The two Croatian players played for the finals of the Rosmalen Open, and it was Karlović who took the deciding tie-break
Marin Čilić won easily, as his opponent retired due to injury, while Petra Martić was just couple of points away from the win, but ran out of steam in the final games of the match
Nikola Mektić and Brian Baker received their first ATP World Tour titles on Sunday at the Memphis Open.
A Croatian duel between Marin Čilić and Borna Ćorić will take place tomorrow at 10:00 (CET) for a place in the quarterfinals of the Rotterdam Open.
The big-serving Croat wins seventh career ATP World Tour title and becomes the oldest ATP champion in last couple of decades.
His next opponent is David Goffin