French Open · R64 · Clay · best of 3 · May 27, 2026, 2:30 PM UTC

Katie Volynets vs. Marta Kostyuk — result and pick review

By The Maiden Desk · May 27, 2026

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

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Result

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Marta Kostyuk won 6-7 6-3 6-3 · May 27, 2026, 5:31 PM UTC

Graded: correct. Our final pre-match number was 85% on Marta Kostyuk, and Marta Kostyuk won 6-7 6-3 6-3.

Wednesday's French Open round of 64 pits Katie Volynets against Marta Kostyuk on clay. Marta Kostyuk has won 5 in a row and 9 of the last 10 overall. Katie Volynets comes in at 3 wins from the last ten.

Nothing separates them historically — the head-to-head sits at 1-1. On clay specifically it reads 1-0 Kostyuk — worth more than the overall number this week.

The serve is where this match separates: Kostyuk has been winning 63.3% of first-serve points to Volynets's 57%, and on clay that gap compounds fast. Anything other than a Kostyuk win would rank among the bigger surprises of the week.

The numbers behind the pick

Surface ratings

Clay rating

Katie Volynets

1589

Marta Kostyuk

2102

Overall rating

Katie Volynets

1661

Marta Kostyuk

2172

Serve

Serve (last 52 weeks)	Katie Volynets	Marta Kostyuk
1st serve in	75.5%	59.6%
1st serve points won	57%	63.3%
2nd serve points won	44.4%	42.9%

Form

Katie Volynets

3–7

Marta Kostyuk

9–1

Head to head

The head-to-head is level at 1-1. On clay: 1-0 Marta Kostyuk.

Full Volynets vs Kostyuk history →

Frequently asked questions

Who won Katie Volynets vs Marta Kostyuk at French Open?: Marta Kostyuk won 6-7 6-3 6-3.
Was the Katie Volynets vs Marta Kostyuk prediction correct?: Graded: correct. Our final pre-match number was 85% on Marta Kostyuk, and Marta Kostyuk won 6-7 6-3 6-3.
What is the head-to-head record between Katie Volynets and Marta Kostyuk?: The head-to-head is level at 1-1. On clay: 1-0 Marta Kostyuk.