 In his college career, Wimbledon tennis men's quarterfinals, top seed Yannick Sinner and No. 5 Daniel Medvedev are tied at five in the first set. American Tommy Paul plays defending champ Carlos Alcaraz in the late match women's bracket. Lulu's son takes the first set from Donna Vekic, and Vekic leads 2-1 in the second. Later today, American Emma Navarro is on the court against Jasmine Polini. Dave Preston, WTOP Sports.