Serena Williams is undoubtedly one of the all-time greats, but you know what else is great? Her husband Alexis Ohanian cheering for her. At every tournament where Serena plays, it's pretty much a guarantee that you'll be able to spot Alexis in the stands, watching nervously and cheering proudly like the supportive husband he is. Alexis's enthusiastic — and sometimes hilarious — facial expressions as he watches his wife play have become one of the best parts of people-watching at tennis matches. And even though Serena's recent US Open match didn't go totally in her favor, her husband's support never wavered. Keep reading for some of Alexis's absolute best reactions to watching his wife play!