Australian Samantha Stosur is through to the second round of the French Open after a comfortable win over Iveta Benesova.

Daniela Hantuchova, Caroline Wozniacki and Jelena Jankovic all won through to the third round of WTA Rome Internazionali BNL d'Italia on Wednesday.

The top seeds struggled on Wednesday at the WTA Mutua Madrid Open with Maria Sharapova, Vera Zvonareva and Jelena Jankovic all departing.

Victoria Azarenka has retired from her third round match of the WTA Porsche Tennis Grand Prix due to a shoulder injury.

Kim Clijsters and Jelena Jankovic both made short work of their opponents in the heat of the desert at Indian Wells.

Two former world number ones advanced to the third round of the US Open 2010 tennis championships yesterday in contrasting styles.

Former world number one Maria Sharapova of Russia has sealed her place in the second round of the 2010 US Open with a tough 3-set victory over Jarmila Groth of Australia.

Caroline Wozniacki of Denmark and defending champion Kim Clijsters of Belgium are the top two seeds at this year's US Open.

Wozniacki has been elevated to the top position due to the withdrawl of current world number one Serena Williams who has not recovered from a foot injury that has kept her out of action since Wimbledon.