Madrid Masters winner David Nalbandian suffered a shock first round defeat at the Basel ATP event.
The 27-year-old has struggled for fitness and form in 2007 and lost in the first round of the Madrid Masters this week.
World number two Rafael Nadal recovered from an unsteady start to overpower Marcos Baghdatis 6-4 6-4 in the Madrid Masters on Wednesday and set up a mouth-watering last-16 clash against Andy Murray.
World No 1 Roger Federer was not at his best but easily beat American qualifier Robby Ginepri in the second round of the Madrid Masters.
Croat Ivo Karlovic beat Marat Safin 6-3, 6-4 in the first round of the Madrid Masters.
Andy Murray sought on Sunday to play down his comments that corruption was commonplace in tennis during the build-up to the Madrid Masters tournament.
Carlos Alcaraz crashed to a humbling 6-3 7-6(4) defeat by Hungarian qualifier Fabian Marozsan in the third round of the Italian Open.
Clay maestro Rafa Nadal was in cruise control in the latest phase of his French Open build-up while Robin Soderling, the man who ended the Spaniard's Roland Garros reign, crashed out of the Madrid Open on Wednesday.
Kidambi Srikanth made a winning start but PV Sindhu and HS Prannoy were ousted
The world number one registered a crushing 6-4, 6-0 victory in the semi-finals of the Madrid Masters.
The Indo-American pair lost to the Israel's Jonathan Erlich and Andy Ram in straight sets at the Madrid Masters.
Women's No 1 Serena Williams remained on track for her 60th career title as she powered past Peng Shuai 6-2, 6-3 while Rafael Nadal launched the defence of his Madrid Open title.
Newspaper allegations surfaced on Sunday saying that some players had thrown matches for financial gain.
World number seven Juan Martin del Potro has withdrawn from next week's Madrid Open because of a viral infection, organisers said on Friday.
Paes and Nenad Zimonjic entered the semi-finals of the Madrid Masters beating Mahesh Bhupathi and Martin Damm on Friday.
The Indo-Czech pair thus set up a second round clash with Leander Paes and Nenad Zimonjic.
India's Rohan Bopanna and Romania's Florin Mergea won their second title of the season together.
The Indo-Romanian pair won 6-3, 6-7(6), 10-7 over the second seeded Polish-Serbian combination win in the super tie-breaker in a battle that lasted just over one hour.
Andre Agassi beat Spain's Tommy Robredo while Marat Safin knocked out Peruvian Luis Horna at the Madrid Masters.
Liverpool came into Saturday's Champions League final against Real Madrid on a wave of confidence but Zinedine Zidane's side showed exactly why they are the masters of Europe's top club competition in their 3-1 win.
Four of Nadal's closest rivals failed to make the last 16, however, as third seed Ivan Ljubicic, fifth seed Nikolay Davydenko, eighth seed James Blake and ninth seed Marcos Baghdatis were upset in their ties.
World number one Rafael Nadal set a new record of winning 50 consecutive sets on a single surface by beating Argentine Diego Schwartzman 6-3, 6-4 on Thursday to reach the Madrid Open quarter-finals.
Ferrero brushed aside Thailand's Paradorn Srichaphan 6-4 6-2, a result that will be enough to keep him on top of the world rankings.
Spain's Feliciano Lopez sent the Australian ninth seed spinning out of the Madrid Masters on a night of surprises.
Sania Mirza and Martina Hingis of Switzerland stormed into the semi-finals of the Rome Masters with a straight-set victory over Julia Goerges and Silvia Soler-Espinosa on Thursday.
It's going to be a hell of journey, says Sindhu welcoming new coach Hafiz Hashim
Carlos Alcaraz announced himself in Madrid when he played with a sore ankle but still dispatched three top five players -- Rafael Nadal, Djokovic and Alexander Zverev -- en route to his second Masters title, just days after his 19th birthday.
The Indonesian had defeated Sindhu twice in the last three meetings this year, including one at the Madrid Spain Masters final, though the Indian came into the match with an overall 8-2 head-to-head record.
Djokovic was playing alongside world number one golfer with disabilities Kipp Popert as part of Colin Montgomerie's team which also featured Gareth Bale.
Rafa Nadal reasserted his dominance over Roger Federer on clay and laid down a marker for the French Open when he overwhelmed his arch rival 6-4, 7-6 in the final of the Madrid Open on Sunday. Federer beat Nadal in last year's final before going on to claim the French Open and Wimbledon crowns and snatching back the world number one ranking from the Spaniard.