Year-end ATP finals candidates Jo-Wilfried Tsonga and Juan Martin Del Potro will square off in Sunday's Austrian Open title match with each hoping to improve his standing and qualify for November's season wrap-up in London.

Top seed Tsonga defeated German qualifier Daniel Brands 6-2, 7-6 (7/4) in a semi-final lasting 82 minutes.

Number two Del Potro hammered 18 aces as he won a battle of serve with South African Kevin Anderson 6-4, 3-6, 6-4.