Ruben (ATP-126) was not able to reach the second round of the Busan Open Challenger (South Korea). He lost in two sets to an American qualifier.
Ruben, seeded eighth in South Korea, had to face Austin Krajicek (ATP-291). Ruben never really got into the match and lost after 1 hour and 15 minutes with 3-6 and 3-6.
Ruben is now traveling back to Belgium to prepare for the qualifications of Roland Garros.