H2H data updated: 2026-08-31 00:00 UTC

Katie Swan vs Mary Stoiana

Compare the head-to-head record, career totals, season-by-season performance, and match log for Katie Swan vs Mary Stoiana.

Great Britain Age 27 Right-Handed 174 cm / 5'9"
H2H
0 0
0 main draw meetings
United States Age 23 Right-Handed

H2H Match Log

WinnerScoreLoserMatch DataDateRoundTournamentCategorySurface
Mary Stoiana #122 6-7(5) 6-3 6-3 Katie Swan #206 Match data Aug 26, 2026 Q2 Q US Open Grand Slam Hard

1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. 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
Katie Swan #207 #118 554 1,577 6 17 26.1% 0 0 0 0 0 0
Mary Stoiana #122 #122 612 1,664 0 4 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 Katie Swan Mary Stoiana
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2015 0–1 0.0% #522 1,491 0 0
17 2016 0–1 0.0% #384 1,490 0 0
19 2018 1–4 20.0% #176 1,494 0 0
20 2019 0–3 0.0% #248 1,441 0 0
22 2021 0–1 0.0% #245 1,438 0 0
23 2022 4–3 57.1% #145 1,525 0 0 2026 0–4 0.0% #122 1,664 0 0
24 2023 0–3 0.0% #280 1,527 0 0
27 2026 1–1 50.0% #207 1,564 0 0

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Katie Swan Mary Stoiana
Yr HardClayGrass Yr HardClayGrass
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
16 2015 0 1 1 0.0%
17 2016 0 1 1 0.0%
19 2018 0 1 1 0.0% 1 3 4 25.0%
20 2019 0 3 3 0.0%
22 2021 0 1 1 0.0%
23 2022 3 1 4 75.0% 1 2 3 33.3% 2026 0 3 3 0.0% 0 1 1 0.0%
24 2023 0 1 1 0.0% 0 2 2 0.0%
27 2026 1 1 2 50.0%
Career 3 3 6 50.0% 3 14 17 17.6% 0 3 3 0.0% 0 1 1 0.0%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 21/23 of Katie Swan's and 4/5 of Mary Stoiana's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Katie Swan Mary Stoiana
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
16 2015 1/1 1.0 4.0 59.1% 65.4% 33.3% 50.0% 0.0% 52.3% 30.2% —/—
17 2016 1/1 6.0 4.0 48.1% 57.7% 28.6% 33.3% 66.7% 42.6% 37.0% —/—
19 2018 3/5 4.3 3.3 51.5% 68.5% 46.2% 63.8% 38.9% 58.1% 39.5% —/—
20 2019 3/3 7.0 4.7 58.4% 67.7% 37.2% 42.4% 65.5% 54.8% 34.3% —/—
22 2021 1/1 2.0 4.0 60.0% 74.4% 42.3% 75.0% 61.5% 27.6% —/—
23 2022 7/7 2.6 4.7 65.3% 64.9% 36.7% 54.6% 53.1% 55.4% 43.9% 2026 4/5 1.5 3.3 64.8% 62.9% 46.2% 52.1% 49.3% 57.0% 36.5%
24 2023 3/3 5.7 5.7 61.5% 64.6% 41.3% 34.3% 40.2% 55.5% 37.2% —/—
27 2026 2/2 1.0 4.5 59.6% 70.5% 50.0% 79.2% 62.5% 62.2% 38.7% —/—
Career 21/23 3.8 4.5 59.9% 66.4% 39.8% 53.3% 47.5% 55.9% 38.7% 4/5 1.5 3.3 64.8% 62.9% 46.2% 52.1% 49.3% 57.0% 36.5%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. 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 Katie Swan Mary Stoiana
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Schedule
16 2015 1491 97.8 +0.62 -2.78 0.633 40.2% 0.0% -4.00 -0.04
17 2016 1491 96.3 -1.64 +1.57 0.644 40.0% 0.0% -3.50 -0.05
18 2017 1466 97.1
19 2018 1494 100.4 +0.04 -2.13 0.942 49.9% +81 27.3% -1.18 0–1 0–1 -0.10
20 2019 1442 89.9 -1.44 -1.72 0.758 44.3% +64 14.3% -1.86 0–1 0–2 +0.19
21 2024 1487 97.8
22 2021 1439 102.2 -1.02 -0.32 0.717 45.5% 0.0% -2.50 -0.07 2025 1513
23 2022 1526 110.9 -0.21 -0.37 0.983 50.1% +5 -78 60.0% +0.87 2–1 (67%) 1–0 +0.26 2026 1664 111.9 -0.68 -2.06 0.849 47.3% -46 27.3% -1.64 0–3 (0%) 1–1 -0.19
24 2023 1527 113.3 -0.33 -1.77 0.837 46.2% 14.3% -1.71 0–1 0–1 -0.14
27 2026 1564 104.6 +0.43 +0.70 1.025 50.2% 50.0% -0.75
Career 1578 105.0 -0.37 -0.93 0.877 47.5% +5 +28 32.0% -0.96 2–4 (33%) 1–4 (20%) +0.24 1664 107.6 -0.68 -2.06 0.849 47.3% -46 27.3% -1.64 0–3 (0%) 1–1 -4.75

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.