ST. PETERSBURG, Russia, Sept. 19 (UPI) -- Lukasz Kubot outlasted second-seeded Denis Istomin and picked up a first-round upset victory Wednesday at the St. Petersburg Open in Russia.
Kubot came out on top of a 4-6, 6-3, 6-4 decision over Istomin in a match that took 2 1/2 hours. Kubot won four more points -- 102-98 -- over the course of the match but the difference for him was finishing off three breaks over the second and third sets.