Top 10 upsets in Grand Slam tennis since 2000

#9 Sergei Stakhovsky beats Roger Federer at Wimbledon 2013

It was supposed to be a routine second round match for 7-time Wimbledon champion Roger Federer.

Instead, it turned out to be the biggest upset of the tournament, with little known Ukranian Sergei Stakhovsky beating the defending champion in 4 sets by playing some old school serve and volley tennis.

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