Ruben (ATP-153) has easily qualified for the second round of the challenger tournament in Yokohama, Japan. In the first round he was too strong for a South African.
Ruben started as the sixth seed in Yokohama. In the first round he was up against Harris Llyod (ATP-277). In the first set had to the Belgian had to save three break points, one break was enough to win the set 6-3. Afterwards Ruben was no longer in trouble, with 6-4 in the second set he took the victory. The match lasted just under an hour.
In the next round Ruben will play against wildcard Kaito Uesugi (ATP 1126).