Sergiy Eduardovych Stakhovsky (Ukrainian: ?????? ?????????? ???????????, pronounced [ser'?ij st?'x?u?s?k?j]; born January 6, 1986) is a Ukrainian professional tennis player.
Stakhovsky turned professional in 2003 and had been playing mostly at the Challenger level from 2005–2008.
His career-high singles ranking is World No.
31 (September 2010) and he has reached as high as No.
33 in doubles the same month.
He won his first career title in March 2008, as a lucky loser ranked no.
209, defeating top seed Ivan Ljubicic in the final, thus becoming the first lucky loser to win a title since Christian Miniussi in 1991.
He is the elder brother of tennis player Leonard Stakhovsky.
He is currently coached by Fabrice Santoro.
He is well known for beating eight-time winner and defending champion Roger Federer in the 2nd round of the 2013 Wimbledon Championships ending his record run of 36 consecutive Grand Slam quarterfinals.