R16 Roland Garros 2026

Marta Kostyuk #15 def. Iga Swiatek #3

7-5 6-1

Marta Kostyuk defeated Iga Swiatek 7-5 6-1 in the 2026 Roland Garros fourth round on clay courts on May 31, 2026.

Match Information

Match Statistics

StatMarta KostyukIga Swiatek
Serving
AcesServes that land in and are not touched by the returner.
50
Double faultsService points lost by missing both first and second serve.
45
First serve %Percentage of service points where the first serve landed in.
65.4%65.5%
First serve points won %Percentage of points won after making a first serve.
64.7%44.7%
Second serve points won %Percentage of second-serve points won, including points lost through double faults.
44.4%35.0%
Break points saved %Percentage of break points won by the server.
66.7%33.3%
Service points won %Percentage of all points won while serving.
57.7%41.4%
Returning
Break points converted %Percentage of break-point chances won by the returner.
66.7%33.3%
Return points won %Percentage of all points won while returning.
58.6%42.3%
Overall
Total points won %Percentage of all completed points won.
58.1%41.9%
Match Serve+This match’s service points won percentage minus the tour’s season average, in percentage points. Zero is average; +5 means five points above average. Match-weighted available stats; no opponent adjustment.
+0.8-15.5
Match Return+This match’s return points won percentage minus the tour’s season average, in percentage points. Zero is average; +5 means five points above average. Match-weighted available stats; no opponent adjustment.
+15.5-0.8

* Match Serve+ and Match Return+ compare this match with the WTA 2026 average from available match stats. Zero is average; +5 means five percentage points above average. No opponent adjustment.

Win Probability

How the market's view of each player's chances changed through the match.

Source: Polymarket (opens in a new tab)

Focus the chart and use the left and right arrow keys to inspect probability updates.

Player Comparison

FieldMarta KostyukIga Swiatek
Country UKR POL
Birth dateJun 28, 2002May 31, 2001
Age2325
Height175 cm176 cm
HandednessRight-HandedRight-Handed
Backhand styleTwo-Handed BackhandTwo-Handed Backhand
Ranking (entering)153
Ranking points (entering)2,3877,273
Elo (entering)2,0632,097
Current career W-L162–120347–90
Current career earnings$11,168,749$47,942,729
Pre-match H2H
Marta Kostyuk #15 0 – 3 Iga Swiatek #3

Path

Marta Kostyuk's path

OpponentScoreW-LH2HMatch DataDateRound
Viktorija Golubic #826-4 6-3WH2HMatch dataMay 29, 2026R32
Katie Volynets #1086-7(4) 6-3 6-3WH2HMatch dataMay 27, 2026R64
Oksana Selekhmeteva #886-2 6-3WH2HMatch dataMay 24, 2026R128

Marta Kostyuk's next match

OpponentScoreW-LH2HMatch DataDateRound
Elina Svitolina #76-3 2-6 6-2WH2HMatch dataJun 2, 2026QF

Iga Swiatek's path

OpponentScoreW-LH2HMatch DataDateRound
Magda Linette #736-4 6-4WH2HMatch dataMay 29, 2026R32
Sara Bejlek #356-2 6-3WH2HMatch dataMay 27, 2026R64
Emerson Jones #1366-1 6-2WH2HMatch dataMay 25, 2026R128