Switzerland's Roger Federer (L) is congratulated by countryfellow Stanislas Wawrinka after Federer's victory, at the end of their semi-final match at the Swiss Indoors ATP tennis tournament, on November 5, 2011, in Basel. Federer won 7-6 (7/5), 6-2. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

Switzerland's Roger Federer (L) is congratulated by countryfellow Stanislas Wawrinka after Federer's victory, at the end of their semi-final match at the Swiss Indoors ATP tennis tournament, on November 5, 2011, in Basel. Federer won 7-6 (7/5), 6-2.  AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)