No. 1 seed del Potro reaches Erste finals

Oct. 20, 2012 at 1:50 PM

VIENNA, Oct. 20 (UPI) -- Top-seeded Juan Martin del Potro battled to a win over Gilles Muller Saturday to advance to finals of the Erste Bank Open in Vienna.

Del Potro beat Muller 7-6 (7-4), 7-6 (7-4) to earn a berth in Sunday's championship match against qualifier Grega Zemlja of Slovenia, who upset second-seeded Janko Tipsarevic in the other semifinal match Saturday.

It will be the second consecutive year Del Potro has reached the Erste Bank finals. He lost last year to Jo-Wilfried Tsonga.

Zemlja, who ousted No. 3 seed Tommy Haas earlier in the tournament, kept his hot streak going with a 3-6, 7-6 (7-5), 6-2 victory over Tipsarevic, who lost in the Vienna semifinals for the second year in a row.

The loss could cost Tipsarevic a trip to the ATP World Tour Finals. He began the week ranked ninth in the world and the finals field is limited to the top eight players.

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