Naomi Osaka falls to Danielle Collins in U.S. Open first round

.Naomi Osaka, of Japan, reacts after missing a shot during a match 

Predictions favored Osaka prior to the match. 

.Osaka’s losses in Cincinnati and the Canadian Open

.Despite Osaka’s 3-0 lead in the first 10 minutes of the match

Osaka told WTA Tennis that she had been nervous going into the U.S. 

The four-time Grand Slam champion had won

Prior tournaments only added to the blow of losing in New York