H2H data updated: 2026-09-14 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Elitsa Kostova vs Yingying Duan.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Elitsa Kostova | 6-7(5) 6-3 6-3 | Yingying Duan | Match data | Mar 7, 2017 | Q1 | Indian Wells Open | Premier Mandatory → modern equivalent WTA 1000 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Elitsa Kostova | #1,063 | #130 | 456 | 1,546 | 8 | 18 | 30.8% | 0 | 0 | 0 | 0 | 0 | 0 |
| Yingying Duan | #908 | #60 | 1,002 | 1,654 | 36 | 56 | 39.1% | 0 | 0 | 0 | 0 | 1 | 1 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Elitsa Kostova | Yingying Duan | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2012 | 0–1 | 0.0% | #252 | 1,482 | 0 | 0 | 2012 | 1–1 | 50.0% | #132 | 1,508 | 0 | 0 |
| 2014 | 1–1 | 50.0% | #208 | 1,487 | 0 | 0 | 2013 | 2–3 | 40.0% | #174 | 1,511 | 0 | 0 |
| 2015 | 1–1 | 50.0% | #247 | 1,485 | 0 | 0 | 2014 | 2–5 | 28.6% | #119 | 1,476 | 0 | 0 |
| 2016 | 3–8 | 27.3% | #136 | 1,453 | 0 | 0 | 2015 | 6–7 | 46.2% | #118 | 1,516 | 0 | 0 |
| 2017 | 1–4 | 20.0% | #201 | 1,448 | 0 | 0 | 2016 | 8–7 | 53.3% | #104 | 1,537 | 0 | 1 |
| 2018 | 2–2 | 50.0% | #214 | 1,529 | 0 | 0 | 2017 | 11–17 | 39.3% | #90 | 1,582 | 0 | 1 |
| 2019 | 0–1 | 0.0% | #199 | 1,462 | 0 | 0 | 2018 | 5–11 | 31.2% | #145 | 1,572 | 0 | 1 |
| — | — | — | — | — | — | — | 2019 | 1–4 | 20.0% | #395 | 1,541 | 0 | 1 |
| — | — | — | — | — | — | — | 2020 | 0–1 | 0.0% | #568 | 1,532 | 0 | 1 |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Elitsa Kostova | Yingying Duan | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | ||
| 2012 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 2012 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
| 2014 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | 2013 | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — |
| 2015 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | 2014 | 2 | 5 | 7 | 28.6% | — | — | — | — | — | — | — | — |
| 2016 | 0 | 4 | 4 | 0.0% | 3 | 4 | 7 | 42.9% | — | — | — | — | 2015 | 5 | 6 | 11 | 45.5% | — | — | — | — | 1 | 1 | 2 | 50.0% |
| 2017 | 0 | 1 | 1 | 0.0% | 1 | 3 | 4 | 25.0% | — | — | — | — | 2016 | 7 | 6 | 13 | 53.8% | — | — | — | — | 1 | 1 | 2 | 50.0% |
| 2018 | — | — | — | — | 2 | 2 | 4 | 50.0% | — | — | — | — | 2017 | 10 | 11 | 21 | 47.6% | 0 | 3 | 3 | 0.0% | 1 | 3 | 4 | 25.0% |
| 2019 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | 2018 | 4 | 9 | 13 | 30.8% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% |
| — | — | — | — | — | — | — | — | — | — | — | — | — | 2019 | 1 | 4 | 5 | 20.0% | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | 2020 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| Career | 0 | 6 | 6 | 0.0% | 8 | 12 | 20 | 40.0% | — | — | — | — | Career | 32 | 46 | 78 | 41.0% | 0 | 4 | 4 | 0.0% | 4 | 6 | 10 | 40.0% |
Rows are aligned in career order because complete birth data is unavailable. Detailed serve and return statistics available for 24/26 of Elitsa Kostova's and 85/92 of Yingying Duan'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.
| Elitsa Kostova | Yingying Duan | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| 2012 | 1/1 | 3.0 | 5.0 | 58.5% | 54.8% | 13.6% | 33.3% | 40.0% | 37.7% | 37.3% | 2012 | 2/2 | 1.5 | 3.5 | 64.1% | 67.9% | 49.1% | 85.0% | 45.8% | 61.7% | 42.0% |
| 2015 | 2/2 | 0.0 | 1.0 | 67.0% | 47.0% | 61.0% | 31.3% | 52.5% | 51.9% | 38.4% | 2013 | 5/5 | 3.6 | 3.0 | 65.5% | 58.9% | 40.6% | 29.4% | 56.0% | 52.3% | 42.5% |
| 2016 | 11/13 | 1.0 | 1.8 | 64.9% | 51.8% | 36.8% | 35.5% | 67.5% | 46.3% | 39.0% | 2014 | 5/7 | 1.4 | 3.6 | 61.4% | 60.9% | 46.0% | 57.6% | 51.7% | 54.9% | 39.8% |
| 2017 | 5/5 | 0.4 | 0.6 | 67.3% | 57.8% | 51.1% | 54.9% | 55.3% | 54.7% | 39.5% | 2015 | 9/13 | 3.1 | 3.7 | 61.2% | 71.3% | 44.9% | 55.4% | 39.5% | 60.8% | 39.4% |
