US Open 2025 pages
Sports · US Open 2025 · Women's Singles · Round of 16
Karolína Muchová vs Marta Kostyuk — 6-3 6-7(0) 6-3
 Karolína Muchová✓ | 6 | 60 | 6 |
 Marta Kostyuk | 3 | 7 | 3 |
Final · Sunday, August 31, 2025 · Round of 16
Result
Karolína MuchováMarta Kostyuk
1Aces6
2Double faults7
59%1st serve in52%
68%1st-serve points won81%
52%2nd-serve points won51%
109 mphFastest serve109 mph
3/6Break points won1/10
20Winners44
30Unforced errors42
18/27Net points won20/30
105Total points won103
2186.3 mDistance run2312.4 m
Stats: Official usopen.org match statistics (IBM), from the archived 2025 completed-match feeds · as of 2026-07-18
Rows the source hadn’t published are left off rather than guessed.
At this Stage
Where both players stand in the draw — the match each came through, and what winning this one is worth.
Round of 32
Round of 16
What we know now
Court: Grandstand
Match length: 2:53