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.
Aryna Sabalenka is confident she will be as dominant at Wimbledon and the French Open as she was at the Australian Open, where she was crowned champion for the second year in a row.
Dayana Yastremska - who had to battle through qualifiers for the grand slam - defeated Linda Noskova to reach the Australian Open semi-finals on Wednesday.
Coco Gauff came through a three-hour battle with Ukraine's Marta Kostyuk to reach the semi-finals of the Australian Open for the first time.
Elina Svitolina lasted just three games of her fourth-round clash with Linda Noskova before she retired hurt at the Australian Open on Monday.