Naomi Osaka�s play at the U.S. Open has her mother, Tamaki, virtually applauding. Osaka, the 2018 champion, defeated Camila Giorgi 6-1, 6-2 in the second round. Then came a congratulatory conversation by remote with her mother, who was shown on a courtside video screen
Her mom, who is Japanese, also held up a sheet of images, which Osaka later deciphered.

�She�s saying, the first one is, �Good job,� and then the second one is, �Don�t do Instagram and Twitter and instead go to sleep,'" Osaka said. "And then the third one is, �Drink green juice and get some rest,� and then the fourth one is, �I love you.��

Osaka, who is seeded fourth, advanced while committing only 11 unforced errors.

Meanwhile, Unseeded Americans Ann Li and Shelby Rogers have pulled off upset victories in the second round of the U.S. Open.

Li beat No. 13-seeded Alison Riske in a matchup between Pennsylvanians, 6-0, 6-3. Li, who is 20 and ranked 128th, now has two career victories over players ranked in the top 75, and the wins have come in her two matches this week.

Rogers beat No. 11-seeded Elena Rybakina 7-5, 6-1. By advancing to the third round, Rogers matched her best showing at the U.S. Open. She�s ranked 93rd.

Top-seeded Karolina Pliskova has been upset in the second round of the U.S. Open by Caroline Garcia of France.