Rafael Nadal has been forced to withdraw from his matches in the Laver Cup on Sunday after suffering a wrist injury, tournament bosses have confirmed.
In an announcement on Twitter, the tournamentsaid: "Following consultation with the Laver Cup competition doctor Rafael Nadal has withdrawn from his matches today due to a wrist injury."
Nadal, who won his fourth US Open earlier this month, had been due to compete for Team Europe against Nick Kyrgios and with Roger Federer in the doubles competition.
The tournament's announcement confirmed that, in line with the rules, Stefan Tsitsipas would play alongside Federer instead, while COminic Thiem would take the Spaniard's place against Kyrgios.
The news will come as a blow for Team Europe, who lost two matches yesterday, but remain two points ahead on seven against Team World's five.