The action is getting hotter and scintillating in terms of securing the remaining berths in the ATP World Tour Finals. Five places have been already taken by Roger Federer, Novak Djokovic, Andy Murray, Rafael Nadal and David Ferrer. Tomas Berdych, Juan Martin del Potro and Jo-Wilfried Tsonga, who are in contention to qualify for the ATP World Tour Finals will be in action on Sunday. The ATP World Tour Finals tournament will be held at The O2 in London next month.

Tomas Berdych is currently ranked as World No. 6 in the world, will take on World No. 8 Jo-Wilfried Tsonga in the If Stockholm Open. On the other hand, World No. 7 Juan Martin Del Potro will take on qualifier Grega Zemlja in the Erste Bank Open final in Vienna. Zemlja upset No. 9-ranked Janko Tipsarevic in the semi-finals on Saturday.

The ATP World Tour Finals will be held in London from 5-12 November. Only two weeks are left in the completion of the regular ATP World Tour season, including tournaments at the Swiss Indoors Basel, the Valencia Open 500 and the ATP World Tour Masters 1000 tournament in Paris. Thus, all these London hopefuls would be looking forward to secure their berths in this elite-eight tournament by mustering as much points as possible in these remaining tournaments.