The umpire immediately made a let call ... the 21-year-old thrice as the crowd at the Rod Laver Arena began to boo the Spaniard. The commentator agreed with Alcaraz, saying, "He is not happy ...

The Spaniard failed to control his emotions as he angrily questioned a decision towards the umpire during his 6-4, 4-6, 4-6, 4-6 loss to Novak Djokovic. Alcaraz's frustration boiled over in the ...