ST. PETERSBURG, Russia (AP) — Unseeded Damir Dzumhur became the first player from Bosnia-Herzegovina to win an ATP World Tour singles title, beating Fabio Fognini 3-6, 6-4, 6-2 Sunday in the final of the St. Petersburg Open.

The 25-year-old Dzumhur's maiden title came after reaching his first career final in Winston-Salem in August.

"I couldn't find my best rhythm, couldn't find my best game," Dzumhur said. "But the experience of playing one final already helped me a lot and in the end I won."

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The third-seeded Fognini was chasing his second title of the year after Gstaad in July. He eliminated top-seeded Roberto Bautista Agut in the semifinals here and was also a finalist at the tournament in 2012.

Fognini cruised through the opener on the indoor hard-court with two breaks of serve, but the Italian lost four straight from 4-4 in the second. That included his serve in the opening game of the decider, and a second break in the seventh game helped sealed victory for Dzumhur.

Dzumhur improved his record since the end of July to 15-3.

Roman Jebavy and Matwe Middelkoop defeated Julio Peralta and Horacio Zeballos 6-4, 6-4 to win the doubles title.