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GENEVA, SWITZERLAND - SEPTEMBER 22: The Laver Cup sign during Day 3 of the Laver Cup 2019 at Palexpo on September 22, 2019 in Geneva, Switzerland. The Laver Cup will see six players from the rest of the World competing against their counterparts from Europe. Team World is captained by John McEnroe and Team Europe is captained by Bjorn Borg. The tournament runs from September 20-22. (Photo by RvS.Media/Monika Majer/Getty Images)

GENEVA, SWITZERLAND - SEPTEMBER 22: The Laver Cup sign during Day 3 of the Laver Cup 2019 at Palexpo on September 22, 2019 in Geneva, Switzerland. The Laver Cup will see six players from the rest of the World competing against their counterparts from Europe. Team World is captained by John McEnroe and Team Europe is captained by Bjorn Borg. The tournament runs from September 20-22. (Photo by RvS.Media/Monika Majer/Getty Images)