Seventh-seeded South African Kevin Anderson beat Aussie qualifier Marinko Matosevic 6-4, 7-6(2) on Sunday to win the ATP Tour's Delray Beach International tennis title.
Anderson won his second career title, to go with a triumph on home soil in Johannesburg last year.
The big-serving South African couldn't convert any of his eight break chances in the second set, but he took control early in the tie-breaker to finish off the victory in just under two hours.
Matosevic, ranked 173rd in the world, was playing in his first ATP final.
He was bidding to become the second player this year to come through qualifying and win a title, after Jarkko Nieminen in Sydney in January.