Garbine Muguruza beat Kim Clijsters in the Belgian's first match since 2012, but the four-time major champion saw some positives.
Garbine Muguruza battled to victory against Kim Clijsters, who was playing her first competitive match for more than seven years.
Former world number one Kim Clijsters will face a tough assignment against Garbine Muguruza in her first professional match since 2012.
World number eight Kiki Bertens will be the first player to take on Kim Clijsters on the WTA Tour in over seven years next week.
Kim Clijsters retired after the 2012 US Open, but the Belgian will play professional tennis again this season, starting in Dubai.
As she continues to recover from a knee injury, Kim Clijsters has confirmed she will play in Monterrey, Indian Wells and Charleston.
There will be no January return to the WTA Tour for Kim Clijsters, but the former world number one says her knee injury is only a setback.
Kim Clijsters might be about to return to the WTA Tour, but she will not be renewing a rivalry with Li Na.
After seven years away, Kim Clijsters has announced plans for a sensational return to tennis. We look at the other great WTA Tour comebacks.
Kim Clijsters, the former world number one, has announced plans for a surprise WTA return after a seven-year absence from tennis.