Serena Williams has found a new doubles partner in her daughter, Olympia.

The 38-year-old multiple Grand Slam champion posted a series of photos playing tennis with her 2-year-old daughter during quarantine. The pair donned matching purple outfits and tennis racquets.

“Caption this (MUST SWIPE RIGHT)," Williams captioned the pics.

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Her husband and Olympia's dad, Alexis Ohanian, quickly commented: “Six pack baby stroooooong ❤️."

Williams' sister, Venus, said, “I just love her and you too much! If this gets any cuter I will NOT LIVE!."

Danish tennis star Caroline Wozniacki commented, "Oh my gosh!!! This is the cutest thing I have ever seen!!!"

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The athlete previously told Vogue magazine about the ups and downs she feels about motherhood. “Sometimes I get really down and feel like, 'Man, I can’t do this,'” she admitted. “It’s that same negative attitude I have on the court sometimes. I guess that’s just who I am."

"No one talks about the low moments — the pressure you feel, the incredible letdown every time you hear the baby cry. I’ve broken down I don’t know how many times," she said in the 2018 interview. "Or I’ll get angry about the crying, then sad about being angry, and then guilty, like, 'Why do I feel so sad when I have a beautiful baby?' The emotions are insane.”

Williams and Ohanian, who married in 2017 in New Orleans, have said they want more kids.

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In December she told Page Six, “I’m, like, ‘Oh my God, I wanted her to have a sibling and it’s getting farther and farther away.’ She’s 2 and I always wanted [them to be closer in age] because I am so close to my sister [Venus]. We are 15 months apart and I’m like, ‘That ship has sailed.’ We’ll see, I obviously want more.”