The 22-year-old Aussie pulled out with a back injury, catapulting Novak Djokovic into the semis via walkover at Indian Wells.
The Romanian has quickly become the WTA's highlight-reel leader with shots like these in 2015.
The Swiss changes so fast in her chair that the umpire doesn't even know it's happened.
If there is one weak spot in Simona Halep's game, it's her ability to keep score.
The jury's still out on Sloane Stephens' long-term prospects, but one thing's for sure: She's got talent.
Wayne Odesnik announces his retirement after he's hit with a 15-year doping ban. Andy Murray tweets "Good Riddance."
The Czech star continues to battle with low energy that forced her out of Indian Wells
