Four-time Grand Slam champion, ex-first racket of the world, Japanese tennis player Naomi Osaka failed to get into the second round of the WTA-1000 category tournament in Cincinnati (USA). In the opening match, Osaka lost to Chinese representative Zhang Shuai with a score of 4:6, 5:7. The meeting lasted 1 hour and 15 minutes. Osaka filed 10 times right through, made two double faults and converted one break point out of four. Shuai filed right through four times, made one double fault and converted three out of four break points. In the next round, Shuai will face Russian tennis player Ekaterina Aleksandrova. The prize fund of the women’s tournament in Cincinnati amounted to $2,527,250. Its current champion is Australian Ashleigh Barty, who retired at the beginning of the season.