STATS
Tennis/Swiatek I./v Kostyuk M.
4-1
I. leads 4-1, 5 meetings, 2021 to 2026, 1 walkover not counted

01/By surface

each with its own count, at equal weight
Hard
3-0
I. leads 3-0 in 3 meetings on hard
Clay
1-1
Level 1-1 in 2 meetings on clay
Grass
Never on grass
no meeting on this surface

02/Every meeting

6 rows, newest first
DateTournamentSurfaceRoundWinnerScore, winner firstRanks, I. first
Aug 8, 2026Canadian OpenWTA1000hard4th roundSwiatek I.3-6, 6-1, 6-28 v 11
May 31, 2026French OpenGrand Slamclay4th roundKostyuk M.7-5, 6-13 v 15
Aug 11, 2025Western & Southern Financial Group Women's OpenWTA1000hard3rd roundSwiatek I.walkover, not countedno set played3 v 27
Aug 16, 2024Western & Southern Financial Group Women's OpenWTA1000hard3rd roundSwiatek I.6-2, 6-21 v 21
Mar 15, 2024BNP Paribas OpenWTA1000hardsemifinalSwiatek I.6-2, 6-11 v 32
Jun 7, 2021French OpenGrand Slamclay4th roundSwiatek I.6-3, 6-49 v 81

A record, never a share of meetings. Main-draw singles since 2013; a meeting ended by retirement is counted with the sets that were played and marked; a walkover is listed and counted in neither column. Swiatek I. and Kostyuk M. each carry the table against every opponent faced.