Ruben (ATP-180) was not able to advance to the quarterfinals of the challenger tournament in Portoroz in the singles. However he was successful in the doubles in Slovenia.
Ruben beat Czech Jan Mertl (ATP-276) in the first round in three sets. In the second round, however, he was not able to defeat the Serb Marko Tepavac (ATP-178). The Belgian lost after 1 hour and 11 minutes with 6-3 and 6-4.
In the doubles Ruben (ATP D-223) reached the semis together with Spaniard Adrian Menendez-Maceiras (WTA D-232). In the first round they beat Yannick Mertens (ATP D-563) and Frenchman David Guez (ATP D-286) 6-3 and 6-2. In the quarterfinals the Belgian-Spanish pair beat Tuna Altuna (ATP D-303) and Marko Tepavac (ATP D-752) 6-1 and 6-2 in just 47 minutes.
In the semifinals they will face Tomislav Draganja (ATP D-323) and Nino Serdarusic (ATP D-273).