The tenth racket of the world, Russian Daria Kasatkina, lost to Australian Kimberly Birrell, who ranks 289th in the WTA rating, with a score of 7/5, 4/6, 6/7 (3) at the start of the tournament in Brisbane. The match lasted 3 hours and 6 minutes. During this time, the 21-year-old Kasatkina completed eight aces, made a mistake ten times when serving and sold five break points, and the 20-year-old Birrell served twice, made seven double mistakes and made five breaks. This was the first official meeting of tennis players. In the second round of the Brisbane International competition, Birrell will play with Ukrainian Lesya Tsurenko.