Rafael Nadal sealed his fifth title in seven tournaments since returning from a seven-month injury layoff as he claimed a third Madrid Masters title with a 6-2, 6-4 win over Stanislas Wawrinka on Sunday. Nadal now has 55 career titles with 40 coming on clay, an astonishing record that prompted Wawrinka to describe the Spaniard as a "killer" on clay courts. Nadal, who holds a 9-0 career record over Switzerland's Wawrinka, rolled through the first set thanks to two early breaks in little over half an hour.

Results from the sixth day of the ATP Madrid Masters and WTA Madrid Open on Thursday (x denotes seeding): Men 3rd rd Pablo Andujar (ESP) bt Daniel Gimeno-Traver (ESP) 5-5 retired Women 3rd rd Anabel Medina Garrigues (ESP) bt Yaroslava Shvedova (KAZ) retired Maria Sharapova (RUS x2) bt Sabine Lisicki (GER) 6-2, 7-5 Serena Williams (USA x1) bt Maria Kirilenko (RUS x13) 6-3, 6-1 afp

Serena Williams retained her Madrid Open title on Sunday with a devastating display to beat world number two Maria Sharapova 6-1, 6-4. The title is Williams' 50th of her singles career and extends her amazing run over Sharapova whom she hasn't lost to in 12 meetings since 2004. And Williams believes winning a title on red clay for the first time since 2002, after Madrid's switch back to the more traditional surface after an experiment with blue clay last year, is the perfect preparation for the French Open.

Serena Williams retained her Madrid Open title on Sunday with a devastating display to beat world number two Maria Sharapova 6-1, 6-4. The title is Williams' 50th of her singles career and extends her amazing run over Sharapova who she hasn't lost to in 12 meetings since 2004. "Thank you to everyone, to all my fans and to Maria. I am very happy," Williams said afterwards. Sharapova though was left to reflect on once again coming up short against the world number one. "Thank you to everyone for being so supportive in every single match.