H2H data updated: 2026-09-14 00:00 UTC
Elitsa Kostova holds a 1–0 lead over Ekaterina Alexandrova in their WTA head-to-head. Across 1 main-draw meeting, Elitsa Kostova leads 1–0 on clay. Most recently, Elitsa Kostova won the 2016 Bol round of 32 6-1 7-6(4).
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Elitsa Kostova | 7-5 6-1 | Ekaterina Alexandrova | Match data | Jan 29, 2017 | Q2 | St. Petersburg | Premier → modern equivalent WTA 500 | Hard |
| Elitsa Kostova | 6-1 7-6(4) | Ekaterina Alexandrova | Match data | Jun 2, 2016* | R32 | Bol | WTA 250 | Clay |
1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. 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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ekaterina Alexandrova | #19 | #10 | 3,375 | 1,984 | 250 | 197 | 55.9% | 0 | 0 | 0 | 1 | 4 | 5 |
| Elitsa Kostova | #1,063 | #130 | 456 | 1,546 | 8 | 18 | 30.8% | 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 | Ekaterina Alexandrova | Elitsa Kostova | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 21 | 2016 | 3–4 | 42.9% | #109 | 1,635 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2017 | 6–12 | 33.3% | #95 | 1,554 | 0 | 0 | 2012 | 0–1 | 0.0% | #252 | 1,482 | 0 | 0 |
| 23 | 2018 | 9–13 | 40.9% | #73 | 1,679 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 2019 | 30–24 | 55.6% | #35 | 1,785 | 0 | 0 | 2014 | 1–1 | 50.0% | #208 | 1,487 | 0 | 0 |
| 25 | 2020 | 19–12 | 61.3% | #33 | 1,797 | 0 | 1 | 2015 | 1–1 | 50.0% | #247 | 1,485 | 0 | 0 |
| 26 | 2021 | 26–21 | 55.3% | #34 | 1,795 | 0 | 1 | 2016 | 3–8 | 27.3% | #136 | 1,453 | 0 | 0 |
| 27 | 2022 | 33–18 | 64.7% | #19 | 1,906 | 0 | 3 | 2017 | 1–4 | 20.0% | #201 | 1,448 | 0 | 0 |
| 28 | 2023 | 34–22 | 60.7% | #21 | 1,869 | 0 | 4 | 2018 | 2–2 | 50.0% | #214 | 1,529 | 0 | 0 |
| 29 | 2024 | 26–24 | 52.0% | #28 | 1,768 | 0 | 4 | 2019 | 0–1 | 0.0% | #199 | 1,462 | 0 | 0 |
| 30 | 2025 | 47–25 | 65.3% | #10 | 1,948 | 0 | 5 | — | — | — | — | — | — | — |
| 31 | 2026 | 17–22 | 43.6% | #19 | 1,830 | 0 | 5 | — | — | — | — | — | — | — |
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 | Ekaterina Alexandrova | Elitsa Kostova | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 21 | 2016 | 2 | 2 | 4 | 50.0% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2017 | 4 | 6 | 10 | 40.0% | 2 | 5 | 7 | 28.6% | 0 | 1 | 1 | 0.0% | 2012 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 23 | 2018 | 8 | 6 | 14 | 57.1% | 1 | 5 | 6 | 16.7% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2019 | 22 | 16 | 38 | 57.9% | 3 | 4 | 7 | 42.9% | 5 | 4 | 9 | 55.6% | 2014 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 25 | 2020 | 15 | 7 | 22 | 68.2% | 4 | 5 | 9 | 44.4% | — | — | — | — | 2015 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 26 | 2021 | 16 | 14 | 30 | 53.3% | 7 | 5 | 12 | 58.3% | 3 | 2 | 5 | 60.0% | 2016 | 0 | 4 | 4 | 0.0% | 3 | 4 | 7 | 42.9% | — | — | — | — |
| 27 | 2022 | 16 | 12 | 28 | 57.1% | 11 | 5 | 16 | 68.8% | 6 | 1 | 7 | 85.7% | 2017 | 0 | 1 | 1 | 0.0% | 1 | 3 | 4 | 25.0% | — | — | — | — |
