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Karolina Muchova defeated Katie Boulter 6-1, 6-0 — US Open 2026 R64.
Katie Boulter and Karolina Muchova: Karolina Muchova leads 2–0 across 2 recorded meetings.
Fifty-six minutes was the whole transaction. Muchova broke six times from seven chances and Boulter held none of her six service games, seven double faults included, with the breaks landing in games 1, 3, 5 and 7 of the opener. The Wimbledon finalist is through at the US Open without conceding a set this week, and 18-4 on hard courts this season.