Four-time major champion Osaka made it through the first set but was asked to dig deep to win a tie-break in the second.
The 23-year-old never made it past the third round on clay in Paris but looked powerful in her first round match.
Though her footwork let her down at times, the world number 2 has remained calm and composed on a surface that hasn’t always been his best.
“I would say it’s a work in progress. I hope the more I play the better,” Osaka said after winning.
No press conference
Osaka did not appear at Roland Garros in 2020, citing a hamstring injury, but has been in impressive form ever since – winning 15 consecutive Grand Slams.
However, earlier in the week, she announced on social media that she would not be attending press conferences during the French Open.
“I have often felt that people have no regard for the mental health of athletes and this rings very true every time I see or attend a press conference,” Osaka wrote.
“We often sit there and ask questions that have been asked many times before or questions that make us doubt and I just will not submit to people who doubt me.