Barclays ATP World Tour Finals - Day Seven

Roger Federer of Switzerland is congratulated by Stanislas Wawrinka of Switzerland after his victory in their men's semi final on day seven of the Barclays ATP World Tour Finals at the O2 Arena on November 21, 2015 in London, England.
(Nov. 20, 2015 - Source: Clive Brunskill/Getty Images Europe) more pics from this album »