Intro:

Stanislas Wawrinka of Switzerland beat Canada's Vasek Pospisil in the Chennai Open semi-final on Saturday after Pospisil was forced to retire due to injury. Wawrinka will now play Frenchman Edouard Roger-Vasselin in the Indian final on Sunday.

Script:

Switzerland's Stanislas Wawrinka went head to head with Vasek Pospisil of Canada on Saturday for a place in the Chennai Open final.

Wawrinka won the first set 6-4 with this forehand winner.

In the second set, Pospisil fought back to break the Indian tournament favourite and draw level with four games each.

But the 23-year-old pulled up after this serve and was forced to retire, forfeiting the victory to Wawrinka.

The world number eight will play Frenchman Edouard Roger-Vasselin in the final on Sunday.