Marta Kostyuk vs Sloane StephensPrediction, Head-to-Head Results, and Stats
🇺🇦Marta Kostyuk
#11 · 23 yrs · Right-Handed
1 meeting · sets 2–0
🇺🇸Sloane Stephens
#208 · 33 yrs · Right-Handed
4Marta Kostyuk and Sloane Stephens have met 1 time since 2026; Marta Kostyuk leads 1–0. Across all meetings Kostyuk has taken 2 sets to Stephens's 0. Their most recent meeting: Marta Kostyuk won at Cincinnati Open - Cincinnati (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Kostyuk | Stephens | ||
|---|---|---|---|---|
| Indicator | Marta Kostyuk | Sloane Stephens | ||
| Wins in straight sets | 73% | 27/37 | 71% | 5/7 |
| Wins a set when losing | 45% | 5/11 | 28% | 5/18 |
| Goes to a deciding set | 31% | 15/48 | 28% | 7/25 |
| Covers −1.5 sets as favorite | 62% | 21/34 | 20% | 1/5 |
| Covers +1.5 sets as underdog | 71% | 10/14 | 47% | 9/19 |
| Tiebreak sets won | 54% | 7/13 | 50% | 1/2 |
| Wins after taking set 1 | 91% | 31/34 | 67% | 6/9 |
| Wins 2-0 after taking set 1 | 79% | 27/34 | 56% | 5/9 |
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: 1 of 1 completed meetings ended in straight sets (Kostyuk 1, Stephens 0).
Style Matchup
Playing styles and historical archetype record
Kostyuk
👑 The Complete Package
Stephens
⚙️ Grinder
Matchup analysis
The 👑 The Complete Package archetype wins about 73% vs ⚙️ Grinder across 929 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 grinder's relentless consistency.
Previous meetings
1 career meeting, newest first
Aug 18, 2026
Cincinnati Open - Cincinnati
H Hard · 3rd Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Kostyuk | Stephens | ||
|---|---|---|---|---|
| Outcome | Marta Kostyuk | Sloane Stephens | ||
| 1 or more | 100% | 15/15 | 80% | 8/10 |
| 3 or more | 60% | 9/15 | 10% | 1/10 |
| 5 or more | 47% | 7/15 | 0% | 0/10 |
| 10 or more | 0% | 0/15 | 0% | 0/10 |
| 15 or more | 0% | 0/15 | 0% | 0/10 |
| 20 or more | 0% | 0/15 | 0% | 0/10 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Kostyuk | Stephens |
|---|---|---|
| W-L | 11–4 | 5–5 |
| Avg odds | 1.55 | 3.00 |
| ROI % | +3.3% | +8.3% |
| Units P/L | +0.49u | +0.83u |
Travel
Last 30 days
| Metric | Kostyuk | Stephens |
|---|---|---|
| Countries | 2 | 3 |
| Events | 2 | 3 |
| Matches | 7 | 6 |
| Distance | 411 mi · 662 km | 913 mi · 1,469 km |
| Route | CAN → POL | CAN → POL → ESP |
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 Stephens's 50%).
| Opponent | Kostyuk | Stephens |
|---|---|---|
| Mirra Andreeva | W 46 60 62 | L 46 26 |
| Anastasia Potapova | W 62 16 61 | W 62 64 |
| Veronika Podrez | W 63 64 | L 64 36 26 |
| Tatjana Maria | W 63 60 | W 16 76 64 |
Recent Form
Last five matches per player
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
Mananchaya Sawangkaew
Philly Open - Philadelphia · 1st Round
Aug 25
Marta Kostyuk
Cincinnati Open - Cincinnati · 3rd Round
Aug 18
Anastasia Potapova
Cincinnati Open - Cincinnati · 2nd Round
Aug 17
Sinja Kraus
Cincinnati Open - Cincinnati · 1st Round
Aug 15
Belinda Bencic
National Bank Open - Toronto · 2nd Round
Aug 5
Solana Sierra
National Bank Open - Toronto · 1st Round
Aug 4
Darja Vidmanova
The Memphis Classic - Memphis · 2nd Round
Jul 31
Yuliia Starodubtseva
The Memphis Classic - Memphis · 1st Round
Jul 29
Win rate
Matches, sets and games won · Last 12 months · 25–48 matches
| Metric | Kostyuk | Stephens |
|---|---|---|
| Matches won | 77% | 28% |
| Sets won | 71% | 33% |
| Games won | 59% | 42% |
Record by tier
Head-to-head record by tournament tier
| Stage | Kostyuk | Stephens |
|---|---|---|
| WTA 1000 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Kostyuk | Stephens |
|---|---|---|
| Hard | 1 | 0 |
Share this matchup
Copy the link to paste in Discord or group chats.