Marta Kostyuk and Iga Swiatek both cleared Friday’s third-round hurdle at Roland Garros and set up a fourth-round meeting that will test the hottest clay-court run in the draw against the tournament’s most reliable champion. Kostyuk, the No. 15 seed, beat Viktorija Golubic 6-4, 6-3. Swiatek, seeded No. 3, followed by beating Magda Linette 6-4, 6-4.
That is why Kostyuk is suddenly a name to watch at the French Open. She remains unbeaten on clay in 2026 and stretched her winning streak to 15 matches, a run that includes titles in Rouen and Madrid and a victory in Billie Jean King Cup Qualifiers. Swiatek, meanwhile, keeps doing what she has done in Paris for years: the four-time Roland Garros champion has reached the second week for the fourth time overall and the fourth round for an eighth straight year, and she has never lost before that stage.
The matchup also carries a history that keeps tilting the same way. Swiatek has won all three of her professional meetings with Kostyuk without dropping a set, including a 6-3, 6-4 win in the 2021 Roland Garros fourth round and a 6-2, 6-2 victory in Cincinnati 2024. Even with Kostyuk in fine form, the 23-year-old has to confront the fact that she has never taken a set from Swiatek, which is why she said she would be very happy even if she wins one set this time.
Kostyuk said she feels different going into this match than she did in Cincinnati nine months ago, when she felt she had lost before the match even began. She said she would like to be considered the favorite, but does not think that is the case yet, even with her long streak. She also said the result will not ruin her day or her game, and that she still wants to go out, try her best and enjoy the moment.
There is still a sharp edge to the meeting. Kostyuk has been the most in-form player of the 2026 clay swing, but Swiatek is still the most accomplished Roland Garros performer among active players and enters with a 43-3 record in Paris, a 93% win rate at the tournament and a clay record of 9-3 in 2026. She has not looked untouchable this spring — she lost to Mirra Andreeva in the Stuttgart quarterfinals, retired because of illness against Ann Li in Madrid and fell to Elina Svitolina in the Rome semifinals — but Roland Garros has been the place where those cracks usually disappear.
The next answer comes on the court when Kostyuk gets her first real chance to see whether this run can survive the player she has never solved. If she does take a set, it changes the feel of the match immediately; if she does more, it would be the biggest breakthrough of her clay season.
