Ruben (ATP-180) has reached the second round of the challenger tournament in Portoroz in Slovenia. He defeated Czech Jan Mertl (ATP-276) in three sets.
Eighth seeded Ruben lost his three previous matches against the 34-year-old Mertl. Also today, the Czech took the first set 4-6. Ruben fought back and won the next sets 6-1 and 6-1 to reach the second round. In the next round he will face Marko Tepavac (ATP-178) or Daniel Cox (ATP-544).