TENNIS Maarssenaar Guy den Ouden and Sidane Pontjodikomo have qualified for the quarter-finals of the ITF tournament in Heraklion, Greece. Pontjodikromo won in three sets (6-4, 3-6, 7-5) against the Greek Aleksandros Skorilas, Den Ouden did not play because his British opponent Stuart Parker withdrew injured. (Thursday October 26)