H2H data updated: 2026-09-14 00:00 UTC
Kaja Juvan holds a 1–0 lead over Katie Boulter 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 2023 Korea Open first round 6-4 6-4.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Kaja Juvan | 6-4 6-4 | Katie Boulter | Match data | Oct 12, 2023* | R32 | Korea Open | WTA 250 | Hard |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Katie Boulter | #62 | #23 | 1,931 | 1,857 | 96 | 96 | 50.0% | 0 | 0 | 0 | 1 | 3 | 4 |
| Kaja Juvan | #168 | #58 | 1,040 | 1,757 | 46 | 56 | 45.1% | 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 | Katie Boulter | Kaja Juvan | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2017 | 0–1 | 0.0% | #198 | 1,482 | 0 | 0 | 2021 | 13–14 | 48.1% | #100 | 1,613 | 0 | 0 |
| 21 | 2018 | 6–8 | 42.9% | #97 | 1,594 | 0 | 0 | 2022 | 13–14 | 48.1% | #89 | 1,665 | 0 | 0 |
| 22 | 2019 | 2–3 | 40.0% | #319 | 1,611 | 0 | 0 | 2023 | 7–8 | 46.7% | #106 | 1,645 | 0 | 0 |
| 23 | 2020 | 1–2 | 33.3% | #365 | 1,613 | 0 | 0 | 2024 | 1–1 | 50.0% | #596 | 1,646 | 0 | 0 |
| 24 | 2021 | 8–10 | 44.4% | #149 | 1,628 | 0 | 0 | 2025 | 4–5 | 44.4% | #102 | 1,718 | 0 | 0 |
| 25 | 2022 | 9–8 | 52.9% | #136 | 1,738 | 0 | 0 | 2026 | 2–3 | 40.0% | #168 | 1,660 | 0 | 0 |
| 26 | 2023 | 11–10 | 52.4% | #56 | 1,738 | 0 | 1 | — | — | — | — | — | — | — |
| 27 | 2024 | 29–20 | 59.2% | #24 | 1,822 | 0 | 3 | — | — | — | — | — | — | — |
| 28 | 2025 | 11–18 | 37.9% | #106 | 1,750 | 0 | 3 | — | — | — | — | — | — | — |
| 29 | 2026 | 19–16 | 54.3% | #62 | 1,772 | 0 | 4 | — | — | — | — | — | — | — |
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 | Katie Boulter | Kaja Juvan | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2017 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | 2021 | 10 | 10 | 20 | 50.0% | 1 | 3 | 4 | 25.0% | 2 | 1 | 3 | 66.7% |
| 21 | 2018 | 3 | 5 | 8 | 37.5% | — | — | — | — | 3 | 3 | 6 | 50.0% | 2022 | 6 | 8 | 14 | 42.9% | 5 | 3 | 8 | 62.5% | 2 | 3 | 5 | 40.0% |
| 22 | 2019 | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — | 2023 | 4 | 5 | 9 | 44.4% | 2 | 2 | 4 | 50.0% | 1 | 1 | 2 | 50.0% |
| 23 | 2020 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | 2024 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
| 24 | 2021 | 4 | 8 | 12 | 33.3% | — | — | — | — | 4 | 2 | 6 | 66.7% | 2025 | 1 | 3 | 4 | 25.0% | 3 | 1 | 4 | 75.0% | 0 | 1 | 1 | 0.0% |
| 25 | 2022 | 2 | 4 | 6 | 33.3% | — | — | — | — | 7 | 4 | 11 | 63.6% | 2026 | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — |
| 26 | 2023 | 4 | 7 | 11 | 36.4% | — | — | — | — | 7 | 3 | 10 | 70.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2024 | 21 | 13 | 34 | 61.8% | 0 | 4 | 4 | 0.0% | 8 | 3 | 11 | 72.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2025 | 5 | 12 | 17 | 29.4% | 2 | 3 | 5 | 40.0% | 4 | 3 | 7 | 57.1% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 12 | 8 | 20 | 60.0% | 4 | 5 | 9 | 44.4% | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 54 | 62 | 116 | 46.6% | 6 | 12 | 18 | 33.3% | 36 | 22 | 58 | 62.1% | — | 26 | 33 | 59 | 44.1% | 14 | 15 | 29 | 48.3% | 6 | 8 | 14 | 42.9% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 182/192 of Katie Boulter's and 93/102 of Kaja Juvan'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 | Katie Boulter | Kaja Juvan | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2017 | 1/1 | 6.0 | 2.0 | 57.5% | 68.0% | 43.2% | 44.4% | 50.0% | 57.5% | 38.4% | 2021 | 25/27 | 2.6 | 1.9 | 57.4% | 63.0% | 47.0% | 52.8% | 48.2% | 56.0% | 41.7% |
| 21 | 2018 | 12/14 | 4.3 | 2.5 | 57.6% | 63.2% | 48.6% | 49.8% | 43.7% | 56.6% | 39.4% | 2022 | 27/27 | 2.3 | 2.3 | 60.3% | 63.5% | 49.7% | 46.3% | 50.8% | 58.1% | 44.1% |
| 22 | 2019 | 5/5 | 5.8 | 4.8 | 57.0% | 73.0% | 43.6% | 62.8% | 41.0% | 60.2% | 36.6% | 2023 | 15/15 | 1.8 | 1.9 | 62.3% | 62.1% | 45.6% | 55.2% | 40.6% | 55.8% | 39.5% |
