epa10202789 Team Europe player Roger Federer (L) of Switzerland sitting next to doubles partner Rafael Nadal of Spain after losing their match against Team World double Jack Sock of the US and Frances Tiafoe of the US on the first day of the Laver Cup tennis tournament in London, Britain, 23 September 2022. The match was Federer's last game before retirement. EPA-EFE/ANDY RAIN

epaselect epa10202808 Team Europe player Roger Federer (seated) of Switzerland is applauded by teammates (from L) Rafael Nadal of Spain, Team Europe vice captain Thomas Enqvist of Sweden, Novak Djokovic of Serbia, Cameron Norrie of Great Britain, Matteo Berrettini of Italy and Stefanos Tsitsipas of Greece after playing the doubles match with Nadal against Team World double Jack Sock of the US and Frances Tiafoe of the US on the first day of the Laver Cup tennis tournament in London, Britain, 23 September 2022. The match was Federer's last game before retirement. EPA-EFE/ANDY RAIN

epaselect epa10202805 Team Europe player Roger Federer (R) of Switzerland is interviewed on court by Jim Courier after his doubles match with Rafael Nadal of Spain against Team World double Jack Sock of the US and Frances Tiafoe of the US on the first day of the Laver Cup tennis tournament in London, Britain, 23 September 2022. The match was Federer's last game before retirement. EPA-EFE/ANDY RAIN

23 September 2022, United Kingdom, London: Team Europe's Roger Federer is lifted up by both teams after his final competitive match on day one of the Laver Cup at the O2 Arena. Photo: John Walton/PA Wire/dpa

23 September 2022, United Kingdom, London: Team Europe's Rafael Nadal from Spain (R) and Roger Federer from Switzerland in action against Team World's Frances Tiafoe and Jack Sock from USA on day one of the Laver Cup at the O2 Arena. Photo: John Walton/PA Wire/dpa

23 September 2022, United Kingdom, London: Team Europe's Rafael Nadal from Spain (L) and Roger Federer from Switzerland practice on day one of the Laver Cup at the O2 Arena. Photo: John Walton/PA Wire/dpa

23 September 2022, United Kingdom, London: Swiss tennis player Roger Federer reacts after his final competitive match on day one of the Laver Cup at the O2 Arena. Photo: John Walton/PA Wire/dpa