| 28 | 2023 | 17 | 15 | 32 | 53.1% | 6 | 5 | 11 | 54.5% | 11 | 2 | 13 | 84.6% | 2018 | — | — | — | — | 2 | 2 | 4 | 50.0% | — | — | — | — |
| 29 | 2024 | 20 | 14 | 34 | 58.8% | 1 | 7 | 8 | 12.5% | 5 | 3 | 8 | 62.5% | 2019 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 30 | 2025 | 22 | 17 | 39 | 56.4% | 17 | 5 | 22 | 77.3% | 8 | 3 | 11 | 72.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 2026 | 11 | 13 | 24 | 45.8% | 1 | 5 | 6 | 16.7% | 5 | 4 | 9 | 55.6% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 153 | 122 | 275 | 55.6% | 53 | 52 | 105 | 50.5% | 44 | 23 | 67 | 65.7% | — | 0 | 6 | 6 | 0.0% | 8 | 12 | 20 | 40.0% | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 414/447 of Ekaterina Alexandrova's and 24/26 of Elitsa Kostova'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 | Ekaterina Alexandrova | Elitsa Kostova | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | |
| 21 | 2016 | 7/7 | 5.7 | 4.7 | 55.9% | 69.2% | 50.7% | 46.0% | 45.8% | 60.7% | 41.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2017 | 18/18 | 4.1 | 5.8 | 53.4% | 65.3% | 38.3% | 48.1% | 51.6% | 52.4% | 40.9% | 2012 | 1/1 | 3.0 | 5.0 | 58.5% | 54.8% | 13.6% | 33.3% | 40.0% | 37.7% | 37.3% |
| 23 | 2018 | 22/22 | 5.6 | 5.5 | 54.6% | 66.2% | 39.4% | 54.1% | 39.9% | 53.9% | 41.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 24 | 2019 | 53/54 | 5.9 | 5.3 | 56.9% | 69.7% | 44.6% | 52.1% | 51.0% | 58.8% | 45.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 25 | 2020 | 30/31 | 4.1 | 4.3 | 61.1% | 68.5% | 44.5% | 50.4% | 50.8% | 59.1% | 45.1% | 2015 | 2/2 | 0.0 | 1.0 | 67.0% | 47.0% | 61.0% | 31.3% | 52.5% | 51.9% | 38.4% |
| 26 | 2021 | 44/47 | 5.0 | 5.0 | 57.5% | 71.4% | 45.7% | 53.1% | 46.4% | 60.3% | 44.2% | 2016 | 11/13 | 1.0 | 1.8 | 64.9% | 51.8% | 36.8% | 35.5% | 67.5% | 46.3% | 39.0% |
| 27 | 2022 | 51/51 | 4.7 | 5.9 | 57.0% | 72.5% | 47.6% | 52.4% | 54.3% | 61.7% | 45.5% | 2017 | 5/5 | 0.4 | 0.6 | 67.3% | 57.8% | 51.1% | 54.9% | 55.3% | 54.7% | 39.5% |
| 28 | 2023 | 54/56 | 4.9 | 6.6 | 56.8% | 69.8% | 46.3% | 57.9% | 52.2% | 59.6% | 43.0% | 2018 | 4/4 | 2.3 | 2.3 | 63.6% | 52.6% | 41.8% | 59.0% | 82.4% | 48.5% | 41.0% |
| 29 | 2024 | 49/50 | 5.7 | 5.7 | 58.3% | 70.3% | 43.3% | 59.8% | 48.5% | 59.3% | 40.4% | 2019 | 1/1 | 0.0 | 2.0 | 58.8% | 60.0% | 23.8% | 37.5% | 16.7% | 45.1% | 37.7% |
| 30 | 2025 | 49/72 | 4.9 | 4.4 | 62.4% | 69.7% | 46.0% | 53.7% | 48.4% | 60.8% | 46.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 31 | 2026 | 37/39 | 4.7 | 4.6 | 58.1% | 68.1% | 45.9% | 58.7% | 40.4% | 58.7% | 41.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 414/447 | 5.1 | 5.3 | 57.9% | 69.7% | 45.0% | 54.4% | 48.9% | 59.2% | 43.7% | — | 24/28 | 1.0 | 1.7 | 64.8% | 53.3% | 41.1% | 43.1% | 62.9% | 48.5% | 39.3% |