| 23 | 2020 | 3/3 | 2.0 | 5.0 | 52.9% | 64.6% | 48.7% | 51.9% | 66.3% | 56.7% | 37.0% | 2024 | 2/2 | 0.5 | 2.5 | 66.4% | 50.2% | 57.5% | 64.3% | 22.2% | 52.7% | 34.9% |
| 24 | 2021 | 18/18 | 2.8 | 4.5 | 57.4% | 64.7% | 49.2% | 55.7% | 46.3% | 57.9% | 40.6% | 2025 | 2/9 | 4.5 | 4.0 | 65.7% | 71.1% | 35.4% | 20.0% | 51.4% | 58.9% | 39.7% |
| 25 | 2022 | 17/17 | 2.8 | 4.1 | 60.0% | 69.4% | 40.6% | 53.2% | 47.5% | 57.9% | 39.5% | 2026 | 5/5 | 1.0 | 3.2 | 58.4% | 62.3% | 46.7% | 42.0% | 28.5% | 56.1% | 37.4% |
| 26 | 2023 | 21/21 | 3.9 | 5.2 | 58.0% | 67.7% | 43.8% | 59.7% | 49.1% | 58.0% | 43.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 27 | 2024 | 48/49 | 3.6 | 5.3 | 56.3% | 72.2% | 45.5% | 54.3% | 46.4% | 60.7% | 42.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 28 | 2025 | 24/29 | 2.7 | 6.3 | 59.0% | 62.3% | 39.7% | 47.0% | 50.3% | 53.4% | 41.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 33/35 | 1.9 | 5.5 | 59.3% | 67.0% | 39.8% | 46.6% | 44.3% | 56.4% | 42.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 182/192 | 3.1 | 5.0 | 57.9% | 67.7% | 43.6% | 52.5% | 47.0% | 57.7% | 41.6% | — | 93/102 | 2.3 | 2.2 | 60.7% | 61.6% | 47.2% | 49.4% | 46.7% | 55.9% | 42.0% |
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 | Katie Boulter | Kaja Juvan | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2016 | 1493 | 97.3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 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 | 2017 | 1483 | 99.7 | +1.01 | -1.68 | 0.903 | 47.3% | — | — | — | 33.3% | -0.67 | 0–1 | — | — | +0.04 | 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 |
| 21 | 2018 | 1594 | 115.0 | -0.12 | -1.06 | 0.907 | 47.7% | -27 | — | +22 | 45.5% | -0.70 | 2–3 (40%) | 2–0 | — | -0.32 | 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 |
| 22 | 2019 | 1612 | 118.1 | +1.64 | -0.86 | 0.919 | 48.0% | -15 | — | — | 41.7% | -0.50 | 1–1 | 1–0 | — | -0.20 | 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 |
| 23 | 2020 | 1613 | 109.1 | -0.24 | -1.93 | 0.856 | 47.8% | -3 | — | — | 28.6% | -0.57 | 1–0 | 0–1 | — | -0.13 | 2024 | 1647 | 103.9 | -0.08 | -1.83 | 0.738 | 43.8% | — | — | — | 50.0% | -0.75 | — | — | — | +0.27 |
| 24 | 2021 | 1629 | 122.0 | +0.87 | -1.11 | 0.965 | 49.3% | -39 | — | +50 | 47.5% | -0.35 | 3–3 (50%) | 1–1 | — | -0.81 | 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 |
| 25 | 2022 | 1738 | 131.0 | +0.12 | -1.36 | 0.939 | 49.0% | -68 | — | +130 | 53.8% | 0.00 | 4–3 (57%) | 4–1 (80%) | 106.4 | -0.69 | 2026 | 1660 | 112.7 | +0.26 | -0.15 | 0.853 | 46.9% | -6 | — | — | 40.0% | -1.40 | — | 1–0 | — | -0.40 |
| 26 | 2023 | 1738 | 126.8 | +0.54 | +0.56 | 1.039 | 51.1% | -58 | — | +162 | 52.1% | +0.40 | 3–3 (50%) | 2–4 (33%) | 99.1 | +1.53 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2024 | 1823 | 146.2 | +3.23 | -0.07 | 1.090 | 51.5% | +13 | -317 | +185 | 55.8% | +0.58 | 8–4 (67%) | 4–7 (36%) | 102.5 | +1.02 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2025 | 1750 | 130.9 | -2.50 | -0.85 | 0.879 | 47.3% | -17 | -99 | +247 | 38.0% | -0.80 | 8–5 (62%) | 3–4 (43%) | 100.8 | -1.84 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 1772 | 138.8 | -0.30 | +0.33 | 0.982 | 49.5% | +20 | -125 | +149 | 50.6% | +0.08 | 9–5 (64%) | 4–4 (50%) | 103.9 | -0.89 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1858 | 137.9 | +0.67 | -0.38 | 0.985 | 49.7% | -11 | -160 | +143 | 48.9% | -0.04 | 39–28 (58%) | 21–22 (49%) | 106.4 | -1.19 | — | 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 |
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 |
|---|---|---|---|---|---|
| Jasmine Paolini | 1 | 4 | 5 | Feb 28, 2026 | H2H |
| Beatriz Haddad Maia | 4 | 1 | 5 | Feb 24, 2026 | H2H |
| Karolina Pliskova | 3 | 2 | 5 | Jun 16, 2024 | H2H |
| Aryna Sabalenka | 0 | 4 | 4 | Aug 10, 2024 | H2H |
| Elena Rybakina | 1 | 2 | 3 | Jun 12, 2026 | H2H |
| 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 |