| Clijsters spent two years away from competitive tennis |
Kim Clijsters' comeback gathered pace when the former world number one beat Patty Schnyder 6-2 7-5 to reach the third round of the Cincinnati Open.
The 26-year-old Belgian, playing in her first event after a two! -year break during which she gave birth, beat the world number 20 in 70 minutes.
"The first-serve percentage was a lot better than the first match," she said.
"I started making a few little mistakes here and there, but I stayed aggressive and stuck to my game plan."
Unseeded Clijsters dropped just three points as she raced to a 3-0 lead and though Schnyder steadied herself, the first set was a one-sided affair.
Schnyder raised her game in the second but the Belgian broke in the 12th game to set up a clash with Russian sixth seed Svetlana Kuznetsova, the French Open champion.
"I think any match now is a good test," Clijsters said. "Svetlana can play really aggressive tennis and mix it up well. I will have to be on top of my game if I want to give myself a shot at winning."
There were also straightforward wins for fourth seed Elena Dementieva and fifth seed Jelena Jankovic.