Naomi Osaka was left to rue missed opportunities as veteran Karolina Pliskova edged her in the Qatar Open quarter-finals on Thursday night.
Naomi Osaka has reached the quarter-finals at a tournament for the first time in nearly two years.
Naomi Osaka was eliminated in her opening match at the Abu Dhabi Open, as Danielle Collins handed her a straight-sets defeat.
Former world number one Naomi Osaka is under no illusions as to the challenge that awaits her if she is to return to the upper echelons of women's tennis.
Naomi Osaka showed plenty of encouraging signs as she went down in two tight sets to Caroline Garcia on her return to the Australian Open stage.
While Naomi Osaka is a two-time Australian Open champion, she doesn't want to get ahead of herself in her grand slam return Down Under.