Japanese wildcard Mai Hontama advanced to the last eight of the Kinoshita Group Japan Open Tennis Championships by defeating Argentinian Nadia Podoroska, the No 5 seed, 6-3, 6-3 on Wednesday.
Hontama, ranked No 176, will face the winner of the match between Dutch qualifier Arianne Hartono and Hungarian Panna Udvardy next.
The Japanese won against Su Jeong Jang (7-5, 0-6, 6-2) in the previous round.
In the 32, Podoroska, ranked No 71, edged out Chinese Yue Yuan (6-4, 3-6, 7-5).
Source : Tennis Majors