Rohan Bopanna and his Romanian partner Florin Mergea advanced to the semi-finals of the ATP Shanghai Rolex Masters with a shock victory over the fourth seeded Croat-Brazilian pair of Ivan Dodig and Marcelo Melo on Friday. The unseeded Indo-Romanian won the quarter-final 6-4, 3-6, 10-7.
World No 5 Kei Nishikori has withdrawn from this week's Shanghai Rolex Masters due to an injury to his left gluteal muscle.
World number one Novak Djokovic recovered from a first-set loss to overcome Germany's Mischa Zverev while Britain's Andy Murray swept past Belgium's David Goffin to reach the Shanghai Masters semi-finals on Friday.
Djokovic dropped only three games against Klizan.
Roger Ferdrer came up with a solid all-round display to beat world No 1 Rafael Nadal 6-4, 6-3 in the final and win the Shanghai Masters on Sunday.
Roger Federer claimed one of the few titles to have previously eluded him after he overcame a sluggish start to beat injured Frenchman Gilles Simon in the Shanghai Masters final on Sunday.
India's Leander Paes and Canada's Daniel Nestor have lost to Andreas Seppi and Fabio Fognini of Italy 3-6, 7-5, 10-8 in their semi-final of the ATP China Open tournament in Beijing.
An ailing Rafael Nadal added his name to the list of upsets at the Shanghai Masters after the Spaniard suffered a 6-3, 7-6(6) loss to Feliciano Lopez in Wednesday's second round, as fourth seed Stanislas Wawrinka and in-form Kei Nishikori also made early exits. Nadal's great rival Roger Federer survived a huge scare, saving five match-points before overcoming Argentina's Leonardo Mayer 7-5, 3-6, 7-6(7).
Two-time champion Novak Djokovic thumped Spain's David Ferrer 6-4, 6-2 to march into the last four of the Shanghai Masters on Friday and set up a semi-final showdown with third seed Roger Federer.
Former world number one Rafael Nadal displayed more signs of a return to top form with a ruthless 6-2, 6-1 hammering of Stanislas Wawrinka to reach the semi-finals of the Shanghai Masters on Friday.
Top seed Novak Djokovic launched his Shanghai Open title defence in fine style, breezing past Spain's Marcel Granollers 6-2, 6-0 on Wednesday. Later Roger Federer, playing his first singles match since a fourth-round exit at the US Open, made a brisk return to winning ways, beating Andreas Seppi 6-4, 6-3.
World No 2 Djokovic, who received a first-round bye, broke his opponent's serve four times to extend his winning run to 19 matches.
American swimmer Michael Phelps, the most decorated Olympian of all time, was suspended for six months by USA Swimming on Monday following his recent arrest on a drunken driving charge.
The 32-year-old, who has not played since retiring injured in the US Open semi-finals, cited an abdominal injury.