It must be difficult to keep practice fun when you've played the game for most of your life. It must be particularly difficult to roll out of bed and not just go through the motions when it's the end of the season, you've wrapped up the top ranking and you've clinched a spot to the World Tour Finals in London.
So this is how the pros keep it fun. Check out the Bryan brothers' elaborate practice plan that virtually guarantees that they will be leaving Paris with one less functional iPad.
Speaking of target practice, here's a look back at Agnieszka Radwanska's video from last year. What she lacks in power she makes up for in accuracy. Kind of.