Federer to face del Potro in Swiss Indoors final

GRAHAM DUNBAR (AP Sports Writer)
The Associated Press
Federer to face del Potro in Swiss Indoors final
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Argentina's Juan Martin Del Potro reacts during his semifinal match against France's Edouard Roger-Vasselin at the Swiss Indoors tennis tournament at the St. Jakobshalle in Basel, Switzerland, on Saturday, Oct. 26, 2013. (AP Photo/Keystone,Georgios Kefalas)

BASEL, Switzerland (AP) -- Roger Federer earned a rematch with Juan Martin del Potro for his hometown Swiss Indoors title by beating Vasek Pospisil in a tight semifinal on Saturday.

Federer advanced to his eighth straight Basel final with a 6-3, 6-7 (3), 7-5 win against the 40th-ranked Canadian.

The sixth-ranked Federer faltered when serving for the match at 5-3 in the second set, and fell 3-1 behind in the third before rallying.

Earlier, defending champion del Potro also let the second set slip away against an unseeded opponent before beating Edouard Roger-Vasselin of France 6-4, 4-6, 6-2.

If Federer wins Sunday, he'll secure his place at the ATP Finals in London.