H2H data updated: 2026-09-13 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Barbara Haas vs Aliona Bolsova.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Barbara Haas | 6-1 5-7 6-2 | Aliona Bolsova | Match data | Apr 28, 2019 | Q2 | Prague Open | International → modern equivalent WTA 250 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Barbara Haas | #1,326 | #133 | 511 | 1,544 | 2 | 19 | 9.5% | 0 | 0 | 0 | 0 | 0 | 0 |
| Aliona Bolsova | #385 | #88 | 782 | 1,617 | 13 | 24 | 35.1% | 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 | Barbara Haas | Aliona Bolsova | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | 2012 | 0–1 | 0.0% | #528 | 1,484 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2015 | 0–2 | 0.0% | #232 | 1,464 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2016 | 0–3 | 0.0% | #160 | 1,451 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2017 | 1–2 | 33.3% | #166 | 1,497 | 0 | 0 | 2019 | 6–6 | 50.0% | #116 | 1,538 | 0 | 0 |
| 22 | 2018 | 0–1 | 0.0% | #185 | 1,479 | 0 | 0 | 2020 | 2–4 | 33.3% | #103 | 1,563 | 0 | 0 |
| 23 | 2019 | 0–4 | 0.0% | #147 | 1,507 | 0 | 0 | 2021 | 3–9 | 25.0% | #157 | 1,598 | 0 | 0 |
| 24 | 2020 | 1–4 | 20.0% | #149 | 1,501 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 2021 | 0–2 | 0.0% | #192 | 1,514 | 0 | 0 | 2023 | 1–4 | 20.0% | #170 | 1,524 | 0 | 0 |
| 27 | — | — | — | — | — | — | — | 2025 | 1–1 | 50.0% | #235 | 1,522 | 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 | Barbara Haas | Aliona Bolsova | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 16 | 2012 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2015 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2016 | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2017 | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | 2019 | 1 | 2 | 3 | 33.3% | 5 | 4 | 9 | 55.6% | — | — | — | — |
| 22 | 2018 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 2020 | 1 | 1 | 2 | 50.0% | 1 | 3 | 4 | 25.0% | — | — | — | — |
| 23 | 2019 | 0 | 1 | 1 | 0.0% | 0 | 3 | 3 | 0.0% | — | — | — | — | 2021 | 2 | 6 | 8 | 25.0% | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% |
| 24 | 2020 | 1 | 3 | 4 | 25.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2021 | — | — | — | — | 0 | 2 | 2 | 0.0% | — | — | — | — | 2023 | 0 | 1 | 1 | 0.0% | 1 | 3 | 4 | 25.0% | — | — | — | — |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — |
| Career | — | 1 | 9 | 10 | 10.0% | 1 | 10 | 11 | 9.1% | — | — | — | — | — | 4 | 10 | 14 | 28.6% | 9 | 13 | 22 | 40.9% | 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 20/21 of Barbara Haas's and 37/37 of Aliona Bolsova'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 | Barbara Haas | Aliona Bolsova | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2012 | 1/1 | 1.0 | 11.0 | 62.7% | 50.0% | 21.1% | 54.2% | 66.7% | 39.2% | 55.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 19 | 2015 | 1/2 | 0.0 | 8.0 | 73.7% | 51.5% | 44.4% | 67.7% | 29.2% | 49.6% | 46.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | 2016 | 3/3 | 0.0 | 6.7 | 65.0% | 53.8% | 28.6% | 48.5% | 52.8% | 45.2% | 46.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2017 | 3/3 | 1.3 | 6.3 | 62.9% | 58.2% | 41.4% | 40.1% | 49.0% | 53.5% | 44.9% | 2019 | 12/12 | 1.9 | 2.5 | 63.2% | 61.8% | 44.4% | 47.7% | 48.9% | 55.3% | 44.0% |
| 22 | 2018 | 1/1 | 0.0 | 0.0 | 62.2% | 42.9% | 52.9% | 33.3% | 0.0% | 46.7% | 33.9% | 2020 | 6/6 | 2.5 | 2.3 | 66.3% | 55.3% | 42.4% | 51.5% | 46.3% | 50.8% | 40.5% |
| 23 | 2019 | 4/4 | 2.3 | 6.3 | 59.7% | 57.5% | 33.7% | 39.3% | 40.0% | 48.0% | 42.8% | 2021 | 12/12 | 2.3 | 3.5 | 62.2% | 60.6% | 44.7% | 40.4% | 46.3% | 54.6% | 41.1% |
