Tommy Haas won his 15th career title and second this season, defeating Robin Haase of the Netherlands 6-3, 4-6, 6-4 at the Erste Bank Open on Sunday.

The second-seeded German, won also won the event 12 years ago, maintained his slim chance of qualifying for next month's ATP finals in London.

Haas came back from a break down to win the opening set but was broken while serving at 5-4 down in the second. Haas trailed 4-2 in the deciding set before winning four straight games.

The 35-year-old Haas already had become the oldest tournament winner of the season by winning in Munich in May.

It was Haase's second defeat in a final this year after losing three months ago in Gstaad, Switzerland.