The Latest: A 1st for Venus: She loses in 1st round of Open
___7:10 p.m.Serena Williams began her latest attempt to win a 24th Grand Slam singles trophy by beating Kristie Ahn in the first round at the U.S. Open. 3 and hoping to tie Margaret Court's record of 24 Grand Slam singles titles. Pella reached the third round of the U.S. Open in 2018 and the third round of the Australian Open earlier this year. She is a seven-time Grand Slam quarterfinalist, including at the U.S. Open in 2013 and 2018. He's the first unranked player to win a Grand Slam match since Nicolas Kiefer at Wimbledon in 2007.