Sania Mirza crashed out of the DFS Classic tennis tournament after losing to eighth seeded Mara Santangelo of Italy 3-6,  6-3, 6-7 (6) in the second round here on Wednesday.
Sania, who carved out an impressive win over Italian world no 66 Maria Elena Camerin 6-3, 6-3 on Tuesday, failed to come up with another good show against Santangelo, who just won the French Open doubles last week.
Sania rallied back to hand her higher ranked opponent an identical 6-3 hammering in the second set, but, she ran out of steam in the crucial decider to end her singles campaign.

Nadal advances
Meanwhile, French Open champion Rafael Nadal warmed up for Wimbledon on Wednesday with a 6-4, 6-4 win over Juan Martin del Potro in the second round of the Queen's grasscourt tournament, adds Reuters from London. However defending  champion Lleyton Hewitt lost to French qualifier Jo-Wilfried Tsonga 6-7(5), 6-7(2) in the first round.
Nadal, pairing with fellow Spaniard Feliciano Lopez, lost in the doubles 6-3, 7-6 to Jeff Coetzee and Rogier Wassen.
Serbia’s Novak Djokovic beat American Robert Kendrick 3-6, 6-3, 6-2, while Chile’s Fernando Gonzalez defeated Serb Janko Tipsarevic 7-6, 4-6, 7-6.
Meanwhile, three-time former champion Andy Roddick put the dark days of clay behind him to record a confident 6-4, 6-4 second-round victory over Radek Stepanek.
Britain's Tim Henman, failed to ignite the home crowd, bowing out 7-6, 2-6, 6-4 in the first round to another 18-year-old, Croatian wildcard Marin Cilic.
Croat Ivan Ljubicic, 28, scored a 6-3, 6-4 second-round victory over Danai Udomchoke of Thailand.
France's exciting 20-year-old Gael Monfils also looked secure and at ease on the Centre Court lawns. He beat Russian Igor Andreev 6-3, 6-4 in the first round.

Davydenko wins
Top-seed Nikolay Davydenko made the second round of the ATP tournament but admitted he was worried about an eye injury he suffered in his 7-6 (8/6), 4-6, 6-2 win over Austrian Jurgen Melzer, adds AFP from Halle, Germany.
There was an upset when Argentinian seventh-seed David Nalbandian was handed a first-round exit by Frenchman Marc Gicquel, who was playing only his fourth game on grass. The 30-year-old’s 5-7, 6-2, 6-4 win puts him into the second-round, where he will play German Benjamin Becker.
The biggest shock of the first round was when French number one and fifth-seed Richard Gasquet was beaten by Pakistani qualifier Aisam-Ul-Haq Qureshi. The 27-year-old from Lahore beat Gasquet in straight sets, knocking out the 20-year-old who is ranked 11th in the world, 293 places higher than Qureshi.
In the day’s other early games, Frenchman Fabrice Santoro ranked 53rd in the world, eased into the second round with a 6-3, 7-6 (11/9) win over South African qualifier Wesley Moodie.
German qualifier Simon Stadler beat wild-card compatriot Mischa Zverev in straight-sets 6-4, 7-6 (7/5) and will now face sixth-seeded Russian Mikhail Youzhny.
Romanian Andrei Pavel made it into the second round after beating Belgian Olivier Rochus 6-3, 7-6 (7/5).

Paes-Damm advance
Meanwhile, Leander Paes and his Czech partner Martin Damm registered a facile win to sail into the second round of the Gerry Webber Open, adds PTI from New Delhi.
The Indo-Czech duo scored a 6-4, 6-2 win over the Swiss-German pair of Yves Allegro and Michael Kohlmann.