2nd-seeded Tommy Haas beats Robin Haase in 3 sets in Vienna to earn 15th career title

Tommy Haas of Germany returns the ball to Robin Haase of the Netherlands during their final match at the Erste Bank Open tennis tournament in Vienna, Austria, Sunday, Oct. 20, 2013. (AP Photo/Hans Punz) (The Associated Press)

Robin Haase of the Netherlands returns the ball to Tommy Haas of Germany during their final match at the Erste Bank Open tennis tournament in Vienna, Austria, Sunday, Oct. 20, 2013. (AP Photo/Hans Punz) (The Associated Press)

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.