Serena Williams regrets not asking Gauff to be her doubles partner after early Berlin exit

[p]"[b]I thought [a href="https://www.flashscore.ca/player/gauff-coco/f5BXmEH6/"]Coco[/a] was more focused on playing singles[/b]," said the former world number 1 to [i][b]Flashscore [/b][/i]right after her defeat in the WTA 500 debut in Berlin.[/p][p]"[b]I should have done better research on who was playing doubles[/b]," she continued. "[b]It would have been fun to play with Coco. Maybe I'll call her next time.[/b]"[/p][p]Earlier, Gauff said she would play doubles with [a href="https://www.flashscore.ca/player/williams-serena/ttsu68nH/"]Serena[/a] anytime: "She just has to ask."[/p][embed guid="b6cba2c2-e6cf-4b25-a751-4abf14d80516" url="https://www.youtube.com/watch?v=ihuAs-HncJE" social-type="youtube" /][p]Serena, 44, [a href="https://www.flashscore.ca/game/tennis/muchova-k-Or4Qa1ye/williams-s-ttsu68nH/?mid=KEe0osWP"]was defeated in the doubles draw[/a] in Berlin this Tuesday, playing alongside the Czech [a href="https://www.flashscore.ca/player/muchova-karolina/Or4Qa1ye/"]Karolina Muchova[/a].[/p][p]This was the tennis legend's second match since her return to the courts. Last week, she played the WTA 500 at Queen's alongside Canadian [a href="https://www.flashscore.ca/player/mboko-victoria/AqVez8TJ/"]Victoria Mboko[/a].[/p]