H2H data updated: 2026-08-31 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Harmony Tan vs Mary Stoiana.
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| Winner | Score | Loser | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Mary Stoiana | 6-4 6-3 | Harmony Tan | Match data | Aug 25, 2026 | Q1 | 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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Harmony Tan | #216 | #90 | 743 | 1,680 | 12 | 29 | 29.3% | 0 | 0 | 0 | 0 | 0 | 0 |
| Mary Stoiana | #122 | #122 | 612 | 1,664 | 0 | 4 | 0.0% | 0 | 0 | 0 | 0 | 0 | 0 |
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 | Harmony Tan | Mary Stoiana | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 20 | 2018 | 0–1 | 0.0% | #308 | 1,432 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2019 | 0–3 | 0.0% | #251 | 1,488 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2020 | 0–2 | 0.0% | #234 | 1,490 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2021 | 5–7 | 41.7% | #110 | 1,575 | 0 | 0 | 2026 | 0–4 | 0.0% | #122 | 1,664 | 0 | 0 |
| 24 | 2022 | 7–14 | 33.3% | #142 | 1,533 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 2023 | 0–1 | 0.0% | #230 | 1,512 | 0 | 0 | — | — | — | — | — | — | — |
| 28 | 2026 | 0–1 | 0.0% | #216 | 1,559 | 0 | 0 | — | — | — | — | — | — | — |
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 | Harmony Tan | Mary Stoiana | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | |||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 20 | 2018 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2019 | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2020 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2021 | 0 | 2 | 2 | 0.0% | 5 | 5 | 10 | 50.0% | — | — | — | — | 2026 | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 24 | 2022 | 3 | 9 | 12 | 25.0% | 1 | 3 | 4 | 25.0% | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2023 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2026 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 3 | 14 | 17 | 17.6% | 6 | 13 | 19 | 31.6% | 3 | 2 | 5 | 60.0% | — | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 41/41 of Harmony Tan'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 | Harmony Tan | 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% | |
| 20 | 2018 | 1/1 | 3.0 | 0.0 | 48.3% | 64.3% | 43.3% | 60.0% | 0.0% | 53.4% | 30.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2019 | 3/3 | 0.7 | 1.3 | 58.5% | 53.0% | 40.6% | 28.2% | 45.0% | 47.6% | 39.9% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2020 | 2/2 | 3.0 | 2.5 | 59.6% | 41.1% | 36.4% | 36.8% | 30.0% | 39.6% | 44.5% | — | —/— | — | — | — | — | — | — | — | — | — |
| 23 | 2021 | 12/12 | 1.4 | 3.1 | 55.8% | 59.2% | 45.7% | 41.4% | 41.5% | 53.2% | 43.6% | 2026 | 4/5 | 1.5 | 3.3 | 64.8% | 62.9% | 46.2% | 52.1% | 49.3% | 57.0% | 36.5% |
| 24 | 2022 | 21/21 | 1.5 | 3.1 | 56.9% | 63.6% | 43.1% | 49.1% | 48.2% | 54.5% | 41.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 25 | 2023 | 1/1 | 3.0 | 3.0 | 46.0% | 55.2% | 52.9% | 57.1% | 20.0% | 54.0% | 27.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 28 | 2026 | 1/1 | 2.0 | 3.0 | 54.3% | 63.6% | 35.1% | 61.5% | 16.7% | 50.6% | 42.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 41/41 | 1.6 | 2.9 | 56.3% | 60.3% | 43.4% | 45.5% | 42.5% | 52.8% | 41.3% | — | 4/5 | 1.5 | 3.3 | 64.8% | 62.9% | 46.2% | 52.1% | 49.3% | 57.0% | 36.5% |
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 | Harmony Tan | 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 | |
| 18 | 2016 | 1466 | 92.7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2017 | 1454 | 96.8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2018 | 1432 | 91.3 | +0.34 | -2.06 | 0.644 | 42.6% | — | — | — | 0.0% | -4.00 | — | — | +0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2019 | 1489 | 107.1 | +0.19 | -1.29 | 0.762 | 43.9% | — | — | — | 0.0% | -2.67 | — | 0–2 | -0.29 | 2024 | 1487 | 97.8 | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2020 | 1491 | 103.2 | -0.90 | -1.28 | 0.736 | 43.3% | — | — | — | 20.0% | -2.80 | 0–1 | — | -0.04 | 2025 | 1513 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2021 | 1576 | 112.8 | -1.42 | -0.41 | 0.932 | 48.2% | — | +69 | — | 47.8% | -0.35 | 0–1 | 1–1 | +0.31 | 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 | 2022 | 1533 | 122.8 | -1.43 | -2.01 | 0.903 | 48.1% | -17 | -28 | +220 | 39.5% | -0.88 | 2–5 (29%) | 2–0 | -0.96 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2023 | 1512 | 104.9 | +1.69 | -1.64 | 0.592 | 43.0% | — | — | — | — | — | — | — | +0.08 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2024 | 1446 | 100.4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2025 | 1452 | 100.8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2026 | 1559 | 110.7 | -1.60 | +1.85 | 0.854 | 45.9% | — | — | — | 33.3% | -2.67 | 0–1 | — | -0.08 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1681 | 114.5 | -1.17 | -1.35 | 0.875 | 47.3% | -17 | +41 | +220 | 36.6% | -1.12 | 2–8 (20%) | 3–3 (50%) | -2.27 | — | 1664 | 107.6 | -0.68 | -2.06 | 0.849 | 47.3% | -46 | — | — | 27.3% | -1.64 | 0–3 (0%) | 1–1 | -4.75 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Amanda Anisimova | 0 | 2 | 2 | Jul 5, 2022 | H2H |
| Sara Sorribes Tormo | 1 | 1 | 2 | Jun 30, 2022 | H2H |
| Camila Osorio | 0 | 2 | 2 | May 24, 2022 | H2H |
| Anna Bondar | 0 | 1 | 1 | Apr 15, 2026 | H2H |
| Emiliana Arango | 0 | 1 | 1 | Apr 6, 2023 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Tereza Valentova | 0 | 1 | 1 | Aug 14, 2026 | H2H |
| Peyton Stearns | 0 | 1 | 1 | Jul 28, 2026 | H2H |
| Alycia Parks | 0 | 1 | 1 | Mar 31, 2026 | H2H |
| Anastasia Zakharova | 0 | 1 | 1 | Feb 25, 2026 | H2H |