Ukrainian Marta Kostyuk, the No 16 seed, advanced to the last 16 of the Brisbane International presented by ANZ by winning against Kazakh lucky loser Yulia Putintseva 6-7 (5), 6-1, 6-0 on Wednesday.
Kostyuk, ranked No 26, will play the winner of the match between Australian wildcard Kimberly Birrell and American Amanda Anisimova, the second seed, next.
In the previous round, Putintseva, ranked No 74, beat American Hailey Baptiste (6-2, 6-4).