Argentina's Francisco Cerundolo says goodbye to captain Björn Borg after winning his match against Norway's Casper Ruud during their men's singles Laver Cup tennis match at the Uber Arena in Berlin, Germany, Friday Sept. 20, 2024. (Andreas Gora/dpa via AP)

Team Europe's Grigor Dimitrov reacts during his singles tennis match against team World's Alejandro Tabilo on the first day of the Laver Cup tennis tournament at the Uber arena in Berlin, Germany, Friday, Sept. 20, 2024. (AP Photo/Ebrahim Noroozi)

Casper Ruud returns a ball to Argentina's Francisco Cerundolo during their men's singles Laver Cup tennis match at the Uber Arena in Berlin, Germany, Friday Sept. 20, 2024. (Andreas Gora/dpa via AP)

Team World's Francisco Cerundolo returns during his singles tennis match against team Europe's Casper Ruud on the first day of the Laver Cup tennis tournament at the Uber arena in Berlin, Germany, Friday, Sept. 20, 2024. (AP Photo/Ebrahim Noroozi)

Team World's Alejandro Tabilo returns the ball during his singles tennis match against team Europe's Grigor Dimitrov on the first day of the Laver Cup tennis tournament at the Uber arena in Berlin, Germany, Friday, Sept. 20, 2024. (AP Photo/Ebrahim Noroozi)

Team Europe's Carlos Alcaraz, left, and Alexander Zverev slap hands during a doubles match against Team World's Ben Shelton and Taylor Fritz on the first day of the Laver Cup tennis tournament at the Uber arena in Berlin, Germany, Friday, Sept. 20, 2024. (Andreas Gora/dpa via AP)

Team Europe's Stefanos Tsitsipas returns a ball during his singles tennis match against team World's Thanasi Kokkinakis on the first day of the Laver Cup tennis tournament at the Uber arena in Berlin, Germany, Friday, Sept. 20, 2024. (AP Photo/Ebrahim Noroozi)

Team World's Ben Shelton, left, and Taylor Fritz confer during a doubles match against Team Europe's Carlos Alcaraz and Alexander Zverev on the first day of the Laver Cup tennis tournament at the Uber arena in Berlin, Germany, Friday, Sept. 20, 2024. (Andreas Gora/dpa via AP)