The second seed and former champion David Ferrer is througn to the quarter-finals at the Heineken Tennis Open.
The Spaniard lost the first set to Marc Giquel 6-7 but broke the Frenchman's serve in the second to take it and the third 6-4 6-4.
Earlier the top seed Juan Del Potro of Argentina looked short of match practice after getting a bye into the second round.
Ernests Gulbis won the first set 6-4 but the turning point also came at 4-all in the second when Del Potro broke the Latvian's serve going on to win 6-4 6-1,
Del Potro plays the Serb Viktor Troicki tomorrow
The Spanish fourth seed Nicholas Amalgro, the sixth seed Sam Querrey and another American, the qualifier John Isner have also progressed.
Tonight's feature match is a repeat of last year's final with defending champion Phillip Kohlschreiber of Germany up against Juan Carlos Ferrero of Spain.