At the challenger tournament of Chicago (United States) Ruben (ATP-128) failed to reach the semifinals. The second seed was too strong.
Ruben, who was seeded sixth, had to compete in the quarterfinals against second seed Denis Istomin (ATP-76). One break in each set was enough for the Uzbek to win the match. After 1 hour and 13 minutes the 6-3 and 6-4 final score was on the scoreboard.