More pictures of Federer and Nadal's match on water

Of all the ways tennis tournaments have promoted events -- on rooftops, on boats, on bridges -- the "match" between Rafael Nadal and Roger Federer in the middle of Doha Bay was the most innovative.

Courtesy the ATP, here are a few more pictures of the exhibition. Notice that Federer is still wearing his regular Nike sneakers and has his socks pulled just as high as usual. That's a team player.

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