They say a good coach never retires, and that certainly seems true for Richard Williams, father of tennis icons Serena and Venus Williams. Recently, Richard was seen cheering on his granddaughter, Alexis Olympia Ohanian Jr., as she practiced bike racing. Serena captured this sweet moment and shared it on Instagram.

“A rare sighting, the one and only G.O.A.T. still motivating,” Serena wrote in the Instagram caption. “King Richard, but I call him daddy.”

According to Entertainment Weekly, Richard has stayed out of the spotlight since his health complications in 2016. However, the short video shared by Serena provided a glimpse into his role as a granddad. The clip features Serena, Alexis, and Richard in an outdoor setting, with Alexis practicing her riding skills on a pink-and-white bicycle.

As Alexis rides down the sidewalk, Richard records the moment on a cellphone, offering encouraging words. “Go on, girl, you are the best,” he cheers, as Alexis remains focused on her steady riding.

This moment feels full circle for Serena, who was trained by her father to become one of tennis’s greatest players. Richard’s coaching led both Serena and Venus to the pinnacle of the sport, making them global celebrities and top athletes. His dedication to their success was even immortalized in the biopic “King Richard.”