Defending champion Roger Federer squandered three match points as he slumped to a 3-6, 7-6(8), 6-4 defeat to Tomas Berdych in their Dubai Open singles semifinal on Friday.

Top seed Djokovic reached the final with a 6-3, 7-6(4) success over Juan Martin del Potro.

The results:

At Acapulco: ATP/WTA Mexican Open: Men: Quarterfinals: David Ferrer bt Paolo Lorenzi 6-3, 6-1; Fabio Fognini bt Santiago Giraldo 7-5, 6-4; Nicolas Almagro bt Horacio Zeballos 6-3, 6-4; Rafael Nadal bt Leonardo Mayer 6-1, 7-5.

Women: Quarterfinals: Sara Errani bt Kiki Bertens 6-4, 6-4; Carla Suarez Navarro bt Francesca Schiavone 6-7(5), 6-4, 6-2; Alize Cornet bt Lourdes Domþnguez Lino 3-6, 7-6(10), 7-6(2); Silvia Soler Espinosa bt Karin Knapp 6-2, 6-2.

At Dubai:

ATP Dubai Open: Singles: Semifinals: Novak Djokovic bt Juan Martin del Potro 6-3, 7-6(4).

Doubles: Semifinals: Mahesh Bhupathi & Michael Llodra bt Rohan Bopanna & Rajeev Ram 6-4, 6-7(2), 10-5; Robert Lindstedt & Nenand Zimonjic bt Mikhail Youzhny & Jonathan Erlich 7-6(2), 7-6(2). — Agencies

More In: SPORT | Today's Paper