Marta Kostyuk - Tatjana Maria

RouenFinished

Marta Kostyuk

#28

Tatjana Maria

#63

Saturday, April 18, 2026 at 13:30

Finished Snapshot

FT2-0

FinishedSettled

Sets

6-3 · 6-0

Predictions

7W · 0L · 0P

Edges

3W · 1L · 0P

Quick Take

Kostyuk is correctly favored over Maria (2-0 H2H, #28 vs #63, 4-0 clay 2026), but her 1.05 odds overstate certainty at 95% implied when recent injuries and 3-set fatigue suggest ~88% true probability; best value exists in Set 1 Winner (1.10, 4pt edge) and Total Sets=3 (4.00, +5pt...

Total GamesUnder (18.5)58%+2.4pp

Total Sets330%+5.0pp

Set 1 WinnerMarta Kostyuk0.87%+4.0pp

Context Signals

totalSets — 3

HIGHMixed

Clay surfaces combined with Kostyuk's compressed schedule (two 3-set matches in 48 hours pre-semifinal) create fatigue vulnerability that elevates a 3-set outcome above the market's 25% implication despite strong H2H control.

totalGames — Under (18.5)

MEDIUMMixed

Kostyuk's H2H pattern (6-0 6-1, 6-0 6-2) and recent low-game wins (12-game average) indicate efficient matches; market Under odds undervalue historical precedent for dominated opponents on clay.

Betting Edges

Model probabilities

Markets to Avoid

Match Winner Marta Kostyuk 1.05:Market overprices Kostyuk's certainty at 95.2% implied vs. 88% model probability; model accounts for ~30% 3-set risk and Maria's improved clay form at this tournament, creating negative edge.

Game Handicap Marta Kostyuk -4.5 @ 1.30:H2H game margins (+11, +10) are from hard court; clay historically tightens set margins, and Maria's recent semi-final run shows adaptation. Edge of ~2pts insufficient for 1.30 odds.

Total Games Under 19.5 @ 1.55:H2H totals (7, 8 games) are straight-set baselines, but 30% 3-set probability weighs heavily; model gives only 62% confidence vs. 64.5% implied—insufficient edge at 1.55.

Pre-match flagged 8 avoid-market areas; caution remains warranted in high-variance spots.

Marta Kostyuk enters the Rouen WTA 250 semifinals as the top seed facing Tatjana Maria, and the matchup heavily favors the Ukrainian on surface, ranking, and historical record. Kostyuk (ranked #28) is 2-0 lifetime against Maria (#63), with both prior meetings ending in decisive straight sets (6-0 6-1, 6-0 6-2). The indoor clay courts at Kindarena suit Kostyuk's aggressive clay baseline game, where she sits 4-0 in 2026, while Maria has mixed results despite a solid 3-0 run at this tournament.

Recent Form

Marta Kostyuk

6W 4L

W6-0 6-7(4) 6-3#36 Ann LiApr 17, 2026

W2-6 6-2 6-1#71 Caty McNallyApr 15, 2026

W6-1 6-4#100 Diane ParryApr 14, 2026

W6-4 6-0#56 Magda LinetteApr 10, 2026

L6-3 6-4#2 Elena RybakinaMar 22, 2026

W6-2 6-4#74 Kamilla RakhimovaMar 20, 2026

L6-4 6-4#2 Elena RybakinaMar 9, 2026

W6-3 6-2#94 Taylor TownsendMar 7, 2026

L6-7(4) 7-6(4) 7-6(7)#60 Elsa JacquemotJan 18, 2026

L6-4 6-3#1 Aryna SabalenkaJan 11, 2026

Tatjana Maria

4W 6L

W7-6(5) 6-2#184 Iryna ShymanovichApr 17, 2026

W6-3 6-2#123 Dominika SalkovaApr 16, 2026

W6-4 6-3#60 Elsa JacquemotApr 15, 2026

L1-6 7-6(5) 6-4#401 Sloane StephensApr 6, 2026

L6-3 6-3#161 Katarzyna KawaApr 1, 2026

W6-2 6-1#748 Valentina Mediorreal AriasMar 30, 2026

L7-5 6-2#35 Hailey BaptisteMar 19, 2026

L6-4 4-6 6-3#26 Sorana CirsteaMar 4, 2026

L7-6(3) 6-3#56 Magda LinetteFeb 24, 2026

L6-4 3-6 7-5#82 Kimberly BirrellFeb 15, 2026

Head-to-Head

2-0 (2 meetings)

W6-0 6-1Marta Kostyuk#28vTatjana Maria#63Aug 9, 2025

W6-0 6-2Marta Kostyuk#28vTatjana Maria#63Aug 6, 2024

2 total meetings

Data Coverage (dev)

Data Coverage

Complete

StatsAvailable

Apr 17, 20:00

IntelAvailable

Apr 17, 20:02

OddsAvailable

Apr 18, 14:33

Injuries/News (from Intel)Available

Apr 17, 20:02

Analysis updated: Apr 17, 20:07