Lol it's reserved mirka was forced to retire then took over everything in his career and became his hitting partner.
"She looked so stressed out, every point,” Kuritzkes said. “I was watching her and just thinking, ‘Why are you so stressed out? You guys have all the money in the world. You’ve won 20 grand slams. What’s so stressful to you? It has to be something else.’”
He started digging into Mirka’s story and learned that, when she and Federer met, they were both tennis champions. After a foot injury sidelined Mirka, she took on the role of managing Federer’s career. In the film, the career of Zendaya’s Tashi also ends early due to an injury, and she instead focuses on training her husband