Jana Cepelova
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Annika Beck | 1 | 4 | 5 | Feb 23, 2017 | H2H |
| Elena Vesnina | 2 | 2 | 4 | Mar 24, 2016 | H2H |
| Katerina Siniakova | 0 | 3 | 3 | May 2, 2019 | H2H |
| Simona Halep | 1 | 2 | 3 | May 30, 2017 | H2H |
| Andrea Petkovic | 1 | 2 | 3 | Mar 23, 2017 | H2H |
H2H data updated: 2026-09-14 00:00 UTC
Jana Cepelova vs Kristie Ahn H2H: 0-1
Kristie Ahn holds a 1–0 lead over Jana Cepelova in their WTA head-to-head. Across 1 main-draw meeting, Kristie Ahn leads 1–0 on hard courts. Most recently, Kristie Ahn won the 2017 Monterrey Open first round 6-4 6-2.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
0
–
1
1 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Kristie Ahn | 6-4 6-2 | Jana Cepelova | Match data | Apr 6, 2017* | R32 | Monterrey 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 |
| Kristie Ahn | #1,053 | #87 | 745 | 1,707 | 16 | 29 | 35.6% | 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 | Kristie Ahn | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | — | — | — | — | — | — | — | 2008 | 0–1 | 0.0% | #451 | 1,498 | 0 | 0 |
| 18 | 2011 | 0–1 | 0.0% | #201 | 1,485 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2012 | 5–5 | 50.0% | #111 | 1,535 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2013 | 7–14 | 33.3% | #76 | 1,510 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2014 | 18–19 | 48.6% | #56 | 1,599 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2015 | 5–10 | 33.3% | #147 | 1,575 | 0 | 0 | 2014 | 0–1 | 0.0% | #637 | 1,492 | 0 | 0 |
| 23 | 2016 | 9–12 | 42.9% | #100 | 1,631 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 2017 | 8–21 | 27.6% | #108 | 1,627 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 2018 | 2–5 | 28.6% | #188 | 1,625 | 0 | 0 | 2017 | 4–5 | 44.4% | #112 | 1,533 | 0 | 0 |
| 26 | 2019 | 1–5 | 16.7% | #158 | 1,619 | 0 | 0 | 2018 | 1–6 | 14.3% | #200 | 1,585 | 0 | 0 |
| 27 | — | — | — | — | — | — | — | 2019 | 9–7 | 56.2% | #94 | 1,659 | 0 | 0 |
| 28 | — | — | — | — | — | — | — | 2020 | 0–5 | 0.0% | #108 | 1,630 | 0 | 0 |
| 29 | — | — | — | — | — | — | — | 2021 | 2–4 | 33.3% | #259 | 1,540 | 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 | Kristie Ahn | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2008 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 18 | 2011 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2012 | 3 | 3 | 6 | 50.0% | 0 | 1 | 1 | 0.0% | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2013 | 4 | 9 | 13 | 30.8% | 2 | 3 | 5 | 40.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2014 | 10 | 12 | 22 | 45.5% | 8 | 5 | 13 | 61.5% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2015 | 1 | 6 | 7 | 14.3% | 3 | 3 | 6 | 50.0% | 1 | 1 | 2 | 50.0% | 2014 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 23 | 2016 | 5 | 7 | 12 | 41.7% | 2 | 4 | 6 | 33.3% | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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% | — | — | — | — | 2017 | 2 | 4 | 6 | 33.3% | — | — | — | — | 2 | 1 | 3 | 66.7% |
| 26 | 2019 | 0 | 3 | 3 | 0.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | 2018 | 0 | 4 | 4 | 0.0% | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2019 | 8 | 5 | 13 | 61.5% | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2020 | 0 | 4 | 4 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2021 | — | — | — | — | 0 | 2 | 2 | 0.0% | 2 | 2 | 4 | 50.0% |
| Career | — | 29 | 59 | 88 | 33.0% | 19 | 23 | 42 | 45.2% | 7 | 10 | 17 | 41.2% | — | 10 | 19 | 29 | 34.5% | 2 | 5 | 7 | 28.6% | 4 | 5 | 9 | 44.4% |
