Katherine Sebov vs Marta KostyukPrediction, Head-to-Head Results, and Stats
🇨🇦Katherine Sebov
#228 · 27 yrs · Right-Handed
2 meetings · sets 0–4
🇺🇦Marta Kostyuk
#10 · 23 yrs · Right-Handed
4wKatherine Sebov and Marta Kostyuk have met 2 times since 2021; Marta Kostyuk leads 2–0. Their first meeting came at WTA Chicago Women's Open - Chicago in 2021 on hard. On hard courts Kostyuk leads 2–0. Kostyuk has won the last 2 meetings. Across all meetings Sebov has taken 0 sets to Kostyuk's 4. Their most recent meeting: Marta Kostyuk won at National Bank Open - Toronto (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Sebov | Kostyuk | ||
|---|---|---|---|---|
| Indicator | Katherine Sebov | Marta Kostyuk | ||
| Wins in straight sets | 84% | 26/31 | 72% | 26/36 |
| Wins a set when losing | 34% | 10/29 | 40% | 4/10 |
| Goes to a deciding set | 25% | 15/60 | 30% | 14/46 |
| Covers −1.5 sets as favorite | 64% | 21/33 | 59% | 20/34 |
| Covers +1.5 sets as underdog | 44% | 11/25 | 67% | 8/12 |
| Tiebreak sets won | 25% | 2/8 | 40% | 4/10 |
| Wins after taking set 1 | 81% | 29/36 | 91% | 30/33 |
| Wins 2-0 after taking set 1 | 72% | 26/36 | 79% | 26/33 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 2 of 2 completed meetings ended in straight sets (Sebov 0, Kostyuk 2).
Style Matchup
Playing styles and historical archetype record
Sebov
🎾 All-Court
Kostyuk
👑 The Complete Package
Matchup analysis
The 👑 The Complete Package archetype wins about 57% vs 🎾 All-Court across 789 matches in our dataset: a stylistic lean toward Marta Kostyuk.
The Complete Package players often use elite serve & return and high bp conversion to pressure the all-court's tactical versatility.
Previous meetings
2 career meetings, newest first
Aug 4, 2026
National Bank Open - Toronto
H Hard · 2nd Round
Aug 22, 2021
WTA Chicago Women's Open - Chicago
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Sebov | Kostyuk | ||
|---|---|---|---|---|
| Outcome | Katherine Sebov | Marta Kostyuk | ||
| 1 or more | 25% | 2/8 | 100% | 12/12 |
| 3 or more | 13% | 1/8 | 75% | 9/12 |
| 5 or more | 0% | 0/8 | 58% | 7/12 |
| 10 or more | 0% | 0/8 | 0% | 0/12 |
| 15 or more | 0% | 0/8 | 0% | 0/12 |
| 20 or more | 0% | 0/8 | 0% | 0/12 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Sebov | Kostyuk |
|---|---|---|
| W-L | 4–7 | 8–4 |
| Avg odds | 2.81 | 1.49 |
| ROI % | -47.5% | -11.8% |
| Units P/L | -5.22u | -1.41u |
Travel
Last 30 days
| Metric | Sebov | Kostyuk |
|---|---|---|
| Countries | 2 | 1 |
| Events | 2 | 1 |
| Matches | 3 | 1 |
| Distance | — | 0 mi · 0 km |
| Route | EGY → ECU | UKR |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Kostyuk has a higher win rate against shared opponents (100% vs Sebov's 33%).
| Opponent | Sebov | Kostyuk |
|---|---|---|
| Tatjana Maria | L 36 36 | W 63 60 |
| Ashlyn Krueger | W 75 26 75 | W 64 64 |
| Veronika Podrez | L 26 46 | W 63 64 |
Recent Form
Last five matches per player
Margaux Rouvroy
W75 Quinta do Lago · 2nd Round
Oct 1
Alize Lim
W75 Quinta do Lago · 1st Round
Sep 29
Gabriela Andrea Knutson
Eupago Porto Open - Porto · 1st Round
Sep 22
Victoria Jimenez Kasintseva
Ladies Open - Caldas da Rainha · 1st Round
Sep 15
Julia Avdeeva
U.S. Open - New York · 1st Round Qualifying
Aug 26
Marta Kostyuk
National Bank Open - Toronto · 2nd Round
Aug 4
Aoi Ito
National Bank Open - Toronto · 1st Round
Aug 3
Elvina Kalieva
The Memphis Classic - Memphis · 1st Round
Jul 28
Liudmila Samsonova
Guadalajara Open Akron - Guadalajara · Quarterfinals
Sep 17
Linda Noskova
U.S. Open - New York · 4th Round
Sep 6
Ekaterina Alexandrova
U.S. Open - New York · 3rd Round
Sep 4
Sloane Stephens
U.S. Open - New York · 2nd Round
Sep 2
Storm Hunter
U.S. Open - New York · 1st Round
Aug 30
Coco Gauff
Cincinnati Open - Cincinnati · Quarterfinals
Aug 22
Mirra Andreeva
Cincinnati Open - Cincinnati · 4th Round
Aug 19
Sloane Stephens
Cincinnati Open - Cincinnati · 3rd Round
Aug 18
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 46–60 matches
| Metric | Sebov | Kostyuk |
|---|---|---|
| Matches won | 52% | 78% |
| Sets won | 53% | 72% |
| Games won | 51% | 59% |
Record by tier
Head-to-head record by tournament tier
| Stage | Sebov | Kostyuk |
|---|---|---|
| WTA 250 | 0 | 1 |
| WTA 1000 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Sebov | Kostyuk |
|---|---|---|
| Hard | 0 | 2 |
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