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Sports · US Open 2026 · Women's Singles · Round of 128
Karolina Muchova vs Sinja Kraus — 6-3 6-0
 Karolina Muchova✓ | 6 | 6 |
 Sinja Kraus | 3 | 0 |
Final · Monday, August 31, 2026 · Round of 128
Result
Muchova had not played a singles match since the Wimbledon final she lost to Linda Noskova on 11 July, fifty-one days earlier — though she had been on these courts in the meantime, winning the mixed doubles with Jakub Mensik. The layoff did not show. She broke in the fourth game, lost four points across her first four service games, and closed the set 6-3 in 35 minutes after Kraus saved two set points at 5-2; in the second she went after the Austrian's serve with deep returns and Kraus won two points in the first three games. The seventh seed never faced a break point and took 54 of the 80 points in 58 minutes. Kraus, ranked 86th and a Vienna native, is still looking for a first Grand Slam main-draw win in three attempts.
Karolina MuchovaRows the source hadn’t published are left off rather than guessed.
At this Stage
Round of 128, and the grounds' reigning co-champion returns to the singles business: Muchová's mixed doubles title with Menšík wrapped Wednesday on Ashe, and her real campaign — a top-five-caliber season stuck behind a seventh seeding — starts here. The section rewards early efficiency: her projected path stays gentle until the second week, where the draw's Czech theme (Nosková, the Wimbledon final rematch possibility) hangs over everything. Kraus gets the honor and the problem of the first look. Sunday through Tuesday.
What we know now
Court: Grandstand
Match length: 0:58
Watch: ESPN · ESPN2 · ABC · ESPN app
What I said beforehand
The preview, frozen before the first serve. Clearly dated, never rewritten — that's the deal that makes the pick worth anything.
Muchová. Few players arrive at any major carrying more current New York equity: the seventh seed was a semi-finalist here in 2024, a Wimbledon finalist last month, and on Wednesday night she stood on Arthur Ashe lifting the mixed doubles trophy with Jakub Menšík. Her 35–9 season is the record of a player whose all-court elegance finally has a healthy body underneath it. Kraus, the Austrian No. 86, is a solid professional playing her first US Open, with a 15–23 hard-court career that suggests the surface tolerates rather than embraces her. Muchová's variety — the sport's best mid-rally improvisation — against a debutant on the wrong surface is as one-sided as tennis aesthetics get. Straight sets, with highlights.
The case for Karolina Muchova
85% to winMuchová is the section's class by a wide margin: a 2024 semi-final here, a Wimbledon final in July, a 35–9 season, and game-style superiority in every category — serve variety, transition, touch, tactics. She has also spent two extra weeks winning matches on these exact courts. The gap is not a matchup question; it is a class question.
The case for Sinja Kraus
15% to winKraus has a winning season (17–14) and the freedom of a debutant nobody expects anything from; Muchová's transcendent weeks have occasionally been followed by flat ones, and a mixed doubles campaign that ended Wednesday leaves less recovery margin than a normal seed's. Make her play a third set and the fatigue question becomes real.
Both cases written 2026-08-28, before the first ball — frozen into the record exactly as written, whatever the result. The percentages are mine — opinions with a percent sign on. They add to 100 because tennis has no draw to hide the rounding in.
My locked pick: Karolina Muchova to advance ✓ RIGHT
“A 35–9 season, a Wimbledon final, a semi here in 2024 — and she already won one trophy on these courts this week.”
Locked 2026-08-28 05:50 UTC — rendered verbatim from the pick ledger; never a fresher, hedged version
Tale of the tape
Karolina MuchovaSinja KrausPlayer vitals: US Open official player feed (usopen.org) and Tennis Abstract career match logs · as of 2026-08-28.
Career head-to-head: Tennis Abstract career match logs (tour-level) · as of 2026-08-27.
Storylines
- Muchová won the mixed doubles title here on Wednesday night with Jakub Menšík — she opens her singles four days later as the seventh seed.
- Her July was an all-Czech Wimbledon final (lost to Nosková); her 2024 US Open was a semi-final — the deepest current New York résumé among the women's seeds outside the top five.
- Kraus, ranked No. 86, is playing her first US Open main draw — her first look at a top-ten opponent at a major.
Head to head
Never met — Muchová's injury-punctuated prime and Kraus's steady climb had no reason to intersect until this draw.
Source: Tennis Abstract career match logs (tour-level) · as of 2026-08-27.
Court & schedule: Grandstand, Monday 31 August. The US Open posts each day's order of play the evening before; this one is on the board. (Official US Open order of play, as of 2026-08-30)
Weather: Sunday — the men's final, and the last match of the fortnight — was forecast at 78°F with showers and thunderstorms 95% likely, the wettest day of the two weeks and the one day that could not be pushed back. The rain came in the morning and stopped before the final, which Ashe played with its roof open. It cleared from there: 15% overnight, 15% Monday, then dry and sunny. (National Weather Service New York forecast, as of 2026-09-13)
Venue: USTA Billie Jean King National Tennis Center, Flushing Meadows, New York — hard.