Tashkent, Uzbekistan (UzDaily.com) -- Uzbekistan number one Denis Istomin won ATP Challenger in Chicago, the United States.

In the final of the tournament, Istomin defeated Reilly Opelka of the United States in straight sets with the score 6-4 and 6-2.

The match lasted one hour and eight minutes. Denis Istomin recorded three break points, once ace and one double faults. Opelka in his turn served 14 aces and committed two double faults.

Denis Istomin clinched his 11^th title in challenger tournaments. Along with this tile, he won US$21,600 prize money and 125 ATP points.