Moyuka Uchijima of Japan was defeated by the world number two in just sixty-two minutes on Court Philippe Chatrier, 6-2 6-2.
That triumph came after Erika Andreeva’s first win, in which she dropped just three games.
Sabalenka’s next opponent might be Yulia Putintseva of Kazakhstan or Paula Badosa of Spain, who ended the tournament of British number one Katie Boulter.
Elena Rybakina, the fourth seed and probable opponent in the semifinals, overcame a 4-2 deficit in the second set to win a straight set on Thursday as well.
Arantxa Rus of the Netherlands lost to Kazakh Rybakina, the 2022 Wimbledon winner, 6-3, 6-4 on Court Suzanne.
Sabalenka has advanced to at least the semi-finals in each of her previous six Grand Slam tournaments. In 2023, she made it to the final four at Roland Garros.
The 26-year-old Belarusian produced 27 wins in an efficient victory against her 83rd-ranked opponent by combining her signature power with deliberate drop shots.
After successfully defending her Australian Open title at the start of the year, Sabalenka advanced to the clay-court finals of the Madrid Open and the Italian Open to get ready for the French Open.
