Sport: the best pictures from the last 24 hours

Novak Djokovic of Serbia returns a shot during his round-robin match against Nikolay Davydenko of Russia in the Masters Cup. Djokovic won 7-6 (7-3), 0-6, 7-5 to qualify for the semi-finals Photograph: China Photos/Getty Images

Andy Murray returns the ball against Gilles Simon of France during the 2008 Tennis Masters Cup in Shanghai. Murray won comfortably 6-4, 6-2 to book his place in the last four Photograph: Bullit Marquez/AP

American golfer Phil Mickelson is silhouetted against a vivid skyline during the Singapore Open at Sentosa Golf Club Photograph: Ian Walton/Getty Images

Splattered with mud as he crosses the finish line, Dutch cyclist Lars Boom wins the second GVA Trophy race Photograph: PETER DECONINCK/EPA

Bizarre as it may look, camel polo is a new sport being promoted in Dubai Photograph: Kamran Jebreili/AP

Cyclists Robert Bartko, left, and Iljo Keisse compete in the final race of tthe Munich Six-Day competition in the Olympic hall, Munich Photograph: Christof Stache/AP