Kostyuk stuns Swiatek 7-5, 6-1 to reach first French Open QF
Synopsis
Marta Kostyuk's 7-5, 6-1 demolition of four-time Roland Garros champion Iga Swiatek is the biggest upset of this year's French Open — and the clearest sign yet that the 22-year-old Ukrainian, riding a 16-match clay winning streak, is no longer just a contender on the surface. She is a threat at the very top.
Key Takeaways
Marta Kostyuk defeated Iga Swiatek 7-5, 6-1 at Roland Garros on 1 June 2025 .
It is Kostyuk's first French Open quarter-final and her first career win over Swiatek in four meetings .
Kostyuk extended her clay-court winning streak to 16 matches , having also won titles in Rouen and Madrid this season.
Swiatek committed 39 unforced errors against just 13 winners and her first-serve percentage fell below 50% .
Kostyuk next faces either Belinda Bencic or Elina Svitolina in the quarter-finals.
Marta Kostyuk produced one of the standout upsets of Roland Garros 2025 on Sunday, 1 June, dismantling four-time champion Iga Swiatek in straight sets to reach her maiden French Open quarter-final. The 15th-seeded Ukrainian won 7-5, 6-1, ending Swiatek's hopes of another deep Paris run and extending her own clay-court winning streak to 16 matches.
How the Match Unfolded
The opening set appeared to be following a familiar script. Swiatek, the dominant force on Parisian clay, earned an early break midway through the first set and moved ahead 5-4 with the chance to serve out. Momentum seemed firmly in the Pole's favour — until it wasn't.
Kostyuk broke back immediately and, with Swiatek serving to stay in the set at 5-6, a pair of costly double faults handed the initiative to the Ukrainian. Kostyuk pounced, sealing the opener with a stunning backhand winner.
Second Set: Kostyuk in Total Control
The first-set breakthrough proved decisive. Although Swiatek managed an early break in the second set, she struggled to find rhythm behind her serve — her first-serve percentage dipped below 50 percent and unforced errors mounted steadily. Kostyuk reeled off six consecutive games, dictating from the baseline with powerful forehands and clean ball-striking on both wings.
By the closing stages, Swiatek was visibly frustrated. She finished the match with just 13 winners against a damaging 39 unforced errors — a combination that proved impossible to overcome against an opponent playing with supreme confidence.
What the Win Means for Kostyuk
The victory is Kostyuk's first over Swiatek in four career meetings and arguably the biggest result of her career to date. Having already claimed titles in Rouen and Madrid this season, the 22-year-old now stands just one win away from a maiden Grand Slam semifinal.
Notably, this is the third major clay-court scalp of her 2025 campaign, underscoring a transformation that has made her one of the most dangerous players on the surface this year.
Quarter-Final Ahead
Kostyuk will next face either Belinda Bencic or fellow Ukrainian Elina Svitolina in the quarter-finals. A win there would put her in uncharted Grand Slam territory — and cement her status as a genuine title contender at Roland Garros.
Point of View
And conflating the two would misread the match. That said, Kostyuk's 16-match clay streak is not noise: she has beaten top-10 opposition consistently this season, and her aggressive baseline game is structurally suited to slow clay. The deeper question is whether Swiatek's serve — below 50% first-serve on Sunday — is a one-day aberration or a crack that opponents will now target. If it is the latter, the Roland Garros title race just opened up considerably.
NationPress
12 Aug 2026
Frequently Asked Questions
What was the scoreline of Kostyuk's win over Swiatek at Roland Garros 2025?
Marta Kostyuk defeated Iga Swiatek 7-5, 6-1 in the fourth round of Roland Garros 2025 on 1 June. The result ended Swiatek's bid for a fifth French Open title.
How significant is Kostyuk's clay-court winning streak in 2025?
Kostyuk entered the match on a 16-match clay-court winning streak, having claimed titles in Rouen and Madrid earlier in the season. The run marks her emergence as one of the most formidable clay-court players on the women's tour in 2025.
Who will Kostyuk face in the Roland Garros quarter-finals?
Kostyuk will face either Belinda Bencic or fellow Ukrainian Elina Svitolina in the quarter-finals. A win would put her in her first Grand Slam semifinal.
Why did Swiatek lose to Kostyuk at the French Open?
Swiatek struggled with her serve — her first-serve percentage dropped below 50% — and committed 39 unforced errors against just 13 winners. Kostyuk's aggressive baseline game and relentless court coverage prevented the four-time champion from establishing any rhythm.
Has Kostyuk beaten Swiatek before?
Sunday's victory was Kostyuk's first win over Swiatek in four career meetings, making it the most significant result of her career to date.
