Coco Gauff of the United States returns the ball to Ann Li of the United States during their WTA tournament round of sixteen tennis match in Berlin, Germany, June 15, 2022. (MICHAEL SOHN / AP)

Seventh-seeded Coco Gauff defeated Wang Xinyu 6-0, 6-4 on Thursday and advanced to the quarterfinals of the bett1open in Berlin.

Coco Gauff won 82.1 percent of her first serves in the win. She will play No 4 Karolina Pliskova of the Czech Republic in the quarters

Gauff won 82.1 percent of her first serves in the win. She will play No 4 Karolina Pliskova of the Czech Republic in the quarters.

Top seed Ons Jabeur of Tunisia defeated Alycia Parks 6-2, 7-6 (8) to advance. Switzerland's Belinda Bencic, the eighth seed, beat Russia's Anna Kalinskaya 6-4, 1-6, 6-1 in one hour, 55 minutes.

Unseeded Veronika Kudermetova of Russia also advanced to the quarters by topping countrywoman Liudmila Samsonova 6-3, 6-7 (5), 6-1. Kudermetova draws Bencic in the quarters.

Rothesay Classic

Top-seeded Jelena Ostapenko of Latvia suffered a defeat in the Round of 16, losing to Ukraine's Dayana Yastremska 3-6, 7-5, 7-5 in two hours, 15 minutes in Birmingham, Great Britain.

Yastremska advances to the quarterfinals, where she'll play China's Zhang Shuai, a 6-2, 2-6, 7-5 winner over Romania's Elena-Gabriela Ruse.

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No 3 seed Camila Giorgi of Italy advanced with a 3-6, 7-5, 6-2 win over Lauren Davis in two hours, 24 minutes.

The match between Beatriz Haddad Maia and Magdalena Frech was suspended with Frech leading in the third set, 1-6, 7-5, 4-2.