Xavier Malisse is a tennis coach and former Belgian tennis player, professional from 1998 to 2013, whose best singles ranking was 19th in 2002.
In total Xavier won three singles titles.
In 2004, paired with compatriot Olivier Rochus, he won Roland Garros in doubles. He retired from competitive activity on October 2, 2013 after a defeat in the first round of the challenger tournament in Mons.
Two months after retiring he became coach of compatriot Ruben Bemelmans.
He is currently Lloyd Harris' coach. Just with Harris Malisse returned to the tour to play the European Open in Antwerp in 2021, losing in the semifinals.
In 2002 he went all the way to the semifinals of Wimbledon, taking Argentine David Nalbandian to a fifth set, in a match that saw him suffer from tachycardia.