Top seeds Novak Djokovic and Roger Federer each rolled through second-round wins Tuesday at the Italian Masters tennis tournament in Rome.
Seeded players Marin Cilic and Kei Nishikori collected first-round wins Monday at the Italian Masters tennis tournament in Rome.
Pablo Andujar upended 10th-seeded Marin Cilic and No. 16 Gilles Simon also advanced Sunday, opening the men's singles competition at the Madrid Open.
Daniel Brands and Ivan Dodig posted upsets Friday, knocking top seeds Janko Tipsarevic and Alexandr Dolgopolov out of the BMW Open tennis tournament in Germany.
Ivan Dodig claimed a second-round upset of No. 2-seeded Marin Cilic in Wednesday's play at the BMW Open tennis tournament in Germany.
World No. 1 Novak Djokovic again needed a third set Thursday before he was able to advance to the quarterfinals of the Monte Carlo Rolex Masters.
Rafael Nadal ran his winning streak at the Monte Carlo Rolex Masters to 43 matches with a straight-set victory Wednesday.
Fabio Fognini and Roberto Bautista-Agut posted upset wins Monday in first-round play of the Monte Carlo Rolex Masters tennis tournament.
No. 2 seed Andy Murray eliminated Marin Cilic on the seventh match point Thursday to reach the semifinals of the Sony Open.
Tommy Haas kept alive his chances for what would be a special championship Wednesday by earning a semifinal berth at the Sony Open.