Polish qualifier Maja Chwalinska advanced to the second round of the French Open on Monday after Olympic champion Qinwen Zheng retired during their first-round match due to a foot injury.
Chwalinska, ranked 116th in the world, won the first set 6-4 and led 4-0 in the second when Zheng stopped playing.
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Zheng, the world number 53, requested a medical timeout for a right foot problem before eventually retiring.
The 24-year-old Chwalinska made a successful Roland Garros main draw debut.
She previously reached the second round at Wimbledon in 2022 and played at the Australian Open in 2025.
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In the first set, Chwalinska built a lead before Zheng fought back to tie at 4-4.
The Polish player then regained control by forcing unforced errors from her opponent.
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The tournament draw, finalized on Friday, also schedules other Polish players for Monday action. World number one Iga Swiatek faces Emerson Jones, and Hubert Hurkacz meets Jaume Munar.
