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Fourth seeds Coco Gauff and Jannik Sinner, along with home hope Alex de Minaur and world number 11 Barbora Krejcikova progressed.
Wozniacki said she would first play at the Canadian Open in Montreal in August before targeting the US Open while her long-term goal is the 2024 Olympics in Paris.
Caroline Wozniacki's honeymoon on grass was short-lived as she became the 11th women's seed to fall on the first three days at Wimbledon.
Caroline Wozniacki said that the three-set grinder against Ons Jabeur was a fitting end to her career.
The win improved Rafael Nadal's Roland Garros record to 87-2.
Diagnosed with rheumatoid arthritis at the end of last season, Wozniacki has struggled for consistency this term.
The 29-year-old, who triumphed in Melbourne last year, said her retirement had nothing to do with her health and that she wanted to accomplish more in life off the court with her husband David Lee, a professional basketball player.
Five-time Grand Slam champion Sharapova, who won her last major at the 2014 French Open, hit 37 winners against 10 from her opponent and converted her second matchpoint to set up a fourth round clash with Australian No. 1 Ashleigh Barty.
Results 1-8