Rafael Nadal and Andy Murray both secured straight-set victories against their respective opponents as they marched onto the round of 16. Nadal dropped only three games against Spanish compatriot Guillermo Garcia Lopez, triumphing 6-1 6-2 whilst the world no.4 Andy Murray defeated Ukraine's Sergiy Stakhovsky 6-2 6-3.
Elsewhere in the competition, Spaniards Nicolas Almagro, David Ferrer, Albert Montanes, Feliciano Lopez, Albert Ramos and Fernando Verdasco all progressed to the following round but sixteenth seed Pablo Andujar was eliminated by Colombian qualifier Robert Farah 7-6 4-6 7-5.
Fifth-seed Janko Tipsarevic overcame the challenge of Romanian Victor Hanescu 6-3 7-6 and Japanese eighth-seed Kei Nishikori defeated Mikhail Kukushkin 6-3 4-6 6-0.
The the round of 16 draw is as follows:
(6) Nicolas Almagro vs (11) Milos Raonic
Santiago Giraldo vs (2) Andy Murray
(1) Rafael Nafal vs Robert Farah
Albert Montanes vs (3) David Ferrer
(9) Fernando Verdasco vs (13) Kevin Anderson
(17) Albert Ramos vs (8) Kei Nishikori
Frederico Gil vs (5) Janko Tipsarevic
(7) Feliciano Lopez vs Jarkko Nieminen