Del Potro defeats Federer to retain Basel title
Argentina's Juan Martin Del Potro celebrates after he won against Switzerland's Roger Federer his final match at the Swiss Indoors ATP tennis tournament in Basel on October 27, 2013
The re-run of last year's title match which ended with a similar result took two hours, 20 minutes with Federer sealing his fate at the start of the third set by dropping serve as he delivered two double faults in the opening game.
The Swiss third seed had the chance to clinch his spot in the World Tour Finals starting in eight days in London but will now have to wait until play next week as the ATP regular season closes at the Paris Masters.
Del Potro now owns four titles this season and has defeated Federer in their last three matches.