| 2018 | 4/4 | 2.3 | 2.3 | 63.6% | 52.6% | 41.8% | 59.0% | 82.4% | 48.5% | 41.0% | 2016 | 14/15 | 3.6 | 3.9 | 65.4% | 66.2% | 44.5% | 56.6% | 43.4% | 58.7% | 42.0% |
| 2019 | 1/1 | 0.0 | 2.0 | 58.8% | 60.0% | 23.8% | 37.5% | 16.7% | 45.1% | 37.7% | 2017 | 28/28 | 2.6 | 3.1 | 67.2% | 61.1% | 42.7% | 52.1% | 48.3% | 55.1% | 39.7% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2018 | 16/16 | 3.9 | 3.6 | 67.8% | 63.8% | 37.4% | 61.2% | 47.4% | 55.7% | 41.0% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2019 | 5/5 | 1.2 | 2.6 | 63.1% | 64.4% | 40.2% | 43.6% | 33.0% | 55.4% | 35.6% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2020 | 1/1 | 5.0 | 2.0 | 70.4% | 60.5% | 43.8% | 62.5% | 50.0% | 55.6% | 24.5% |
| Career | 24/28 | 1.0 | 1.7 | 64.8% | 53.3% | 41.1% | 43.1% | 62.9% | 48.5% | 39.3% | Career | 85/92 | 3.0 | 3.4 | 65.7% | 63.7% | 42.3% | 54.3% | 46.1% | 56.4% | 40.1% |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Elitsa Kostova | Yingying Duan | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 2012 | 1482 | 94.3 | -1.80 | -2.20 | 0.598 | 37.5% | — | — | — | 0.0% | -4.00 | — | — | — | +0.18 | 2012 | 1508 | 106.9 | -0.29 | -0.87 | 1.098 | 51.7% | — | — | — | 50.0% | +0.75 | — | 0–1 | — | +0.01 |
| 2014 | 1488 | 97.4 | — | — | — | — | — | — | — | 40.0% | -0.60 | 1–0 | — | — | +0.12 | 2013 | 1511 | 104.6 | -0.82 | -0.25 | 0.890 | 47.5% | +21 | — | — | 36.4% | -1.45 | 1–0 | 2–0 | — | +0.08 |
| 2015 | 1485 | 97.3 | +0.26 | -1.24 | 0.798 | 45.6% | — | — | — | 40.0% | -0.60 | 1–0 | — | — | +0.33 | 2014 | 1477 | 101.2 | -1.58 | -1.40 | 0.882 | 47.6% | +14 | — | — | 33.3% | -0.60 | 0–1 | 0–2 | — | +0.69 |
| 2016 | 1453 | 96.1 | -4.69 | -3.14 | 0.726 | 43.1% | -29 | +147 | — | 30.4% | -2.09 | 0–1 | 1–1 | — | +1.01 | 2015 | 1517 | 106.8 | +0.96 | -1.58 | 1.004 | 49.9% | -2 | — | — | 46.7% | -0.33 | 2–4 (33%) | 2–1 (67%) | 98.5 | +0.60 |
| 2017 | 1448 | 101.5 | -2.45 | -1.65 | 0.873 | 47.6% | — | +114 | — | 20.0% | -1.40 | — | 0–1 | — | -0.02 | 2016 | 1538 | 108.9 | +0.86 | -0.78 | 1.017 | 50.6% | -26 | — | — | 48.6% | -0.06 | 4–1 (80%) | 1–1 | — | +1.24 |
| 2018 | 1530 | 99.2 | -3.01 | -2.04 | 0.796 | 46.0% | — | +84 | — | 44.4% | -0.67 | 1–0 | — | — | +0.39 | 2017 | 1583 | 117.0 | -0.51 | -2.33 | 0.883 | 47.6% | +30 | -93 | -6 | 39.3% | -0.93 | 3–4 (43%) | 5–4 (56%) | 100.8 | +0.64 |
| 2019 | 1462 | 96.3 | -4.16 | -3.78 | 0.687 | 41.1% | — | — | — | 0.0% | -4.00 | — | — | — | +0.10 | 2018 | 1573 | 127.1 | -0.70 | -1.07 | 0.927 | 48.5% | +3 | — | — | 39.5% | -0.55 | 1–5 (17%) | 0–3 (0%) | — | -0.27 |
| 2020 | 1422 | 92.6 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2019 | 1542 | 109.9 | -0.01 | -4.94 | 0.799 | 45.8% | +17 | — | — | 25.0% | -1.67 | 1–1 | 1–3 (25%) | — | -0.18 |
| 2021 | 1414 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2020 | 1533 | 102.9 | +0.45 | -3.00 | 0.551 | 40.8% | — | — | — | 0.0% | -2.50 | — | — | — | -0.05 |
| Career | 1546 | 95.4 | -3.39 | -2.48 | 0.762 | 44.4% | -29 | +121 | — | 30.4% | -1.61 | 3–1 (75%) | 1–2 (33%) | 102.3 | +8.12 | Career | 1655 | 118.7 | -0.20 | -1.71 | 0.920 | 48.4% | +8 | -93 | -6 | 40.4% | -0.66 | 12–16 (43%) | 11–15 (42%) | 97.2 | +3.00 |
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 |
|---|---|---|---|---|---|
| Varvara Lepchenko | 0 | 1 | 1 | Apr 11, 2019 | H2H |
| Marketa Vondrousova | 0 | 1 | 1 | Jul 20, 2018 | H2H |
| Anna Kalinskaya | 1 | 0 | 1 | Jul 19, 2018 | H2H |
| Dalila Jakupovic | 0 | 1 | 1 | Apr 13, 2018 | H2H |
| Nao Hibino | 1 | 0 | 1 | Apr 12, 2018 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Saisai Zheng | 0 | 3 | 3 | Oct 10, 2019 | H2H |
| Kristina Mladenovic | 1 | 2 | 3 | Sep 12, 2019 | H2H |
| Zarina Diyas | 1 | 1 | 2 | Jan 8, 2020 | H2H |
| Luksika Kumkhum | 1 | 1 | 2 | Sep 13, 2018 | H2H |
| Lin Zhu | 1 | 1 | 2 | Jul 26, 2018 | H2H |