Roger Federer is unbeatable this year at Australian Open. World Nr. 1 defeat Nikolay Davydenko with
2-6 6-3 6-0 7-5 (maybe one of the few players who can hope to beat Federer in a match) and is very close to achieve his 16th Grand Slem trophy.

The Russian had 6-2 and 3-1, but Federer realized a great come back with an unbelievable series: 12 winning games in a row.

Next opponent for Roger Federer is Tsonga (semi-finals).