Kei Nishikori is closing in on a third-round clash against Roger Federer after beating Jergen Melzer 6-3 6-2 at the Madrid Open.
Milos Raonic said he needed to iron out "crucial mistakes" after he squeaked past former world number three Nikolay Davydenko.
Second seed Marin Cilic bowed out of the Munich Open in the second round after losing 6-4 6-2 to compatriot Ivan Dodig.
Juan Martin Del Potro moved into the third round of the Monte Carlo Masters with a 1-6 6-4 6-3 win over Alexandr Dolgopolov.
Gilles Simon suffered a shock 6-3 7-6 loss to Spaniard Roberto Bautista Agut in the Monte Carlo Masters opening round.
Juan Martin Del Potro overwhelmed qualifier Daniel Brands 6-4 6-2 in the quarter-finals in Dubai.
Novak Djokovic and Roger Federer stayed on course for a scorching desert showdown at the Dubai Championships.
Round-up: Roger Federer and Novak Djokovic strolled to easy victories in the Dubai Championships second round.
Round-up: Novak Djokovic trounced fellow Serb Viktor Troicki 6-1 6-4 in the Dubai Championships first round.
Roger Federer dropped the first set to beat Malek Jaziri 5-7 6-0 6-2 in the Dubai Championships first round.
Roger Federer surprisingly dropped the first set against little-known Malek Jaziri before putting the Tunisian upstart in his place with a 5-7 6-0 6-2 win to
Round-up: World number six Tomas Berdych was pushed hard in his opening match at ATP Marseille by Latvia's Ernests Gulbis.
Round-up: World number 10 Richard Gasquet was dumped out of ATP Marseille in the opening round.
View : 1134 times
View : 1109 times
View : 896 times
View : 878 times
View : 839 times
Find detailed TV schedules for all Eurosport channel.
Find all the sports news on iPhone, BlackBerry, Android and iPad.
Follow up to the minute sports reports with Eurosport.