French Open · R16 · Clay · best of 3 · May 31, 2026, 11:10 AM UTC

Iga Swiatek vs. Marta Kostyuk — result and pick review

By The Maiden Desk · May 31, 2026

Every pick below gets graded after the match — wins and misses both stay up.

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Result

✗ Pick wrong

Marta Kostyuk won 7-5 6-1 · May 31, 2026, 12:58 PM UTC

Graded: incorrect. We had Iga Swiatek at 60%, but Marta Kostyuk won 7-5 6-1. This one goes in the ledger — every miss stays on the record.

Iga Swiatek and Marta Kostyuk meet in the round of 16 at French Open on Sunday. Iga Swiatek has won 3 in a row and 8 of the last 10 overall. Marta Kostyuk has won 7 in a row and 9 of the last 10 overall.

Iga Swiatek has had the better of this rivalry, winning 4 of 5 against Marta Kostyuk. On clay they're dead even at 1-1 — worth more than the overall number this week.

The underlying stats are tight across the board — this is a matchup decided by a handful of points. Expect resistance, but the match-level math tilts clearly toward Swiatek.

The numbers behind the pick

Surface ratings

Clay rating

Iga Swiatek

2020

Marta Kostyuk

2102

Overall rating

Iga Swiatek

2048

Marta Kostyuk

2172

Serve

Serve (last 52 weeks)	Iga Swiatek	Marta Kostyuk
1st serve in	62.8%	59.6%
1st serve points won	64.6%	63.3%
2nd serve points won	48.7%	42.9%

Form

Iga Swiatek

8–2

Marta Kostyuk

9–1

Head to head

Iga Swiatek leads the head-to-head 4-1. On clay: level at 1-1.

Full Swiatek vs Kostyuk history →

Frequently asked questions

Who won Iga Swiatek vs Marta Kostyuk at French Open?: Marta Kostyuk won 7-5 6-1.
Was the Iga Swiatek vs Marta Kostyuk prediction correct?: Graded: incorrect. We had Iga Swiatek at 60%, but Marta Kostyuk won 7-5 6-1. This one goes in the ledger — every miss stays on the record.
What is the head-to-head record between Iga Swiatek and Marta Kostyuk?: Iga Swiatek leads the head-to-head 4-1. On clay: level at 1-1.