Acceding to the request of Beijing
Olympic gold medallist and last year`s finalist Stanislas Wawrinka from Switzerland, organisers of the 2011 Aircel ATP
Chennai Open, awarded one of the
wild cards to the world number 21.
No-one knows the importance of a killer instinct in tennis more than Roger Federer, but even the Swiss maestro accepts it will be tough to keep his feelings in check when he faces great friend Stanislas Wawrinka on Sunday.