Iga Swiatek loses to Marta Kostyuk at French Open on her birthday
The Guardian Sport • 2 min read • Latest: May 31, 2026, 11:43 AM
Last updated May 31, 2026

Iga Swiatek, the No. 3 seed, was defeated by 15th seed Marta Kostyuk, 7-5, 6-1, during the fourth round of the French Open on her 25th birthday. This match marked a significant downturn in Swiatek's performance, contrasting sharply with her previous successes at Roland Garros. Known for her dominance on this court, Swiatek's loss ends her run in the tournament, raising questions about her current form and confidence. Kostyuk advances in the competition, continuing her bid for a title.
- •Swiatek loses to Kostyuk 7-5, 6-1 in fourth round
- •Match held at Roland Garros on Swiatek's birthday
- •Kostyuk advances to the next round of the tournament
- •Swiatek previously won four French Open titles
- 11:43 AMThe Guardian Sport — Iga Swiatek has an unhappy birthday after falling to Kostyuk at French Open
"No 3 seed goes down 7-5, 6-1 to Ukrainian 15th seed Pole becomes latest big-name Roland Garros casualty For such a large proportion of Iga Swiatek’s career, Court Philippe-Chatrier at Roland Garros has been her fortress. No matter the résumé of the opponent before her, the significance of the occasion or even how badly she might have been feeling on court, she always found a way through. By the time she won her fourth French Open title in five years – her third in succession – Swiatek seemed invincible on this court. It has been only two years since the six-time grand slam champion last tasted success in Paris, yet on a mercifully cool Sunday afternoon, it felt as if that version of Swiatek was from a different dimension as the Pole put together the worst performance of her career in Paris. Her serve and confidence collapsing at once, Swiatek suffered a miserable 7-5, 6-1 defeat on her 25th birthday to the 15th seed, Marta Kostyuk, ending her run in the fourth round. Continue reading...
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