As Florian Mayer was attempting to return a volley back to David Ferrer during the 2014 Australian Open, it inadvertently found the face of the ball boy.
The crowd groaned, but the poor kid didn't suffer any major injuries.
Good thing it wasn't a golf ball...
During a random search of Getty Images, we noticed these unbelievable shots of tennis players making objects levitate. How this isn't a bigger news item, we've got not idea, but it's really freaking us out right now.
It turns out when you're trying to be a champion, you don't always have time to try to look cool. Sometimes you just have to do what it takes and hope that later the awesomeness of being champion will erase any embarrassing moments from memory.
Being a professional tennis player is grueling, hard work - just listen to the grunts. Combine competing at a professional level and getting stung by a wasp at the same time, and things get even harder.