H2H data updated: 2026-09-14 00:00 UTC

Jana Cepelova vs Su Jeong Jang H2H: 1-0

Jana Cepelova holds a 1–0 lead over Su Jeong Jang in their WTA head-to-head. Across 1 main-draw meeting, Jana Cepelova leads 1–0 on hard courts. Most recently, Jana Cepelova won the 2016 Japan Women's Open second round 6-3 6-1.

Slovak Republic Age 33 Right-Handed 168 cm / 5'6"
H2H
1 0
1 main-draw meetings
Korea (South) Age 31 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Jana Cepelova #115 6-3 6-1 Su Jeong Jang #186 Match data Sep 16, 2016* R16 Japan Women's Open International modern equivalent 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.

Career Comparison

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
Jana Cepelova #894 #50 1,074 1,671 55 92 37.4% 0 0 0 0 0 0
Su Jeong Jang #476 #114 591 1,600 6 20 23.1% 0 0 0 0 0 0

Career Progression by Age

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 Jana Cepelova Su Jeong Jang
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 2011 0–1 0.0% #201 1,485 0 0 2013 2–1 66.7% #331 1,528 0 0
19 2012 5–5 50.0% #111 1,535 0 0 2014 0–1 0.0% #276 1,511 0 0
20 2013 7–14 33.3% #76 1,510 0 0 2015 0–2 0.0% #197 1,484 0 0
21 2014 18–19 48.6% #56 1,599 0 0 2016 2–3 40.0% #145 1,514 0 0
22 2015 5–10 33.3% #147 1,575 0 0 2017 0–4 0.0% #179 1,557 0 0
23 2016 9–12 42.9% #100 1,631 0 0 2018 0–2 0.0% #262 1,519 0 0
24 2017 8–21 27.6% #108 1,627 0 0
25 2018 2–5 28.6% #188 1,625 0 0
26 2019 1–5 16.7% #158 1,619 0 0
27 2022 0–2 0.0% #143 1,515 0 0
28 2023 2–3 40.0% #162 1,526 0 0
29 2024 0–2 0.0% #261 1,474 0 0

Surface Results by Age

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 Jana Cepelova Su Jeong Jang
Yr HardClayGrass Yr HardClayGrass
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 2011 0 1 1 0.0% 2013 2 1 3 66.7%
19 2012 3 3 6 50.0% 0 1 1 0.0% 2 1 3 66.7% 2014 0 1 1 0.0%
20 2013 4 9 13 30.8% 2 3 5 40.0% 1 2 3 33.3% 2015 0 2 2 0.0%
21 2014 10 12 22 45.5% 8 5 13 61.5% 0 2 2 0.0% 2016 2 3 5 40.0%
22 2015 1 6 7 14.3% 3 3 6 50.0% 1 1 2 50.0% 2017 0 4 4 0.0%
23 2016 5 7 12 41.7% 2 4 6 33.3% 2 1 3 66.7% 2018 0 2 2 0.0%
24 2017 4 14 18 22.2% 3 4 7 42.9% 1 3 4 25.0%
25 2018 2 4 6 33.3% 0 1 1 0.0%
26 2019 0 3 3 0.0% 1 2 3 33.3%
27 2022 0 2 2 0.0%
28 2023 2 3 5 40.0%
29 2024 0 2 2 0.0%
Career 29 59 88 33.0% 19 23 42 45.2% 7 10 17 41.2% 6 20 26 23.1%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 141/147 of Jana Cepelova's and 23/24 of Su Jeong Jang'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 Jana Cepelova Su Jeong Jang
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 2011 1/1 2.0 5.0 86.4% 50.9% 11.1% 53.8% 25.0% 45.5% 40.4% 2013 2/3 1.0 5.0 58.9% 55.3% 47.8% 42.1% 37.5% 52.2% 40.2%
19 2012 9/10 1.3 2.7 66.5% 58.4% 44.1% 49.8% 44.8% 53.6% 45.4% 2014 1/1 3.0 6.0 63.6% 51.4% 40.0% 43.8% 36.0% 47.3% 50.8%
20 2013 21/21 1.0 2.7 64.1% 54.6% 39.5% 44.2% 52.4% 49.4% 42.5% —/—
21 2014 36/37 1.1 2.3 67.6% 56.9% 44.2% 52.4% 51.9% 53.1% 45.6% 2016 5/5 0.6 3.8 64.7% 59.2% 37.2% 53.7% 41.2% 51.6% 42.6%
22 2015 12/15 0.4 2.6 69.0% 51.6% 43.2% 43.7% 42.8% 48.3% 40.4% 2017 4/4 3.0 2.0 63.1% 63.0% 34.3% 59.8% 38.2% 52.4% 38.5%
23 2016 21/21 1.0 3.5 64.5% 59.8% 43.9% 45.0% 50.4% 54.1% 43.3% 2018 2/2 1.0 4.0 62.5% 55.9% 30.5% 47.2% 25.0% 47.4% 36.7%
24 2017 28/29 1.0 2.9 62.6% 60.1% 38.9% 43.3% 43.7% 52.2% 42.9% —/—
25 2018 7/7 1.3 2.4 64.5% 58.3% 43.6% 51.6% 51.1% 53.2% 42.9% —/—
26 2019 6/6 0.5 2.3 62.5% 54.9% 37.2% 24.8% 54.2% 46.8% 44.3% —/—
27 —/— 2022 2/2 1.5 2.0 73.1% 56.2% 45.6% 58.1% 40.4% 53.4% 41.2%
28 —/— 2023 5/5 1.6 3.0 68.9% 60.8% 49.5% 55.8% 67.0% 56.7% 44.9%
29 —/— 2024 2/2 3.0 7.0 61.3% 59.6% 31.3% 51.4% 73.7% 48.3% 46.9%
Career 141/147 1.0 2.7 65.4% 57.2% 41.7% 46.2% 48.8% 51.8% 43.6% 23/26 1.7 3.7 65.0% 59.0% 40.0% 53.4% 47.1% 52.2% 42.3%

