Arantxa Rus vs Teodora Kostovic — US Open Qualifying Round of 128
NEDWC
Rus A.
Arantxa Rus defeated Teodora Kostovic in the first round of US Open qualifying, 4-6, 6-4, 6-4. Rus hit one ace and six double faults, while Kostovic had five aces and two double faults. Rus won 74 percent of her first-serve points and converted 33 percent of her break points, ultimately taking the match with three service breaks to Kostovic's two.
Key context
- Match story: Arantxa Rus dropped the opening set before beating Teodora Kostovic 4–6 6–4 6–4.
Head to head
No previous meetings on record.
Statistics
This seasonAverages over each player's completed matches in the selected window (29 vs 48). ATP, WTA & Challenger.
Win Probability
Pre-match · updated 16:50 UTC50–58%
58–67%
67–80%
80%+
Clear favourite · Kostovic T. clearly ahead, but no certainty
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Freshness
Recent loadRus A.: 3 days rest · 2 matches, 49 games (7d) · Kostovic T.: 4 days rest · 1 match, 30 games (7d). Higher means fresher. About