Roger Federer and Rafael Nadal plan to play doubles together when the Laver Cup begins in tennis next year.
The pair have a combined 31 grand slam singles titles between them and have committed to the inaugural teams event
Viewed as tennis's answer to the Ryder Cup in golf, Federer and Nadal will play for Europe against a rest of the world team.
Bjorn Borg has been announced as Europe captain, with John McEnroe to lead the World team.