Naomi Osaka onto third round in Miami after defeat of Angelique Kerber

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Naomi Osaka continues to roll at the Miami Open, easily taking down No. 13 seed Angelique Kerber in a 6-2, 6-3 victory.

The one-hour victory is a big one for Osaka, who was 1-4 in career head-to-head matches against Kerber and had lost the past four against the former world No. 1. Kerber is one of two women to defeat the four-time Grand Slam champion four times, alongside Simona Halep.

“She’s like the first high-seeded player I’ve beaten this year,” Osaka said in her on-court interview. “I feel like I came into the match wanting to dictate. My power on the shots was working really well.”

Next up, Osaka will face off against Karolina Muchova, who upset No. 18 Leylah Fernandez 6-4, 7-6 (7-3). The previous two matches between Muchova and Osaka are split down the middle, with Osaka calling her “one of the most athletic players on tour.”

“It’s going to be a really fun match I think,” she added. “I know we both really want to win it.”

Elsewhere, the Miami Open was ripe with upsets as Aryna Sabalenka, Emma Raducanu, Anett Kontaveit, Elina Svitolina and Karolina Pliskova all lost their Round of 64 matches.

The No. 1 seed in the tournament, Sabalenka was stunned by Romanian Irina-Camelia Begu, losing 4-6, 4-6. The match gave Begu her first Top 10 win since 2018.

Sabalenka struggled, making 34 unforced errors to her opponent’s seven, and couldn’t find range from the baseline. She also was unable to break Begu’s serve, going 0 for 6 on break points during the match.

Raducanu bowed out in three sets (6-3, 4-6, 5-7), taking the first over Katerina Siniaková before dropping the final two sets.

Kontaveit lost to American Ann Li, 0-6, 6-3, 4-6, while Svitolina also took her match against Heather Watson to three sets and a breakpoint, 6-4, 3-6, 6-7 (9-7). Pliskova managed 10 aces against Anna Kalinskaya but was plagued by nine double faults, losing 3-6, 3-6.

After Thursday, just three seeds in the top half of the draw remain: No. 8 Ons Jabeur, No. 9 Danielle Collins and No. 22 Belinda Bencic