FILE - In this Aug. 30, 2019, file photo, Kei Nishikori, of Japan, returns a shot to Alex de Minaur, of Australia, during round three of the US Open tennis championships in New York. Nishikori, the 2014 U.S. Open runner-up, said he tested negative for COVID-19 after having two positive tests but still decided to withdraw from the Grand Slam tournament that begins next week. Nishikori wrote Wednesday, Aug. 26, 2020, on his mobile app that he is ready to 'slowly' return to practice - but not prepared to compete in best-of-five-set matches. (AP Photo/Eduardo Munoz Alvarez, File)
The Associated Press
NEW YORK (AP) - Kei Nishikori, the 2014 U.S. Open runner-up, said he tested negative for COVID-19 after having two positive tests but still decided to withdraw from the Grand Slam tournament that begins next week.
Nishikori wrote Wednesday on his mobile app that he is ready to 'œslowly'ť return to practice - but not prepared to compete in best-of-five-set matches.
'œAfter such a long break I feel that returning in a best of 5 long-match setting is not smart until I am fully ready to do so,'ť Nishikori's post said. 'œIt's disappointing as I love the US Open and have great memories there. I will start on the clay. Thank you.'ť
Another player withdrawing from the U.S. Open on Wednesday was Polona Hercog. That allowed 2009 semifinalist Yanina Wickmayer to move into the main draw.
The U.S. Open, on the hard courts at Flushing Meadows, ends on Sept. 13. Then the tennis tour shifts to red clay in Europe, with tuneup tournaments planned ahead of the scheduled start of the French Open on Sept. 27.
Nishikori said last Friday he tested positive for COVID-19 a second time and had 'œvery minimal symptoms.'ť
The 30-year-old from Japan has been ranked as high as No. 4 and is currently No. 31, which would have put him in line to be seeded for the U.S. Open.
Nishikori lost in the 2014 final at Flushing Meadows to Marin Cilic and was also a semifinalist in New York in 2016 and 2018.
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FILE - In this Aug. 28, 2019, file photo, Kei Nishikori, of Japan, wipes sweat from his brow between serves from Bradley Klahn during the second round of the U.S. Open tennis championships in New York. Nishikori, the 2014 U.S. Open runner-up, said he tested negative for COVID-19 after having two positive tests but still decided to withdraw from the Grand Slam tournament that begins next week. Nishikori wrote Wednesday, Aug. 26, 2020, on his mobile app that he is ready to 'slowly' return to practice - but not prepared to compete in best-of-five-set matches.(AP Photo/Michael Owens, File)
The Associated Press
FILE - In this Aug. 28, 2019, file photo, Kei Nishikori, of Japan, reacts after losing a point to Bradley Klahn during the second round of the U.S. Open tennis championships in New York. Nishikori, the 2014 U.S. Open runner-up, said he tested negative for COVID-19 after having two positive tests but still decided to withdraw from the Grand Slam tournament that begins next week. Nishikori wrote Wednesday, Aug. 26, 2020, on his mobile app that he is ready to 'slowly' return to practice - but not prepared to compete in best-of-five-set matches. (AP Photo/Kevin Hagen, File)
The Associated Press