Italian Matteo Berrettini upset third-seeded Novak Djokovic 7-6 (4), 6-2 in the first round of the Qatar ExxonMobil Open in ...
Alexandre Muller pulled off an upset by eliminating Brazilian rising star Joao Fonseca with a 6-1, 7-6 victory, securing his spot in the second round of the ATP 500 Rio Open.
João Fonseca made a triumphant entrance to his home tournament. But the ending wasn't as happy for the teenage sensation.