World No. 2 and defending champion Roger Federer was the stunning upset victim of Kei Nishikori Thursday in the third round of the Mutua Madrid Open.
Grigor Dimitrov ousted world No. 1 Novak Djokovic in a three-set marathon Tuesday in a second-round match at the Madrid Open.
Grigor Dimitrov finished off Monday's long schedule with a win at the Mutua Madrid Open that put him in the second round against world No. 1 Novak Djokovic.
Qualifier Pablo Carreno-Busta came out on top of his tight match against fifth-seeded Julien Benneteau Tuesday at the Portugal Open tennis tournament.
Fabio Fognini and Roberto Bautista-Agut posted upset wins Monday in first-round play of the Monte Carlo Rolex Masters tennis tournament.
Two-time defending champion Pablo Andujar and fifth-seeded Jurgen Melzer each fell in first-round upsets Tuesday at the Moroccan Grand Prix tennis event.
Bernard Tomic led a wave of unseeded players into the second round of the Sony Open Thursday with a win over Marc Gicquel.
Top-seeded Novak Djokovic and No. 3 Andy Murray each needed three sets to record second-round victories Sunday at the BNP Paribas Open.
No. 1 seed David Ferrer advanced Wednesday and second-seeded Rafael Nadal stayed sharp as they remained on a collision course at the Mexican Open.
David Ferrer and Nicolas Almagro, the top two seeds, both reached the quarterfinals Thursday at the Copa Claro.