Venus Williams and Reilly Opelka were spotted together during a recent gathering, giving rise to more speculation from tennis fans. There have been rumors for a while that Williams and Opelka are dating.The two were seen alongside fellow American tennis star Taylor Fritz and former NBA star David Lee, the latter of whom is Caroline Wozniacki's husband.Opelka, Fritz, Lee, and Williams posed for a photo during the event, which seemed like a friendly gathering. The Williams sisters are known to be good friends with both Opelka and Wozniacki.Fritz posted a photo with Opelka on Friday, calling him the "Twitter King."Taylor Fritz@Taylor_Fritz97Ran into the Twitter King @ReillyOpelka167232Ran into the Twitter King @ReillyOpelka https://t.co/D5scm8YzogIn another photo that emerged from the event - the one that has caused all the speculation - Venus Williams was spotted as well.TennisAlt@tennisalt@WilsonSirdi Venus was with them too7@WilsonSirdi Venus was with them too https://t.co/w1X8tupjbhReacting to the picture, many fans added more fire to the Venus Williams-Reilly Opelka dating rumors."shes really dating that man isn't she," one fan wrote.ana 😋@vixenjennie......... shes really dating that man isnt she twitter.com/tennisalt/stat…TennisAlt@tennisalt@WilsonSirdi Venus was with them too7@WilsonSirdi Venus was with them too https://t.co/w1X8tupjbh......... shes really dating that man isnt she twitter.com/tennisalt/stat…Defund the USTA@Charisse_TweetsOMG VENUS STAND UP twitter.com/tennisalt/stat…TennisAlt@tennisalt@WilsonSirdi Venus was with them too29@WilsonSirdi Venus was with them too https://t.co/w1X8tupjbhOMG VENUS STAND UP twitter.com/tennisalt/stat…The rumors around Venus Williams and Reilly Opelka first started last year, as they were seen together frequently. But the American tennis legend shut down all speculation with a hilarious reply when a fan asked her on social media if she and Opelka were indeed dating."No @ReillyOpelka shot me down," Williams wrote on Instagram last year.Earlier this year, Williams called Opelka one of her "best friends on tour" when asked by a fan which fellow tennis players she would invite for dinner. The five-time Wimbledon champion picked Opelka alongside her sister Serena Williams and ATP star Grigor Dimitrov as her dinner guests."Serena Williams, Reilly Opelka, and Grigor Dimitrov. Sorry, just have to pick my best friends on tour," Williams wrote in response to a fan question during an Instagram Q&A session.Venus Williams trains with sister Serena Williams on the practice courtSerena Williams and Venus Williams in action at the 2022 US Open.Venus Williams and her sister Serena Williams have got the tennis world excited about their potential return to competitive tennis, with Urszula Radwanska having posted a photo of herself training with the sisters last week.Younger sister Serena retired from tour-level tennis at the US Open. Venus, meanwhile, has not yet officially announced her retirement despite making very few appearances on tour in 2022."Agnieszka Radwanska, we missed you on the court today," Urszula Radwanska captioned her Instagram story.José Morgado@josemorgadoVenus, Serena and Ula Radwanska on court today... twitter.com/serenapower_/s…Luis.@serenapower_1665👀 https://t.co/k4Xv2HCf5qVenus, Serena and Ula Radwanska on court today... twitter.com/serenapower_/s…The 42-year-old Venus played just four tour-level singles matches in 2022, all during the American hardcourt swing leading up to the US Open. She lost all those matches, with the last one being a US Open first-round exit to Alison Van Uytvanck.