Garbiñe Muguruza hits a return during the women's singles 1st round match against Elise Mertens of Belgium at Australian Open tennis tournament, in Melbourne, Australia, on Jan. 17, 2023.

Social media sleuths believe they have cracked the case over the rumored romance between tennis stars Stan Wawrinka and Garbiñe Muguruza. In June, Switzerland’s Wawrinka posted a photo of him… ...