6-2 in favor of Prozorova. Key stats included equal aces (5) and similar break point conversion percentages (40% to 43%) and service breaks (4 to 3) for Prozorova and Costoulas respectively, with Prozorova committing fewer double faults (3 to 5).
Generated automatically from Umpiry match data.
hold to 0/15to 30to 40 / deucebroken
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-12-06 | W100 Dubai 1 | QF | hard | Sofia Costoulas | 4-6 7-5 6-2 |
Averages over each player's completed matches in the selected window (40 vs 44). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Toss-up · Too close to call
Calibrated model · 65% 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.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About