A nightmare day unfolded for Team Europe at the Laver Cup as Team World took control, starting with Taylor Fritz upsetting world number one Carlos Alcaraz.
Team Europe hold a 3-1 lead over Team World after the opening day of the eighth edition of the Laver Cup in San Francisco, with Jakub Mensik emerging as the star of Friday's action.
Norwegian superstar Casper Ruud will walk out for Team Europe for a fifth consecutive time in September's Laver Cup.
Spanish superstar Carlos Alcaraz completed the comeback as Europe triumphed 13-11 over the rest of the world team to claim the Laver Cup in Berlin on Sunday.
Carlos Alcaraz was beaten in doubles as Europe ended the first day of the Laver Cup level with the rest of the world team.