Ah, tennis. In no other setting can you wear tight clothes and make orgasmic shrieks and grunts while sweating and smacking balls without making people wonder if Cinemax is filming footage for their late-night programming. All kidding aside, tennis is an admirable sport that requires strength, speed, and agility...and stupid faces. Lots and lots of stupid faces. In fact, I'm not sure you're eligible for your pro card until you've made at least a dozen dumb faces in your amateur career. Here are some of the derpiest we've found and collected for your viewing pleasure.

The "I'mma Make the Ball Hover with My Awesome Mind Powers" Face:

The "Hurr Durr I Hit-a Da Yellow Thing" Reaction:

The "And Then I Jizzed...In. My. Pants" Face:

The "Ahhh! Get It Away From Me!" Reaction:

Which best encapsulates the dignity of being a professional tennis player?