Marta Kostyuk
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Daria Kasatkina | 4 | 4 | 8 | Jul 31, 2025 | H2H |
| Jessica Pegula | 3 | 4 | 7 | Apr 26, 2026 | H2H |
| Coco Gauff | 2 | 4 | 6 | Aug 22, 2026 | H2H |
| Elena Rybakina | 1 | 5 | 6 | Mar 22, 2026 | H2H |
| Iga Swiatek | 1 | 4 | 5 | Aug 8, 2026 | H2H |
H2H data updated: 2026-09-14 00:00 UTC
Marta Kostyuk vs Stacey Fung H2H: 1-0
Marta Kostyuk holds a 1–0 lead over Stacey Fung 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 2023 Guadalajara Open first round 6-3 2-6 6-0.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
1
–
0
1 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Marta Kostyuk | 6-3 2-6 6-0 | Stacey Fung | Match data | Sep 19, 2023* | R64 | Guadalajara Open | WTA 1000 | Hard |
Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Marta Kostyuk | #11 | #11 | 3,980 | 2,109 | 161 | 117 | 57.9% | 0 | 1 | 0 | 0 | 2 | 3 |
| Stacey Fung | #438 | #222 | 345 | 1,500 | 0 | 1 | 0.0% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Marta Kostyuk | Stacey Fung | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | 2018 | 3–5 | 37.5% | #119 | 1,515 | 0 | 0 | — | — | — | — | — | — | — |
| 17 | 2019 | 2–3 | 40.0% | #153 | 1,615 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2020 | 2–5 | 28.6% | #99 | 1,661 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2021 | 19–16 | 54.3% | #50 | 1,739 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2022 | 16–20 | 44.4% | #69 | 1,754 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2023 | 23–20 | 53.5% | #39 | 1,810 | 0 | 1 | — | — | — | — | — | — | — |
| 22 | 2024 | 36–20 | 64.3% | #18 | 1,889 | 0 | 1 | — | — | — | — | — | — | — |
| 23 | 2025 | 25–19 | 56.8% | #26 | 1,890 | 0 | 1 | — | — | — | — | — | — | — |
| 24 | 2026 | 35–9 | 79.5% | #11 | 2,082 | 0 | 3 | — | — | — | — | — | — | — |
| 26 | — | — | — | — | — | — | — | 2023 | 0–1 | 0.0% | #238 | 1,479 | 0 | 0 |
Advanced Statistics Comparison by Age
Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Age | Marta Kostyuk | Stacey Fung | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | |
| 15 | 2017 | 1483 | 97.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 16 | 2018 | 1516 | 118.6 | -0.89 | -0.21 | 0.947 | 49.5% | -2 | +68 | — | 44.4% | -0.33 | 0–2 | — | — | +0.60 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 17 | 2019 | 1616 | 118.9 | -1.57 | +1.09 | 1.053 | 50.9% | — | +68 | — | 53.8% | +0.23 | 0–3 (0%) | — | — | -0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2020 | 1661 | 127.8 | -0.40 | -0.50 | 0.959 | 49.2% | -2 | — | — | 37.5% | -0.88 | 0–2 | 2–1 (67%) | — | -0.16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2021 | 1740 | 135.9 | -0.54 | +0.60 | 0.990 | 49.9% | -34 | +9 | -154 | 53.2% | +0.27 | 4–5 (44%) | 3–5 (38%) | 98.1 | -0.69 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2022 | 1754 | 134.9 | -0.66 | +0.17 | 0.957 | 49.2% | +1 | -64 | -136 | 46.5% | -0.19 | 8–8 (50%) | 5–4 (56%) | 99.5 | -1.22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2023 | 1811 | 147.6 | +0.01 | +1.37 | 1.002 | 50.2% | +7 | -145 | -163 | 51.0% | +0.05 | 10–8 (56%) | 9–5 (64%) | 103.7 | -1.77 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2024 | 1890 | 152.6 | +0.62 | +2.38 | 1.033 | 50.9% | +29 | -120 | -214 | 57.5% | +0.47 | 16–5 (76%) | 11–6 (65%) | 113.1 | -0.25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2025 | 1890 | 156.7 | +2.03 | +2.05 | 1.097 | 51.9% | +45 | -52 | -342 | 55.2% | +0.57 | 9–8 (53%) | 3–8 (27%) | 96.3 | +1.49 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2026 | 2082 | 166.2 | +4.43 | +5.66 | 1.244 | 54.7% | -66 | +25 | -302 | 72.3% | +1.78 | 10–3 (77%) | 4–6 (40%) | 105.0 | -2.33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 1480 | 104.8 | -0.39 | -0.66 | 0.754 | 44.7% | — | — | — | 33.3% | -1.67 | 0–1 | — | — | -0.02 |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1475 | 102.2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1468 | 95.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 2110 | 153.3 | +0.90 | +2.01 | 1.047 | 51.1% | +4 | -30 | -215 | 55.5% | +0.45 | 57–44 (56%) | 37–35 (51%) | 104.8 | -1.59 | — | 1500 | 101.1 | -0.39 | -0.66 | 0.754 | 44.7% | — | — | — | 33.3% | -1.67 | 0–1 | — | — | -2.00 |
Career Rivalries
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
Stacey Fung
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Marta Kostyuk | 0 | 1 | 1 | Sep 19, 2023 | H2H |