Ruben (ATP-129) did not succeed in winning the title at the Challenger Tournament of Eckental. He was surprised by the Frenchman Antoine Hoang (ATP-178).
Ruben, seventh seed in Germany, lost the final in two sets with 7-5 and 6-3 against the Hoang, who celebrated his birthday. It was the first final of the year for the Belgian. In 2014 Ruben won the tournament in Eckental.
Thanks to his place in the final, Ruben rises to 119th place on the world rankings on Monday.