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 | Ekaterina Alexandrova | Elitsa Kostova | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 21 | 2016 | 1635 | 112.5 | +0.04 | -0.90 | 1.063 | 50.9% | -4 | — | — | 50.0% | +0.25 | 0–2 | 2–2 (50%) | — | +0.11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2017 | 1555 | 110.1 | -2.10 | -1.47 | 0.860 | 46.9% | 0 | -11 | — | 39.5% | -0.93 | 2–5 (29%) | 2–1 (67%) | — | -0.04 | 2012 | 1482 | 94.3 | -1.80 | -2.20 | 0.598 | 37.5% | — | — | — | 0.0% | -4.00 | — | — | — | +0.18 |
| 23 | 2018 | 1680 | 121.1 | -1.75 | -1.67 | 0.899 | 47.6% | +35 | -187 | — | 45.1% | -0.61 | 2–5 (29%) | 3–2 (60%) | 98.7 | -0.71 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2019 | 1785 | 139.8 | +1.93 | +2.15 | 1.101 | 51.8% | +4 | -289 | -122 | 52.8% | +0.44 | 11–8 (58%) | 2–11 (15%) | 97.7 | -0.39 | 2014 | 1488 | 97.4 | — | — | — | — | — | — | — | 40.0% | -0.60 | 1–0 | — | — | +0.12 |
| 25 | 2020 | 1797 | 144.5 | +1.94 | +1.67 | 1.103 | 52.0% | +45 | -246 | — | 58.0% | +0.55 | 5–4 (56%) | 2–4 (33%) | 101.2 | -0.35 | 2015 | 1485 | 97.3 | +0.26 | -1.24 | 0.798 | 45.6% | — | — | — | 40.0% | -0.60 | 1–0 | — | — | +0.33 |
| 26 | 2021 | 1796 | 144.4 | +3.82 | +1.85 | 1.115 | 52.0% | +7 | -167 | -96 | 53.5% | +0.49 | 5–6 (45%) | 2–12 (14%) | 94.0 | -1.01 | 2016 | 1453 | 96.1 | -4.69 | -3.14 | 0.726 | 43.1% | -29 | +147 | — | 30.4% | -2.09 | 0–1 | 1–1 | — | +1.01 |
| 27 | 2022 | 1907 | 148.8 | +4.62 | +2.63 | 1.190 | 53.2% | -60 | -87 | -63 | 60.5% | +0.97 | 11–8 (58%) | 9–8 (53%) | 105.0 | -0.98 | 2017 | 1448 | 101.5 | -2.45 | -1.65 | 0.873 | 47.6% | — | +114 | — | 20.0% | -1.40 | — | 0–1 | — | -0.02 |
| 28 | 2023 | 1870 | 145.6 | +2.73 | +0.84 | 1.064 | 51.3% | -35 | -63 | +128 | 58.2% | +0.50 | 9–7 (56%) | 13–7 (65%) | 104.1 | -0.23 | 2018 | 1530 | 99.2 | -3.01 | -2.04 | 0.796 | 46.0% | — | +84 | — | 44.4% | -0.67 | 1–0 | — | — | +0.39 |
| 29 | 2024 | 1769 | 145.7 | +2.24 | -1.13 | 0.993 | 49.9% | +68 | -125 | +254 | 51.7% | +0.10 | 10–10 (50%) | 9–10 (47%) | 99.4 | +2.01 | 2019 | 1462 | 96.3 | -4.16 | -3.78 | 0.687 | 41.1% | — | — | — | 0.0% | -4.00 | — | — | — | +0.10 |
| 30 | 2025 | 1949 | 163.0 | +3.77 | +4.05 | 1.194 | 53.6% | -29 | -31 | +157 | 63.8% | +1.26 | 9–11 (45%) | 6–13 (32%) | 93.6 | -0.04 | 2020 | 1422 | 92.6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 2026 | 1831 | 139.1 | +1.36 | -0.71 | 0.993 | 50.1% | +3 | -44 | +158 | 46.2% | -0.15 | 6–10 (38%) | 5–7 (42%) | 93.6 | +1.70 | 2021 | 1414 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1984 | 149.2 | +2.37 | +1.14 | 1.071 | 51.3% | +1 | -110 | +78 | 54.8% | +0.45 | 70–76 (48%) | 55–77 (42%) | 95.2 | +0.02 | — | 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 |
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 |
|---|---|---|---|---|---|
| Jelena Ostapenko | 4 | 6 | 10 | Feb 10, 2026 | H2H |
| Veronika Kudermetova | 6 | 4 | 10 | Jun 13, 2025 | H2H |
| Aryna Sabalenka | 4 | 5 | 9 | Aug 8, 2026 | H2H |
| Belinda Bencic | 4 | 5 | 9 | Jul 7, 2025 | H2H |
| Iga Swiatek | 2 | 6 | 8 | Sep 21, 2025 | H2H |
| 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 |