MELBOURNE, Australia (AP) — Sam Stosur, the 2011 U.S. Open champion, is now a mom. The 36-year-old Australian tennis pro announced Monday on Instagram that her partner, Liz, gave birth to a girl in June. “Life in lockdown during coronavirus has been challenging in many ways but personally it’s been one of the most exciting and happy times of my life,” Stosur wrote. She continued: “It has been a whirlwind time but we could not imagine life without her now.” In addition to claiming her Grand Slam singles title by beating Serena Williams in New York in the final nine years ago, Stosur was the runner-up at the French Open in 2010 and a semifinalist at Roland Garros three times. In doubles, Stosur has been ranked No.Read more on NewsOK.com