Katherine Sebov vs Marta KostyukPrediction, Head-to-Head Results, and Stats
🇨🇦Katherine Sebov
#213 · 27 yrs · Right-Handed
4w42 meetings · sets 0–4
🇺🇦Marta Kostyuk
#11 · 23 yrs · Right-Handed
Katherine 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 | 82% | 27/33 | 73% | 27/37 |
| Wins a set when losing | 32% | 9/28 | 45% | 5/11 |
| Goes to a deciding set | 25% | 15/61 | 31% | 15/48 |
| Covers −1.5 sets as favorite | 70% | 23/33 | 62% | 21/34 |
| Covers +1.5 sets as underdog | 48% | 13/27 | 71% | 10/14 |
| Tiebreak sets won | 30% | 3/10 | 54% | 7/13 |
| Wins after taking set 1 | 82% | 31/38 | 91% | 31/34 |
| Wins 2-0 after taking set 1 | 71% | 27/38 | 79% | 27/34 |
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
🏹 Frontrunner
Kostyuk
👑 The Complete Package
Matchup analysis
🏹 Frontrunner vs 👑 The Complete Package is historically tight (51% vs 49%, 821 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
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 | 33% | 3/9 | 100% | 15/15 |
| 3 or more | 0% | 0/9 | 60% | 9/15 |
| 5 or more | 0% | 0/9 | 47% | 7/15 |
| 10 or more | 0% | 0/9 | 0% | 0/15 |
| 15 or more | 0% | 0/9 | 0% | 0/15 |
| 20 or more | 0% | 0/9 | 0% | 0/15 |
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 | 6–7 | 11–4 |
| Avg odds | 3.17 | 1.55 |
| ROI % | +14.8% | +3.3% |
| Units P/L | +1.93u | +0.49u |
Travel
Last 30 days
| Metric | Sebov | Kostyuk |
|---|---|---|
| Countries | 1 | 2 |
| Events | 1 | 2 |
| Matches | 2 | 7 |
| Distance | 0 mi · 0 km | 411 mi · 662 km |
| Route | CAN | CAN → POL |
Host country from the tournament each match was played in, over the last 30 days. 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
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
Tatjana Maria
Hall of Fame Open - Newport · 2nd Round
Jul 9
Cadence Brace
Hall of Fame Open - Newport · 1st Round
Jul 8
Iryna Shymanovich
Wimbledon
Jun 25
Noma Noha Akugue
Wimbledon
Jun 24
Jazmin Ortenzi
Wimbledon
Jun 23
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
Sofia Kenin
Cincinnati Open - Cincinnati · 2nd Round
Aug 16
Iga Swiatek
National Bank Open - Toronto · 4th Round
Aug 8
Madison Keys
National Bank Open - Toronto · 3rd Round
Aug 7
Katherine Sebov
National Bank Open - Toronto · 2nd Round
Aug 4
Linda Noskova
Wimbledon - London · Semifinals
Jul 9
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 48–61 matches
| Metric | Sebov | Kostyuk |
|---|---|---|
| Matches won | 54% | 77% |
| Sets won | 55% | 71% |
| Games won | 52% | 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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