Patrick Mouratoglou joins The Double Bagel Tennis Podcast this week, and he is the current coach of Serena Williams, Stefanos Tsitsipas, Coco Gauff, and many other players. Patrick Mouratoglou’s most famous partnership is arguably with Serena Williams, who he started working with in 2012. Since then, Patrick Mouratoglou has coached Williams to a total of ten Grand Slam singles titles, three WTA Championship titles, and helped her regain the world no.1 ranking on the WTA Tour. We talk at length about the personalities of Serena Williams, Stefanos Tsitsipas, Coco Gauff, and whether Serena Williams can reach #21.