# Marta Kostyuk vs Sloane Stephens — Head-to-Head

Source: https://tennis-db.com/wta/rivalries/marta-kostyuk-vs-sloane-stephens?player1_id=balldontlie_wta:20&player2_id=balldontlie_wta:94
Tour: WTA

Marta Kostyuk holds a 1–0 lead over Sloane Stephens in their WTA head-to-head. Across 1 main-draw meeting, Marta Kostyuk leads 1–0 on hard courts. Most recently, Marta Kostyuk won the 2026 Cincinnati Open third round 7-5 7-5.

## Overall
- Marta Kostyuk: 1 wins
- Sloane Stephens: 0 wins
- Total meetings: 1

## By surface
- Hard: Marta Kostyuk 1 - 0 Sloane Stephens

## By tournament category
- WTA 1000: Marta Kostyuk 1 - 0 Sloane Stephens

## Surface results by age
Completed main-draw results by court surface. The canonical HTML page contains the complete comparison.

| Age | Player | Season | Surface | W-L | M | Win % |
| ---: | :--- | ---: | :--- | ---: | ---: | ---: |
| 16 | Marta Kostyuk | 2018 | Hard | 2-2 | 4 | 50.0% |
| 16 | Marta Kostyuk | 2018 | Clay | 1-2 | 3 | 33.3% |
| 16 | Marta Kostyuk | 2018 | Grass | 0-1 | 1 | 0.0% |
| 17 | Marta Kostyuk | 2019 | Hard | 0-1 | 1 | 0.0% |
| 17 | Marta Kostyuk | 2019 | Clay | 2-2 | 4 | 50.0% |
| 17 | Sloane Stephens | 2010 | Hard | 1-1 | 2 | 50.0% |
| 17 | Sloane Stephens | 2010 | Clay | 1-2 | 3 | 33.3% |
| 18 | Marta Kostyuk | 2020 | Hard | 2-3 | 5 | 40.0% |
| 18 | Marta Kostyuk | 2020 | Clay | 0-2 | 2 | 0.0% |
| 18 | Sloane Stephens | 2011 | Hard | 6-6 | 12 | 50.0% |
| 18 | Sloane Stephens | 2011 | Clay | 1-3 | 4 | 25.0% |
| 19 | Marta Kostyuk | 2021 | Hard | 11-10 | 21 | 52.4% |
| 19 | Marta Kostyuk | 2021 | Clay | 6-3 | 9 | 66.7% |
| 19 | Marta Kostyuk | 2021 | Grass | 2-3 | 5 | 40.0% |
| 19 | Sloane Stephens | 2012 | Hard | 12-10 | 22 | 54.5% |
| 19 | Sloane Stephens | 2012 | Clay | 7-6 | 13 | 53.8% |
| 19 | Sloane Stephens | 2012 | Grass | 2-1 | 3 | 66.7% |
| 20 | Marta Kostyuk | 2022 | Hard | 12-14 | 26 | 46.2% |
| 20 | Marta Kostyuk | 2022 | Clay | 1-4 | 5 | 20.0% |
| 20 | Marta Kostyuk | 2022 | Grass | 3-2 | 5 | 60.0% |
| 20 | Sloane Stephens | 2013 | Hard | 29-16 | 45 | 64.4% |
| 20 | Sloane Stephens | 2013 | Clay | 7-5 | 12 | 58.3% |
| 20 | Sloane Stephens | 2013 | Grass | 4-1 | 5 | 80.0% |
| 21 | Marta Kostyuk | 2023 | Hard | 20-15 | 35 | 57.1% |
| 21 | Marta Kostyuk | 2023 | Clay | 1-3 | 4 | 25.0% |
| 21 | Marta Kostyuk | 2023 | Grass | 2-2 | 4 | 50.0% |
| 21 | Sloane Stephens | 2014 | Hard | 11-10 | 21 | 52.4% |
| 21 | Sloane Stephens | 2014 | Clay | 6-6 | 12 | 50.0% |
| 21 | Sloane Stephens | 2014 | Grass | 3-3 | 6 | 50.0% |
| 22 | Marta Kostyuk | 2024 | Hard | 26-12 | 38 | 68.4% |
| 22 | Marta Kostyuk | 2024 | Clay | 8-5 | 13 | 61.5% |
| 22 | Marta Kostyuk | 2024 | Grass | 2-3 | 5 | 40.0% |
| 22 | Sloane Stephens | 2015 | Hard | 20-13 | 33 | 60.6% |
| 22 | Sloane Stephens | 2015 | Clay | 8-5 | 13 | 61.5% |
| 22 | Sloane Stephens | 2015 | Grass | 6-2 | 8 | 75.0% |
| 23 | Marta Kostyuk | 2025 | Hard | 19-13 | 32 | 59.4% |
| 23 | Marta Kostyuk | 2025 | Clay | 6-3 | 9 | 66.7% |
| 23 | Marta Kostyuk | 2025 | Grass | 0-3 | 3 | 0.0% |
| 23 | Sloane Stephens | 2016 | Hard | 10-6 | 16 | 62.5% |
| 23 | Sloane Stephens | 2016 | Clay | 9-3 | 12 | 75.0% |
| 23 | Sloane Stephens | 2016 | Grass | 2-1 | 3 | 66.7% |
| 24 | Marta Kostyuk | 2026 | Hard | 11-6 | 17 | 64.7% |
| 24 | Marta Kostyuk | 2026 | Clay | 16-1 | 17 | 94.1% |
| 24 | Marta Kostyuk | 2026 | Grass | 5-1 | 6 | 83.3% |
| 24 | Sloane Stephens | 2017 | Hard | 15-7 | 22 | 68.2% |
| 24 | Sloane Stephens | 2017 | Grass | 0-1 | 1 | 0.0% |
| 25 | Sloane Stephens | 2018 | Hard | 24-13 | 37 | 64.9% |
| 25 | Sloane Stephens | 2018 | Clay | 10-5 | 15 | 66.7% |
| 25 | Sloane Stephens | 2018 | Grass | 0-1 | 1 | 0.0% |
| Career | Marta Kostyuk | - | Hard | 103-76 | 179 | 57.54189944134078% |
| Career | Marta Kostyuk | - | Clay | 41-25 | 66 | 62.121212121212125% |
| Career | Marta Kostyuk | - | Grass | 14-15 | 29 | 48.275862068965516% |
| Career | Sloane Stephens | - | Hard | 185-162 | 347 | 53.31412103746398% |
| Career | Sloane Stephens | - | Clay | 93-67 | 160 | 58.125% |
| Career | Sloane Stephens | - | Grass | 24-19 | 43 | 55.81395348837209% |

