TOKYO, Japan — Naomi Osaka is back playing, still winning, and also talking to the media again.
The Japanese superstar who lit the Olympic cauldron defeated 52nd-ranked Zheng Saisai of China 6-1, 6-4 on Sunday in her first match in nearly two months.
Osaka hadn't played since she withdrew from the French Open in May to take a mental health break, revealing that she has dealt with depression. She then sat out Wimbledon.
Osaka stopped to talk with reporters afterward, having said in Paris that she experiences “huge waves of anxiety” before meeting with the media and that she would be skipping news conferences.
“More than anything else I’m just focused on playing tennis,” Osaka said. “The Olympics has been a dream of mine since I was a kid so I feel like the break that I took was very needed. I feel definitely a little bit refreshed and I’m happy again.”
She added that she was “happy” that reporters were asking her questions, then added: “I feel a little bit out of my body right now."
“There’s nothing wrong with my body, I just felt really nervous,” Osaka said. “I haven’t played since France so there were definitely some things that I did a bit wrong but I think I can improve in the matches that I continue playing.”
The second-ranked Osaka was sharp from the start, serving an ace down the T on the opening point of the match and and racing out to a 5-0 lead.
Wearing a bright red dress and a red visor and with her hair styled in red-and-white braids to match the colors of the Japanese flag stitched onto the left side of her chest, Osaka served six aces in all and produced 25 winners to Zheng's 10.
When it was over, Osaka bowed to Zheng and waved her racket to the mostly empty stadium, which contained about 100 people — nearly all of them support staff or media.
Osaka’s match was originally scheduled to open the tournament on Saturday but then was pushed back a day before her starring role in Friday’s opening ceremony.
“I feel very very proud," Osaka said, revealing that Olympic organizers asked her to handle the cauldron honors back in March.
“When I lit the flame I was super honored,” she added. "I think that’s a position that you dream about and not anyone can do it so for me when they asked me if I wanted to I was very surprised but very honored and I’m just very happy to be here and very happy to play — especially in Tokyo.”
Osaka will next face 50th-ranked Viktorija Golubic of Switzerland.
On a good day for the host country, 2016 bronze medalist Kei Nishikori beat fifth-seeded Andrey Rublev 6-3, 6-4.
For other top players in the tennis tournament at the Tokyo Games, it wasn't so straightforward.
Top-ranked Ash Barty was upset by 48th-ranked Spanish opponent Sara Sorribes Tormo 6-4, 6-3 and two-time defending gold medalist Andy Murray withdrew from singles because of a right quad strain.
Both still remain in the doubles competition.
Barty won with Australian partner Storm Sanders on Saturday while Murray and British partner Joe Salisbury beat the second-seeded French team of Pierre-Hughes Herbert and Nicolas Mahut.
Barty’s singles defeat came 15 days after she won Wimbledon for her second Grand Slam title.
She struggled with a whopping 55 unforced errors to Sorribes Tormo’s 13 and got in only 54% of her first serves compared to her opponent’s 83%.
“I never really felt comfortable out there and wasn’t able to play the match on my terms,” Barty said. “The key to my game is serving well and I wasn’t able to do that today. I was a bit erratic and made too many errors.”
Murray pulled out shortly ahead of his scheduled opener against ninth-seeded Felix Auger-Aliassime of Canada on Center Court.
“I am really disappointed at having to withdraw but the medical staff have advised me against playing in both events, so I have made the difficult decision to withdraw from the singles and focus on playing doubles with Joe,” Murray said.
It’s the latest setback for the 34-year-old Murray after only recently returning to the tour from a three-month absence because of a groin problem. He has also had serious issues with a bad hip that wound up requiring two operations.
Murray has a total of three Olympic medals. He also won a silver in mixed doubles at the 2012 London Games with Laura Robson.
Heat and humidity were issues again with the temperature rising to 91 degrees F (33 degrees C) and the sun baking the hard courts at Ariake Tennis Park.
Also advancing was Wimbledon finalist Karolina Pliskova of the Czech Republic, No. 3 Aryna Sabalenka of Belarus, No. 4 Elina Svitolina of Ukraine, No. 7 Gabrine Muguruza of Spain and No. 10 Petra Kvitova of the Czech Republic.
Carla Suarez Navarro, the Spaniard who plans to retire this year, beat Ons Jabeur of Tunisia 6-4, 6-1 for her first victory since recovering from Hodgkin’s Lymphoma.
Camila Giorgi of Italy eliminated Jennifer Brady, the American who was this year’s Australian Open finalist, 6-3, 6-2.
Among the men advancing were third-seeded Stefanos Tsitsipas of Greece, No. 4 Alexander Zverev of Germany and Max Purcell of Australia — who took Murray's spot in the draw and defeated Auger-Aliassime 6-4, 7-6 (2).
Also, Frances Tiafoe and Marcos Giron — the remaining Americans in the men's singles draw — both won. Tiafoe beat Kwon Soon-woo of South Korea 6-3, 6-2 and Giron defeated Norbert Gombos of Slovakia 7-6 (4), 3-6, 6-2.
Associated Press writer Syd Fryer contributed to this report.
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Andrew Dampf is at https://twitter.com/AndrewDampf