| 24 | 2020 | 5/5 | 1.0 | 7.0 | 58.8% | 57.1% | 31.0% | 46.6% | 34.4% | 46.9% | 34.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 25 | 2021 | 2/2 | 1.0 | 8.5 | 60.0% | 62.5% | 25.7% | 36.7% | 63.6% | 47.5% | 46.8% | 2023 | 5/5 | 1.0 | 2.6 | 72.8% | 53.8% | 37.4% | 26.0% | 42.3% | 49.3% | 44.0% |
| 27 | — | —/— | — | — | — | — | — | — | — | — | — | 2025 | 2/2 | 0.5 | 2.5 | 76.0% | 53.8% | 43.5% | 52.1% | 61.8% | 51.5% | 48.1% |
| Career | — | 20/21 | 1.1 | 6.8 | 61.8% | 56.1% | 33.5% | 44.2% | 43.0% | 47.7% | 42.4% | — | 37/37 | 1.9 | 2.8 | 65.3% | 58.8% | 43.2% | 43.2% | 47.4% | 53.3% | 42.7% |
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 | Barbara Haas | Aliona Bolsova | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 16 | 2012 | 1485 | 98.4 | -0.27 | -2.44 | 0.916 | 46.4% | — | — | — | 33.3% | -2.00 | 0–1 | — | — | +0.09 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2015 | 1465 | 102.2 | -1.10 | -0.84 | 0.914 | 47.8% | — | — | — | 33.3% | -2.00 | 0–2 | 2–1 (67%) | — | -0.09 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2016 | 1452 | 100.9 | -3.71 | +1.47 | 0.846 | 46.1% | — | — | — | 14.3% | -1.57 | 0–1 | 0–1 | — | -0.05 | 2018 | 1500 | 99.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2017 | 1498 | 109.1 | -0.19 | -0.07 | 0.965 | 49.0% | — | — | — | 44.4% | -0.45 | 1–2 (33%) | 1–0 | — | 0.00 | 2019 | 1539 | 111.9 | -1.14 | +0.81 | 0.983 | 49.3% | -55 | +85 | — | 56.0% | +0.16 | 1–2 (33%) | 2–3 (40%) | 98.2 | +0.62 |
| 22 | 2018 | 1479 | 99.4 | +2.16 | +1.98 | 0.635 | 39.3% | — | — | — | 0.0% | -4.50 | — | — | — | -0.26 | 2020 | 1564 | 109.7 | -0.86 | -0.91 | 0.822 | 45.9% | — | +44 | — | 35.7% | -1.14 | 1–1 | 2–1 (67%) | — | +0.31 |
| 23 | 2019 | 1508 | 108.4 | -2.86 | -1.01 | 0.824 | 45.3% | — | -19 | — | 11.1% | -2.44 | 0–1 | — | — | -0.13 | 2021 | 1598 | 119.7 | -1.14 | -1.37 | 0.905 | 48.3% | -9 | -43 | — | 33.3% | -0.77 | 2–4 (33%) | 1–4 (20%) | 96.8 | -0.27 |
| 24 | 2020 | 1502 | 104.1 | -2.86 | -2.82 | 0.655 | 41.1% | +54 | — | — | 18.2% | -2.54 | 1–0 | 0–1 | — | 0.00 | 2022 | 1600 | 100.4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2021 | 1515 | 99.0 | -1.25 | -2.03 | 0.891 | 47.1% | — | — | — | 0.0% | -2.25 | — | 0–1 | — | -0.11 | 2023 | 1525 | 107.9 | -1.29 | -0.98 | 0.868 | 46.9% | — | +32 | — | 27.3% | -1.64 | 0–1 | — | — | +0.28 |
| 26 | 2022 | 1499 | 98.7 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1496 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2023 | 1486 | 96.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1522 | 111.4 | -0.26 | +0.42 | 0.992 | 49.9% | — | — | — | 40.0% | +0.80 | 1–0 | 0–2 | — | -0.39 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1513 | 100.6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1544 | 105.4 | -1.96 | -0.97 | 0.810 | 45.0% | +54 | -19 | — | 21.6% | -1.98 | 2–7 (22%) | 3–4 (43%) | 94.9 | -2.62 | — | 1617 | 115.4 | -1.07 | -0.44 | 0.915 | 48.1% | -22 | +47 | — | 40.0% | -0.58 | 5–8 (38%) | 5–10 (33%) | 96.2 | +1.49 |
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 |
|---|---|---|---|---|---|
| Kateryna Baindl | 0 | 1 | 1 | Jul 15, 2021 | H2H |
| Kristina Mladenovic | 0 | 1 | 1 | Apr 22, 2021 | H2H |
| Veronika Kudermetova | 0 | 1 | 1 | Nov 12, 2020 | H2H |
| Su-Wei Hsieh | 0 | 1 | 1 | Sep 29, 2020 | H2H |
| Victoria Azarenka | 0 | 1 | 1 | Sep 2, 2020 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Anna Karolina Schmiedlova | 1 | 1 | 2 | Jun 1, 2023 | H2H |
| Sorana Cirstea | 1 | 1 | 2 | Aug 29, 2019 | H2H |
| Jaqueline Cristian | 0 | 1 | 1 | May 21, 2025 | H2H |
| Katerina Siniakova | 1 | 0 | 1 | May 20, 2025 | H2H |
| Mai Hontama | 0 | 1 | 1 | Oct 19, 2023 | H2H |