
Mona Barthel defeated Whitney Osuigwe in the qualifying first round of the US Open. The match ended with a score of 3-6, 5-7 in favor of Barthel. Barthel hit 6 aces and won 70% of her first-serve points, converting 44% of break points, compared to Osuigwe's 0 aces, 47% first-serve win percentage, and 36% break points converted.
No previous meetings on record.
Averages over each player's completed matches in the selected window (41 vs 42). 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.
Osuigwe W.: 4 days rest · 1 match, 21 games (7d) · Barthel M.: 2 days rest · 2 matches, 49 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