Taylor Fritz and his girlfriend, Morgan Riddle, attended the F1 Las Vegas Grand Prix. The couple donned matching black fits for the occasion and turned heads as they posed for photos together.Fritz and Riddle are one of the best-known duos of the tennis world. They began dating in June 2020, after the American reached out to Riddle on the celebrity dating app Raya. The couple quickly grew close and went public with their relationship in November later that year. Over the course of the past five years, Riddle has become a staple presence in Fritz's player's box when he's competing, and she has made a name for herself as a tennis influencer.Recently, Taylor Fritz and Morgan Riddle stepped out for a night out at the F1 Las Vegas Grand Prix. The duo both donned black fits for the occasion, with Fritz sporting a pair of corduroy trousers and a matching blazer, while Riddle was dressed in a pair of chic leather shorts and a fur jacket.Taylor Fritz reflects on girlfriend Morgan Riddle's impact on his tennisFritz at the National Bank Open (Image Source: Getty)Over the years, Taylor Fritz and Morgan Riddle have established themselves as a power couple of the tennis world. Riddle has been one of the American’s biggest cheerleaders, and at Wimbledon 2025, Fritz spoke about his girlfriend’s impact on his game.The World No. 6 highlighted the growth in his ranking since they'd been together, and emphasized the importance of Riddle’s constant support, saying:“I mean, there's been a pretty constant, I guess, results and ranking rise since we've been together. I think I would have to say she's been a big help to me just kind of keeping me focused, having someone who cares and just pushes you to just do better and do the right things, be healthier. Almost like kind of just mother me in a way with, like, the diet and going to sleep on time."Just having someone to push you in the right direction all the time, supporting you, it helps a lot. There's an obvious correlation between my results and ranking and the time we've been together."Taylor Fritz was last seen in action at the ATP Finals. While in Turin, the American registered one win and two losses in his round robin matches and subsequently failed to make it past the group stage.