(+8 additional aligned rows on the canonical page)

## Performance progression by age
Detailed serve and return statistics available for 257/274 of Marta Kostyuk's and 518/550 of Sloane Stephens's main draw matches.

Sample is shown as matches with detailed serve and return statistics / total main draw matches. The canonical HTML page contains the complete comparison.

| Age | Player | Season | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% |
| ---: | :--- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| 16 | Marta Kostyuk | 2018 | 8/8 | 4.8 | 6.9 | 54.1% | 68.7% | 45.4% | 47.7% | 63.8% | 57.4% | 40.3% |
| 17 | Marta Kostyuk | 2019 | 5/5 | 2.6 | 3.6 | 60.9% | 63.8% | 47.8% | 48.7% | 44.7% | 57.2% | 45.0% |
| 17 | Sloane Stephens | 2010 | 5/5 | 0.6 | 3.6 | 64.1% | 58.7% | 39.2% | 42.2% | 62.2% | 52.1% | 42.9% |
| 18 | Marta Kostyuk | 2020 | 7/7 | 3.6 | 5.3 | 62.0% | 64.8% | 43.4% | 60.9% | 35.8% | 56.2% | 42.0% |
| 18 | Sloane Stephens | 2011 | 16/16 | 1.4 | 3.0 | 59.3% | 59.3% | 47.2% | 41.8% | 52.7% | 54.1% | 43.8% |
| 19 | Marta Kostyuk | 2021 | 35/35 | 2.7 | 3.9 | 62.7% | 61.9% | 45.2% | 51.6% | 45.5% | 55.6% | 44.0% |
| 19 | Sloane Stephens | 2012 | 36/38 | 1.7 | 3.6 | 62.4% | 61.6% | 46.4% | 48.6% | 43.2% | 55.6% | 45.1% |
| 20 | Marta Kostyuk | 2022 | 35/36 | 3.4 | 5.3 | 60.8% | 64.4% | 41.0% | 48.5% | 40.3% | 55.5% | 42.6% |
| 20 | Sloane Stephens | 2013 | 58/62 | 2.1 | 2.7 | 64.9% | 63.2% | 45.5% | 49.3% | 49.5% | 56.8% | 44.8% |
| 21 | Marta Kostyuk | 2023 | 43/43 | 3.1 | 6.0 | 57.0% | 66.3% | 43.4% | 48.0% | 49.1% | 56.5% | 43.6% |
| 21 | Sloane Stephens | 2014 | 37/39 | 1.7 | 2.4 | 68.3% | 62.0% | 46.2% | 53.8% | 38.4% | 57.0% | 41.9% |
| 22 | Marta Kostyuk | 2024 | 50/56 | 3.0 | 6.8 | 57.2% | 65.8% | 44.1% | 52.9% | 53.3% | 56.6% | 44.8% |
| 22 | Sloane Stephens | 2015 | 44/54 | 2.4 | 2.3 | 61.6% | 65.6% | 54.6% | 58.0% | 54.1% | 61.5% | 42.6% |
| 23 | Marta Kostyuk | 2025 | 34/44 | 3.0 | 5.8 | 59.5% | 67.7% | 46.0% | 62.0% | 49.1% | 58.9% | 45.1% |
| 23 | Sloane Stephens | 2016 | 29/31 | 2.0 | 1.8 | 65.8% | 64.5% | 49.5% | 52.7% | 47.8% | 59.4% | 44.8% |
| 24 | Marta Kostyuk | 2026 | 40/40 | 3.6 | 4.2 | 58.3% | 70.5% | 46.8% | 59.5% | 53.5% | 61.0% | 48.1% |
| 24 | Sloane Stephens | 2017 | 22/23 | 1.1 | 1.5 | 67.7% | 61.0% | 47.2% | 59.8% | 54.5% | 56.6% | 41.8% |
| 25 | Sloane Stephens | 2018 | 47/53 | 0.8 | 1.5 | 69.8% | 62.1% | 49.9% | 51.8% | 51.5% | 58.5% | 47.2% |

