H2H data updated: 2026-09-14 00:00 UTC
Kaja Juvan holds a 1–0 lead over Aliona Bolsova in their WTA head-to-head. Across 1 main-draw meeting, Kaja Juvan leads 1–0 on hard courts. Most recently, Kaja Juvan won the 2021 Guadalajara first round 7-5 7-6(5).
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Aliona Bolsova | 4-6 7-6(6) 7-6(5) | Kaja Juvan | Match data | Oct 17, 2021 | Q2 | Tenerife | WTA 250 | Hard |
| Kaja Juvan | 7-5 7-6(5) | Aliona Bolsova | Match data | Mar 10, 2021* | R32 | Guadalajara | WTA 250 | Hard |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kaja Juvan | #168 | #58 | 1,040 | 1,757 | 46 | 56 | 45.1% | 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 | Kaja Juvan | Aliona Bolsova | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 2019 | 2–4 | 33.3% | #128 | 1,596 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2020 | 4–7 | 36.4% | #104 | 1,621 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2021 | 13–14 | 48.1% | #100 | 1,613 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2022 | 13–14 | 48.1% | #89 | 1,665 | 0 | 0 | 2019 | 6–6 | 50.0% | #116 | 1,538 | 0 | 0 |
| 22 | 2023 | 7–8 | 46.7% | #106 | 1,645 | 0 | 0 | 2020 | 2–4 | 33.3% | #103 | 1,563 | 0 | 0 |
| 23 | 2024 | 1–1 | 50.0% | #596 | 1,646 | 0 | 0 | 2021 | 3–9 | 25.0% | #157 | 1,598 | 0 | 0 |
| 24 | 2025 | 4–5 | 44.4% | #102 | 1,718 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 2026 | 2–3 | 40.0% | #168 | 1,660 | 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 | Kaja Juvan | 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 % | |||
| 18 | 2019 | — | — | — | — | 1 | 2 | 3 | 33.3% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2020 | 2 | 3 | 5 | 40.0% | 2 | 4 | 6 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2021 | 10 | 10 | 20 | 50.0% | 1 | 3 | 4 | 25.0% | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2022 | 6 | 8 | 14 | 42.9% | 5 | 3 | 8 | 62.5% | 2 | 3 | 5 | 40.0% | 2019 | 1 | 2 | 3 | 33.3% | 5 | 4 | 9 | 55.6% | — | — | — | — |
| 22 | 2023 | 4 | 5 | 9 | 44.4% | 2 | 2 | 4 | 50.0% | 1 | 1 | 2 | 50.0% | 2020 | 1 | 1 | 2 | 50.0% | 1 | 3 | 4 | 25.0% | — | — | — | — |
| 23 | 2024 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 2021 | 2 | 6 | 8 | 25.0% | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% |
| 24 | 2025 | 1 | 3 | 4 | 25.0% | 3 | 1 | 4 | 75.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2026 | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — | 2023 | 0 | 1 | 1 | 0.0% | 1 | 3 | 4 | 25.0% | — | — | — | — |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — |
| Career | — | 26 | 33 | 59 | 44.1% | 14 | 15 | 29 | 48.3% | 6 | 8 | 14 | 42.9% | — | 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 93/102 of Kaja Juvan'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 | Kaja Juvan | 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% | |
| 18 | 2019 | 6/6 | 3.2 | 4.0 | 63.3% | 62.3% | 47.8% | 50.3% | 61.7% | 56.9% | 41.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 19 | 2020 | 11/11 | 2.3 | 1.7 | 65.1% | 52.8% | 44.1% | 47.2% | 45.6% | 49.7% | 45.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | 2021 | 25/27 | 2.6 | 1.9 | 57.4% | 63.0% | 47.0% | 52.8% | 48.2% | 56.0% | 41.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2022 | 27/27 | 2.3 | 2.3 | 60.3% | 63.5% | 49.7% | 46.3% | 50.8% | 58.1% | 44.1% | 2019 | 12/12 | 1.9 | 2.5 | 63.2% | 61.8% | 44.4% | 47.7% | 48.9% | 55.3% | 44.0% |
