On court, Jessica Pegula knows exactly how to make the most of her Yonex EZONE 98, keeping opponents under constant pressure. Off court, though she swaps the racket for a controller, the competitive edge doesn’t go anywhere. Whether it’s Call of Duty or a Nintendo classic, Pegula is just as locked in. So when her fellow Nintendo partner, Taylor Fritz, threw down a challenge on Mario Tennis Fever, she didn’t hesitate. Pegula was all in for a virt…