Indian Wells, Oct 10 (AP) Top seeds Daniil Medvedev and Karolina Pliskova rolled to straight-set victories at the BNP Paribas Open, when several lower-seeded players were knocked out.

Medvedev beat American Mackenzie McDonald 6-4, 6-2, extending his winning streak to eight matches dating to his U.S. Open championship last month. Medvedev never faced a break point against McDonald, who was was broken three times.

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"I'm actually really pleased because usually I haven't played well in Indian Wells and I haven't been playing that well in practices,” Medvedev said.

"I'm really happy with my performance. That's the most important thing no matter how I played before the tournament.”

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Pliskova advanced to the third round with a 7-5, 6-2 win over Magdalena Frech at the combined ATP and WTA event. Pliskova fired six aces, giving her a Tour-leading 387 this year, and converted five of her six break points.

Bianca Andreescu, the 2019 champion, played a late match.

Fifth-seeded Garbine Muguruza was the highest-seeded woman to lose.

Muguruza, who won last week's event in Chicago, lost to Ajla Tomljanovic 3-6, 6-1, 6-3. It was Tomljanovic's first win in seven tries over a Top-10 player this year. She was a quarterfinalist at Wimbledon in July.

Anna Kalinskaya outlasted No. 28 Sara Sorribes Tormo 6-3, 4-6, 6-2 and American Amanda Anisimova defeated No. 30 Camila Giorgi 6-4, 6-1.

No. 12 seed Ons Jabeur, who lost to Muguruza in the Chicago final, advanced with a 6-2, 6-7 (5), 6-3 win over Anastasija Sevastova for her Tour-leading 45th match victory of the year.

Coco Gauff, seeded 15th, outlasted Caroline Garcia 6-3, 6-7 (2), 6-1, offsetting 12 aces with seven double faults.

No. 18 Anett Kontaveit retired trailing 6-3, 5-2 against Martina Trevisan. No. 22 Danielle Collins advanced when Lauren Davis retired trailing 6-1.

On the men's side, No. 8 Hubert Hurkacz, No. 11 Diego Schwartzman, No. 16 Reilly Opelka and No. 18 Daniel Evans won.

No. 9 Denis Shapovalov was leading 3-0 when Vasek Pospisil retired. Tommy Paul defeated No. 28 Duasn Lajovic 6-3, 6-3 and Frances Tiafoe beat No. 32 Sebastian Korda 6-0, 6-4. (AP)

(The above story is verified and authored by Press Trust of India (PTI) staff. PTI, India’s premier news agency, employs more than 400 journalists and 500 stringers to cover almost every district and small town in India.. The views appearing in the above post do not reflect the opinions of LatestLY)