Roger Federer and Rafael Nadal say they plan to play doubles together when the Laver Cup debuts next year.
With a combined 31 major titles, Federer and Nadal have committed to the inaugural event, which is an attempt to create a tennis version of golf’s Ryder Cup.
Named to honour Australian tennis great Rod Laver, the competition was first announced in January.
A team of European players will face off against a group from the rest of the world in Prague from September 22-24, 2017.
Former rivals Bjorn Borg (Europe) and John McEnroe (World team) were announced on Wednesday as captains.