(+8 additional aligned rows on the canonical page)

## Advanced statistics comparison
Career aggregates from the precomputed Advanced table. Surface Elo values are relative to overall Elo; career Schedule is normalized per 100 matches and lower means tougher opposition.

| Player | Peak Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win% | Set Margin | Dec. Set | Tiebreak | Schedule |
| :--- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Marta Kostyuk | 2109 | 153.0 | 0.84 | 1.92 | 1.043 | 51.0% | 4 | -34 | -217 | 55.2% | 0.43 | 57-43 (57%) | 37-35 (51%) | -2.02 |
| Sloane Stephens | 1953 | 145.4 | 0.67 | 1.07 | 1.012 | 50.2% | -17 | 47 | -8 | 53.1% | 0.11 | 97-84 (54%) | 69-45 (61%) | -0.26 |

## Meeting history (last 20)
| Date | Tournament | Round | Surface | Winner | Score |
| :--- | :--- | :--- | :--- | :--- | :--- |
| 2026-08-18 | Cincinnati Open | R32 | Hard | Marta Kostyuk | 7-5 7-5 |

## Career rivalries
### Marta Kostyuk

| Opponent | W-L | M | Last played | H2H |
| :--- | ---: | ---: | :--- | :--- |
| Daria Kasatkina | 4-4 | 8 | 2025-07-31 | [H2H](https://tennis-db.com/wta/rivalries/marta-kostyuk-vs-daria-kasatkina?player1_id=balldontlie_wta:20&player2_id=balldontlie_wta:88) |
| Jessica Pegula | 3-4 | 7 | 2026-04-26 | [H2H](https://tennis-db.com/wta/rivalries/jessica-pegula-vs-marta-kostyuk?player1_id=balldontlie_wta:6&player2_id=balldontlie_wta:20) |
| Coco Gauff | 2-4 | 6 | 2026-08-22 | [H2H](https://tennis-db.com/wta/rivalries/coco-gauff-vs-marta-kostyuk?player1_id=balldontlie_wta:3&player2_id=balldontlie_wta:20) |
| Elena Rybakina | 1-5 | 6 | 2026-03-22 | [H2H](https://tennis-db.com/wta/rivalries/elena-rybakina-vs-marta-kostyuk?player1_id=balldontlie_wta:5&player2_id=balldontlie_wta:20) |
| Iga Swiatek | 1-4 | 5 | 2026-08-08 | [H2H](https://tennis-db.com/wta/rivalries/iga-swiatek-vs-marta-kostyuk?player1_id=balldontlie_wta:2&player2_id=balldontlie_wta:20) |

### Sloane Stephens

| Opponent | W-L | M | Last played | H2H |
| :--- | ---: | ---: | :--- | :--- |
| Victoria Azarenka | 5-5 | 10 | 2023-08-10 | [H2H](https://tennis-db.com/wta/rivalries/sloane-stephens-vs-victoria-azarenka?player1_id=balldontlie_wta:94&player2_id=balldontlie_wta:446) |
| Simona Halep | 2-7 | 9 | 2018-08-12 | [H2H](https://tennis-db.com/wta/rivalries/sloane-stephens-vs-simona-halep?player1_id=balldontlie_wta:94&player2_id=balldontlie_wta:98795) |
| Karolina Pliskova | 6-2 | 8 | 2026-01-20 | [H2H](https://tennis-db.com/wta/rivalries/sloane-stephens-vs-karolina-pliskova?player1_id=balldontlie_wta:94&player2_id=balldontlie_wta:197) |
| Yulia Putintseva | 3-5 | 8 | 2024-05-28 | [H2H](https://tennis-db.com/wta/rivalries/sloane-stephens-vs-yulia-putintseva?player1_id=balldontlie_wta:94&player2_id=balldontlie_wta:151) |
| Caroline Garcia | 4-4 | 8 | 2024-04-20 | [H2H](https://tennis-db.com/wta/rivalries/sloane-stephens-vs-caroline-garcia?player1_id=balldontlie_wta:94&player2_id=balldontlie_wta:476) |

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Canonical URL: https://tennis-db.com/wta/rivalries/marta-kostyuk-vs-sloane-stephens?player1_id=balldontlie_wta:20&player2_id=balldontlie_wta:94
Data source: TennisDB (tennis-db.com)