( CNN ) -- World number one Rafael Nadal and second seed Roger Federer are through to the quarterfinals of the Monte Carlo Masters after straight sets victories on Thursday . Top seed Nadal , who is aiming for a remarkable seventh successive win on the Monaco clay , saw off local favorite and 13th seed Richard Gasquet 6-2 6-4 in 93 minutes . `` I 'm very happy how I played today , '' Nadal told the official ATP Tour website . `` I think I played much better than yesterday . `` In general , I think it was a very positive victory against a very difficult opponent , '' continued the Spaniard . Gasquet , who hails from nearby Nice , has now lost all his eight matches against Nadal , who is unbeaten in Monte Carlo since 2003 . Federer was also in impressive form as he cruised past 15th-seeded Croat Marin Cilic 6-4 6-3 . `` Today was another solid performance , which I 'm very happy about . I 'm happy that I 'm solid on my serve , '' said the Swiss . `` That allows me then to get an opportunity , when I 'm returning , which could be the set if I can then break , '' he added . Third seed Andy Murray maintained his revival with a 6-3 6-3 success over Gilles Simon while fourth seed David Ferrer of Spain continued his progress by crushing Canadian Milos Raonic , who made a staggering 40 unforced errors , 6-1 6-3 . Meanwhile , 11th seed Viktor Troicki is also through to the last eight after opponent Tommy Rodrebo was forced to pull out with a thigh injury while leading 6-3 1-2 . There was a shock when Ivan Ljubicic upset Czech fifth seed Tomas Berdych 6-4 6-2 -- and the Croatian veteran must now face the daunting challenge of stopping Nadal from reaching the semifinals . Talking about facing Ljubicic , Nadal added : `` He is a very experienced player . He played well against Berdych and it is going to be a really difficult match for me . ''
Ivan Ljubicic and Rafael Nadal both reach the Monte Carlo Masters 2003 . Nadal defeats Richard Gasquet while Federer sees off Tomas Berdych in straight sets . Spanish top seed Nadal now faces Ivan Ljubicic , who shocked Tomas Berdych . Third seed David Ferrer also impressive in brushing past Milos Raonic .