Ruben (ATP-119) failed to reach the quarterfinals of the Challenger tournament in Bratislava. He narrowly lost in the second round.
Ruben, eighth seed in Bratislava, faced Lukas Rosol (ATP-164) in the second round, of whom he never won before. The Belgian won the first set 6-4, but Rosol came alongside 3-6. In the third set a tiebreak had to make the decision, which went 6-7 (2) to the Czech. The match lasted almost two hours.