Den Bosch, Netherlands - Top seed David Ferrer reached the ‘s-Hertogenbosch grass-court quarter-finals on Wednesday, dismissing Leonardo Mayer of Argentina, 6-3, 6-1.
World No 6 Ferrer, who triumphed on his debut in 2008, next faces Dutch wildcard Igor Sijsling who fired 21 aces past Belgian Olivier Rochus for a 7-5, 7-6 (7/4) victory.
Japan's Tatsuma Ito lost just 11 points on his serve to defeat third-seeded Austrian Jurgen Melzer 6-2, 6-2 in just 57 minutes.