| 22 | 2023 | 15/15 | 1.8 | 1.9 | 62.3% | 62.1% | 45.6% | 55.2% | 40.6% | 55.8% | 39.5% | 2020 | 6/6 | 2.5 | 2.3 | 66.3% | 55.3% | 42.4% | 51.5% | 46.3% | 50.8% | 40.5% |
| 23 | 2024 | 2/2 | 0.5 | 2.5 | 66.4% | 50.2% | 57.5% | 64.3% | 22.2% | 52.7% | 34.9% | 2021 | 12/12 | 2.3 | 3.5 | 62.2% | 60.6% | 44.7% | 40.4% | 46.3% | 54.6% | 41.1% |
| 24 | 2025 | 2/9 | 4.5 | 4.0 | 65.7% | 71.1% | 35.4% | 20.0% | 51.4% | 58.9% | 39.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 25 | 2026 | 5/5 | 1.0 | 3.2 | 58.4% | 62.3% | 46.7% | 42.0% | 28.5% | 56.1% | 37.4% | 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 | — | 93/102 | 2.3 | 2.2 | 60.7% | 61.6% | 47.2% | 49.4% | 46.7% | 55.9% | 42.0% | — | 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 | Kaja Juvan | 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 | |
| 17 | 2018 | 1490 | 104.5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2019 | 1596 | 119.8 | -0.11 | +0.98 | 0.965 | 49.3% | — | -1 | +89 | 37.5% | -0.25 | 2–2 (50%) | 0–1 | — | +0.08 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2020 | 1622 | 117.4 | -3.28 | +0.38 | 0.894 | 47.4% | -71 | +49 | — | 40.7% | -0.96 | 2–3 (40%) | 2–1 (67%) | 100.8 | -0.42 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2021 | 1613 | 125.5 | -0.19 | -0.53 | 0.948 | 49.1% | 0 | -39 | +95 | 49.1% | -0.40 | 3–4 (43%) | 5–3 (63%) | 101.7 | -0.42 | 2018 | 1500 | 99.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2022 | 1666 | 130.5 | +0.88 | +0.29 | 1.052 | 51.0% | -32 | +57 | +5 | 53.3% | +0.40 | 2–6 (25%) | 5–10 (33%) | 94.9 | +1.39 | 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 | 2023 | 1646 | 122.9 | -0.31 | -1.51 | 0.894 | 47.8% | -15 | +71 | — | 51.7% | +0.03 | 2–1 (67%) | 0–1 | — | +0.43 | 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 | 2024 | 1647 | 103.9 | -0.08 | -1.83 | 0.738 | 43.8% | — | — | — | 50.0% | -0.75 | — | — | — | +0.27 | 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 | 2025 | 1719 | 116.2 | -0.98 | -1.73 | 0.965 | 49.2% | -38 | +50 | — | 50.0% | +0.23 | 3–5 (38%) | 1–2 (33%) | 96.0 | +0.46 | 2022 | 1600 | 100.4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2026 | 1660 | 112.7 | +0.26 | -0.15 | 0.853 | 46.9% | -6 | — | — | 40.0% | -1.40 | — | 1–0 | — | -0.40 | 2023 | 1525 | 107.9 | -1.29 | -0.98 | 0.868 | 46.9% | — | +32 | — | 27.3% | -1.64 | 0–1 | — | — | +0.28 |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1496 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 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 | — | 1758 | 128.0 | -0.25 | -0.28 | 0.952 | 49.0% | -20 | +37 | +52 | 48.5% | -0.17 | 14–21 (40%) | 14–18 (44%) | 96.9 | +1.38 | — | 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 |
|---|---|---|---|---|---|
| Iga Swiatek | 0 | 3 | 3 | Sep 3, 2023 | H2H |
| Anna Karolina Schmiedlova | 0 | 3 | 3 | Oct 21, 2021 | H2H |
| Claire Liu | 2 | 0 | 2 | Feb 24, 2026 | H2H |
| Elena Rybakina | 0 | 2 | 2 | Jan 20, 2026 | H2H |
| Maria Timofeeva | 1 | 1 | 2 | Jul 15, 2025 | 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 |