Top seed David Ferrer beat Leonardo Mayer 6-3, 6-1 in ‘s-Hertogenbosch to move into the quarter finals of the UNICEF Open on Wednesday.
Ferrer is now 9-1 at this event and now meets Igor Sijsling for a place in the semi finals.
Isling beat Belgian Olivier Rochus 7-5, 7-6(4).
Japan's Tatsuma Ito upset third-seeded Austrian Jurgen Melzer 6-2, 6-2 in less than an hour.
France's Benoit Paire upset eighth seed Lukasz Kubot of Poland 6-3, 0-6, 6-4 to also reach the last eight
Edouard Roger-Vasselin beat Italy’s Flavio Cipolla 6-2, 3-6, 6-1 and meets qualifier Philipp Petzschner next