French Open champion Alexander Zverev also gets his campaign under way, bidding to put his previous grass-court struggles behind him.Williams plays a professional singles match for the first time since "evolving away" from tennis in 2022 when she takes on Australian youngster Maya Joint in the first round.The 23-time Grand Slam champion announced her shock return to the sport earlier this month and has played two doubles matches since, winning one and losing one.The tie against Joint will be the 44-year-old's first appearance in singles since losing to Ajla Tomljanovic in the 2022 US Open third round."I expect to be nervous. I was also nervous every single match I ever played in my life," said Williams, who will also play in the doubles alongside older sister Venus."I've always had some nerves. But then I just dust 'em off, then I move on. I definitely expect to have those same feelings."Serena could not have been given a much kinder draw than facing Joint, who has lost 13 of her last 14 matches.Even a drop down to the second-tier ITF circuit didn't bring the 20-year-old much joy.Joint has slipped to 87th in the WTA rankings, having been inside the world's top 30 in February.She will face a daunting task Tuesday, when the crowd will be firmly behind her opponent.Williams will become the second-oldest player to feature in the Wimbledon women's singles in the Open era, after nine-time champion Martina Navratilova who reached the second round aged 47 in 2004.The American won the last of her seven Wimbledon titles a decade ago and her last Grand Slam triumph came at the 2017 Australian Open, when she was pregnant with her first child.Swiatek looking for form