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It was a mixed day of results for the highest seeds in Wuhan, as one player saw her bid to become the WTA's world No. 1 end for the time being. These are the Top 5 photos that sum up Wednesday's action.

1. Two-time Wuhan champion Petra Kvitova continued her run at the Premier 5 event, rolling past Sloane Stephens, 6-3, 6-3. The fifth-seeded Kvitova, who is looking to capture her third title of the year, will face off against Dayana Yastremska for the first time in Thursday's quarterfinals.

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

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2. Bethanie Mattek-Sands and Caroline Garcia claimed their second-round match against No. 5 seeds Shuai Zhang and Samantha Stosur, 6-4, 7-6 (2), in Wuhan. The first-time pairing is through to the quarterfinals, where they will attempt to upset another Grand Slam winning team, No. 2 seeds Aryna Sabalenka and Elise Mertens.

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

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3. Gael Monfils is back on the court after his heartbreaking five-set loss to Matteo Berrettini in the US Open quarterfinals. The Frenchman overcame a tight first set to win, 5-7, 6-3, 6-4, against Cameron Norrie in Zhuhai. The No. 3 seed will meet Albert Ramos-Vinolas for a spot in the semifinals. Monfils recently defeated the Spaniard at Flushing Meadows and leads their head-to-head series, 4-1.

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

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4. Alison Riske is continuing to play the same level of tennis that saw her win her second career WTA singles title and reach the quarterfinals of Wimbledon earlier this season. Riske eased past No. 8 seed Wang Qiang, 6-2, 6-1, to set up a quarterfinal clash with Elina Svitolina. The American has never defeated the 2018 WTA Finals champion, but they haven't faced each other since 2015.

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

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5. Dayana Yastremska was fired up and focused in her 6-1, 6-4 third-round victory against Karolina Pliskova. As a result, the 19-year-old scored her first win over a Top 10 player by defeating the world No. 2. The Ukrainian also dashed Pliskova's hopes of returning to world No. 1 for the first time in more than two years.

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

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Getty Images

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

Top 5 Photos, September 25: Kvitova rolls; Yastremska's milestone win

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