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 44/45 of Kristie Ahn'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 | Kristie Ahn | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | —/— | — | — | — | — | — | — | — | — | — | 2008 | 1/1 | 1.0 | 1.0 | 70.6% | 66.7% | 33.3% | 40.0% | 11.1% | 56.9% | 34.2% |
| 18 | 2011 | 1/1 | 2.0 | 5.0 | 86.4% | 50.9% | 11.1% | 53.8% | 25.0% | 45.5% | 40.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 19 | 2012 | 9/10 | 1.3 | 2.7 | 66.5% | 58.4% | 44.1% | 49.8% | 44.8% | 53.6% | 45.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 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% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2015 | 12/15 | 0.4 | 2.6 | 69.0% | 51.6% | 43.2% | 43.7% | 42.8% | 48.3% | 40.4% | 2014 | 1/1 | 1.0 | 2.0 | 67.7% | 66.7% | 30.0% | 33.3% | 33.3% | 54.8% | 32.2% |
| 23 | 2016 | 21/21 | 1.0 | 3.5 | 64.5% | 59.8% | 43.9% | 45.0% | 50.4% | 54.1% | 43.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 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% | 2017 | 9/9 | 1.3 | 2.3 | 64.6% | 64.9% | 53.3% | 55.4% | 45.8% | 61.2% | 45.4% |
| 26 | 2019 | 6/6 | 0.5 | 2.3 | 62.5% | 54.9% | 37.2% | 24.8% | 54.2% | 46.8% | 44.3% | 2018 | 6/7 | 1.2 | 2.7 | 66.1% | 57.2% | 42.7% | 55.1% | 50.9% | 52.1% | 37.9% |
| 27 | — | —/— | — | — | — | — | — | — | — | — | — | 2019 | 16/16 | 1.1 | 2.6 | 60.0% | 59.4% | 48.8% | 51.6% | 46.9% | 55.8% | 42.4% |
| 28 | — | —/— | — | — | — | — | — | — | — | — | — | 2020 | 5/5 | 1.2 | 3.6 | 58.0% | 56.7% | 42.8% | 52.9% | 55.6% | 50.7% | 35.1% |
| 29 | — | —/— | — | — | — | — | — | — | — | — | — | 2021 | 6/6 | 1.0 | 1.8 | 62.3% | 59.0% | 38.9% | 44.2% | 32.0% | 50.4% | 39.1% |
| Career | — | 141/147 | 1.0 | 2.7 | 65.4% | 57.2% | 41.7% | 46.2% | 48.8% | 51.8% | 43.6% | — | 44/45 | 1.2 | 2.5 | 62.3% | 60.2% | 46.1% | 51.3% | 45.1% | 55.1% | 40.7% |
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 | Kristie Ahn | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2008 | 1499 | 109.2 | +3.29 | +3.17 | 0.794 | 43.5% | — | — | — | 0.0% | -2.50 | — | — | — | -0.27 |
| 18 | 2011 | 1486 | 97.3 | +0.56 | -1.05 | 0.740 | 43.2% | — | — | — | 0.0% | -3.50 | — | — | — | +0.07 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | 2014 | 1492 | 101.3 | -2.84 | +4.06 | 0.713 | 43.8% | — | — | — | 0.0% | -3.00 | — | — | — | -0.03 |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | 2017 | 1534 | 111.8 | +1.76 | +0.63 | 1.170 | 52.8% | -45 | — | +139 | 50.0% | +0.30 | 0–2 | 0–1 | — | -0.16 |
| 26 | 2019 | 1619 | 111.1 | -2.22 | +0.48 | 0.832 | 45.4% | +46 | -54 | — | 27.3% | -1.36 | 0–1 | — | — | -0.45 | 2018 | 1586 | 117.3 | -2.65 | -0.75 | 0.791 | 45.2% | -17 | — | — | 20.0% | -2.00 | 0–1 | 0–1 | — | -0.25 |
| 27 | 2020 | 1567 | 95.3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2019 | 1660 | 125.1 | +0.04 | -0.01 | 0.959 | 49.4% | +2 | — | — | 54.1% | -0.08 | 3–2 (60%) | 4–1 (80%) | 103.9 | +0.11 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2020 | 1631 | 119.9 | -0.89 | -0.51 | 0.713 | 43.5% | +10 | — | — | 0.0% | -3.38 | — | 0–1 | — | -0.86 |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2021 | 1541 | 97.1 | -2.88 | -3.00 | 0.788 | 44.6% | — | — | +113 | 33.3% | -1.50 | 2–0 | 1–1 | — | +0.39 |
| 30 | 2023 | 1546 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | 1708 | 120.6 | -0.47 | -0.28 | 0.906 | 48.0% | -10 | — | +124 | 38.5% | -0.86 | 5–5 (50%) | 5–5 (50%) | 101.2 | -2.38 |
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.
Kristie Ahn
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Serena Williams | 0 | 2 | 2 | Sep 29, 2020 | H2H |
| Donna Vekic | 0 | 2 | 2 | Feb 13, 2020 | H2H |
| Elise Mertens | 1 | 1 | 2 | Sep 3, 2019 | H2H |
| Jelena Ostapenko | 2 | 0 | 2 | Aug 31, 2019 | H2H |
| Svetlana Kuznetsova | 1 | 1 | 2 | Aug 28, 2019 | H2H |