Advanced Statistics Comparison by Age

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 Jana Cepelova Su Jeong Jang
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
18 2011 1486 97.3 +0.56 -1.05 0.740 43.2% 0.0% -3.50 +0.07 2013 1528 107.7 +0.04 -1.42 0.842 46.5% +24 57.1% +0.29 1–0 +0.05
19 2012 1535 104.0 +0.24 +0.88 0.978 49.6% -13 +117 43.5% -0.39 3–0 (100%) 1–2 (33%) 103.5 +0.42 2014 1511 99.5 +0.02 -1.03 0.964 49.1% 33.3% -0.67 0–1 0–1 +0.12
20 2013 1511 109.4 -5.00 -1.81 0.840 45.9% -15 +25 +91 35.4% -1.19 3–3 (50%) 3–2 (60%) 102.3 +0.41 2015 1484 95.9 0.0% -3.75 0–1 +0.08
21 2014 1599 124.4 -2.47 +1.17 0.972 49.3% -50 +49 48.8% -0.24 6–6 (50%) 6–2 (75%) 105.4 +0.63 2016 1515 100.4 -2.13 -1.11 0.880 46.7% +9 36.4% -1.00 1–0 +0.16
22 2015 1575 106.4 -3.91 -1.07 0.783 44.6% -70 +65 35.3% -1.18 4–2 (67%) 2–2 (50%) 102.6 -1.09 2017 1557 107.5 -1.43 +0.33 0.808 45.6% +12 0.0% -2.50 0–1 -0.39
23 2016 1632 123.6 -1.51 +0.12 0.945 48.8% -32 -37 -17 44.9% -0.35 3–4 (43%) 2–1 (67%) 101.0 -1.31 2018 1520 97.8 -2.13 -2.19 0.698 41.9% 20.0% -2.60 0–1 +0.19
24 2017 1627 118.6 -2.44 -0.29 0.898 47.4% -28 -13 -11 32.8% -1.11 3–7 (30%) 4–4 (50%) 96.2 -1.67 2019 1500 95.0
25 2018 1626 119.0 -1.48 -0.41 0.915 48.0% +7 38.9% -0.72 1–3 (25%) 1–1 -0.49
26 2019 1619 111.1 -2.22 +0.48 0.832 45.4% +46 -54 27.3% -1.36 0–1 -0.45
27 2020 1567 95.3 2022 1515 97.6 -2.70 -3.54 0.884 46.9% 20.0% -1.20 0–1 +0.36
28 2023 1527 114.8 -0.43 +1.91 1.038 50.8% -21 41.7% +0.25 1–1 0–1 +0.03
29 2024 1474 105.0 -1.15 -0.13 0.907 47.8% 20.0% -1.20 0–1 0–1 +0.20
30 2023 1546 2025 1444 98.3
Career 1671 120.4 -2.57 -0.05 0.905 47.7% -30 +17 +41 40.0% -0.75 23–26 (47%) 19–14 (58%) 104.7 -2.37 1601 106.6 -1.32 -0.45 0.884 47.2% +4 28.3% -1.13 3–5 (38%) 0–5 (0%) 94.2 +3.08

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.