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Sports · US Open 2026 · Women's Singles · Round of 128
Elisabetta Cocciarettovs
Katerina Siniakova
Sunday, August 30, 2026 · Round of 128
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My pick: Katerina Siniakova to advance · locked 2026-08-28 06:40 UTCPrediction
Siniaková, narrowly. The world's premier doubles player — a champion at every major in that discipline — remains a stubbornly effective singles pro at 30: a 195–176 hard-court career, a 2–1 head-to-head over Cocciaretto, and hands at the net that convert defense into offense mid-rally like nobody else in the section. Her singles season is 15–16; Cocciaretto's 22–15 is the better year, and the Italian's clean baseline game won their only clay meeting. But both Siniaková wins came on faster surfaces, including a hard-court rout in Mérida, and her serve variety travels better than the Italian's rhythm hitting. She also banked extra court time here in the mixed doubles with Henry Patten during Fan Week. Siniaková in three.
The case for Elisabetta Cocciaretto
44% to winCocciaretto has the better season by seven wins, the sounder baseline architecture, and the fitness edge of a full-time singles schedule — Siniaková's doubles commitments split her weeks in half. The Italian won their most physical meeting, and rhythm hitters beat improvisers when the rallies stay long.
The case for Katerina Siniakova
56% to winSiniaková leads the head-to-head 2–1 with both wins on quicker courts, and her all-court improvisation is the style rhythm players least enjoy. The greatest doubles player of her generation does not lose the touch exchanges, and she spent Fan Week sharpening on these courts in the mixed with Henry Patten.
Both cases written 2026-08-28, before the first ball — frozen into the record exactly as written, whatever the result. The percentages are mine, quoted to a decimal because false precision is funnier — and tennis has no draw to hide the rounding in.
Tale of the tape
Elisabetta CocciarettoKaterina SiniakovaPlayer vitals: US Open official player feed (usopen.org) and Tennis Abstract career match logs · as of 2026-08-27.
Career head-to-head: Tennis Abstract career match logs (tour-level) · as of 2026-08-27.
The briefing
Storylines
- Siniaková — the world's No. 1-caliber doubles player with a career Grand Slam in the discipline — played the mixed doubles here two weeks ago with Henry Patten, falling to Svitolina and Monfils, who went on to the semi-finals.
- She leads Cocciaretto 2–1, including 6-1 5-7 6-0 on Mérida's hard courts in 2023.
- Cocciaretto's 22–15 season is the better singles year — the classic specialist-versus-generalist first-rounder.
Head to head
Siniaková leads 2–1: Cocciaretto took a three-set Budapest clay match in 2022; the Czech answered twice in 2023, on Mérida hard (6-1 5-7 6-0) and Bad Homburg grass. Quicker courts, quicker answers.
Source: Tennis Abstract career match logs (tour-level) · as of 2026-08-27.
Watch: Opening-round coverage starts Sunday at 11 a.m. ET across ESPN, ESPN2 and ABC, with ESPN Deportes in Spanish — and every court streams in the ESPN app, including a whip-around channel for the early rounds. (ESPN press-room release and listings, as of 2026-08-27)
Court & schedule: Not yet assigned — the US Open posts each day's order of play the evening before, so day-one courts land the night of 29 August. This one profiles as a field-court match. (US Open order-of-play release cadence, as of 2026-08-27)
Weather: The opening window looks kind: mostly sunny and 85–86°F Sunday and Monday, with thunderstorm chances only creeping in on Tuesday. Ashe and Armstrong close their roofs if the sky turns; the field courts wait it out. (National Weather Service New York forecast, as of 2026-08-27)
Venue: USTA Billie Jean King National Tennis Center, Flushing Meadows, New York — hard.
At this Stage
Round of 128 with the sport's great specialist question attached: Siniaková owns more doubles silverware than entire nations and keeps proving the singles game never left. The winner draws Osaka or Zakharova in the Round of 64 — which converts this quiet fixture into an audition for the fortnight's showcase court. Cocciaretto's steadier singles year against the Czech's genius hands: pick your theory of tennis. Sunday through Tuesday.
