H2H data updated: 2026-09-14 00:00 UTC
Anna Karolina Schmiedlova holds a 1–0 lead over Katarzyna Piter in their WTA head-to-head. Across 1 main-draw meeting, Anna Karolina Schmiedlova leads 1–0 on hard courts. Most recently, Anna Karolina Schmiedlova won the 2016 Korea Open first round 6-3 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.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Anna Karolina Schmiedlova | 6-3 6-2 | Katarzyna Piter | Match data | Sep 22, 2016* | R32 | Korea 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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Anna Karolina Schmiedlova | #379 | #26 | 1,875 | 1,789 | 120 | 164 | 42.3% | 0 | 0 | 0 | 0 | 3 | 3 |
| Katarzyna Piter | #1,075 | #95 | 648 | 1,574 | 8 | 20 | 28.6% | 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 | Anna Karolina Schmiedlova | Katarzyna Piter | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | — | — | — | — | — | — | — | 2007 | 0–1 | 0.0% | #676 | 1,498 | 0 | 0 |
| 18 | 2013 | 3–7 | 30.0% | #83 | 1,513 | 0 | 0 | 2009 | 0–1 | 0.0% | #334 | 1,491 | 0 | 0 |
| 19 | 2014 | 5–17 | 22.7% | #73 | 1,451 | 0 | 0 | 2010 | 1–1 | 50.0% | #249 | 1,505 | 0 | 0 |
| 20 | 2015 | 37–21 | 63.8% | #26 | 1,761 | 0 | 2 | — | — | — | — | — | — | — |
| 21 | 2016 | 5–24 | 17.2% | #227 | 1,499 | 0 | 2 | — | — | — | — | — | — | — |
| 22 | — | — | — | — | — | — | — | 2013 | 3–2 | 60.0% | #119 | 1,548 | 0 | 0 |
| 23 | 2018 | 12–14 | 46.2% | #78 | 1,548 | 0 | 3 | 2014 | 4–12 | 25.0% | #163 | 1,472 | 0 | 0 |
| 24 | 2019 | 7–12 | 36.8% | #134 | 1,627 | 0 | 3 | — | — | — | — | — | — | — |
| 25 | 2020 | 4–5 | 44.4% | #135 | 1,677 | 0 | 3 | 2016 | 0–1 | 0.0% | #243 | 1,466 | 0 | 0 |
| 26 | 2021 | 14–14 | 50.0% | #85 | 1,671 | 0 | 3 | — | — | — | — | — | — | — |
| 27 | 2022 | 7–17 | 29.2% | #103 | 1,621 | 0 | 3 | 2018 | 0–1 | 0.0% | #290 | 1,471 | 0 | 0 |
| 28 | 2023 | 11–14 | 44.0% | #72 | 1,649 | 0 | 3 | — | — | — | — | — | — | — |
| 29 | 2024 | 15–19 | 44.1% | #110 | 1,709 | 0 | 3 | — | — | — | — | — | — | — |
| 30 | — | — | — | — | — | — | — | 2021 | 0–1 | 0.0% | #518 | 1,421 | 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 | Anna Karolina Schmiedlova | Katarzyna Piter | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2007 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 18 | 2013 | 1 | 3 | 4 | 25.0% | 2 | 3 | 5 | 40.0% | 0 | 1 | 1 | 0.0% | 2009 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 19 | 2014 | 3 | 10 | 13 | 23.1% | 2 | 5 | 7 | 28.6% | 0 | 2 | 2 | 0.0% | 2010 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 20 | 2015 | 21 | 12 | 33 | 63.6% | 15 | 6 | 21 | 71.4% | 1 | 3 | 4 | 25.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2016 | 4 | 14 | 18 | 22.2% | 1 | 8 | 9 | 11.1% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2013 | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — |
| 23 | 2018 | 5 | 8 | 13 | 38.5% | 7 | 5 | 12 | 58.3% | 0 | 1 | 1 | 0.0% | 2014 | 1 | 7 | 8 | 12.5% | 3 | 4 | 7 | 42.9% | 0 | 1 | 1 | 0.0% |
| 24 | 2019 | 4 | 5 | 9 | 44.4% | 3 | 6 | 9 | 33.3% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2020 | 1 | 3 | 4 | 25.0% | 3 | 2 | 5 | 60.0% | — | — | — | — | 2016 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 26 | 2021 | 9 | 8 | 17 | 52.9% | 5 | 6 | 11 | 45.5% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2022 | 3 | 7 | 10 | 30.0% | 3 | 9 | 12 | 25.0% | 1 | 1 | 2 | 50.0% | 2018 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 28 | 2023 | 6 | 9 | 15 | 40.0% | 5 | 4 | 9 | 55.6% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2024 | 6 | 10 | 16 | 37.5% | 9 | 8 | 17 | 52.9% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2021 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| Career | — | 63 | 89 | 152 | 41.4% | 55 | 62 | 117 | 47.0% | 2 | 13 | 15 | 13.3% | — | 4 | 10 | 14 | 28.6% | 4 | 8 | 12 | 33.3% | 0 | 2 | 2 | 0.0% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 253/285 of Anna Karolina Schmiedlova's and 24/28 of Katarzyna Piter'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 | Anna Karolina Schmiedlova | Katarzyna Piter | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | —/— | — | — | — | — | — | — | — | — | — | 2007 | 1/1 | 0.0 | 5.0 | 71.7% | 55.8% | 41.2% | 33.3% | 50.0% | 51.7% | 34.4% |
| 18 | 2013 | 6/10 | 1.3 | 3.5 | 66.6% | 55.4% | 39.6% | 38.9% | 37.7% | 49.9% | 36.8% | 2009 | 1/1 | 0.0 | 4.0 | 58.6% | 17.6% | 16.7% | 25.0% | 0.0% | 17.2% | 31.7% |
| 19 | 2014 | 19/22 | 0.8 | 4.5 | 64.5% | 56.2% | 37.6% | 46.0% | 42.1% | 49.6% | 41.4% | 2010 | 2/2 | 2.0 | 6.0 | 56.8% | 58.7% | 25.9% | 25.0% | 73.5% | 44.4% | 36.2% |
| 20 | 2015 | 44/58 | 1.7 | 3.9 | 67.2% | 63.7% | 52.3% | 47.4% | 54.1% | 60.1% | 46.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2016 | 25/29 | 1.4 | 5.8 | 61.8% | 55.1% | 35.3% | 45.2% | 38.9% | 47.6% | 41.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | — | —/— | — | — | — | — | — | — | — | — | — | 2013 | 5/5 | 0.8 | 2.6 | 63.3% | 59.2% | 48.4% | 64.9% | 53.1% | 54.9% | 43.8% |
| 23 | 2018 | 26/26 | 1.0 | 3.8 | 61.5% | 57.8% | 44.5% | 49.5% | 47.5% | 52.4% | 47.5% | 2014 | 12/16 | 1.8 | 4.4 | 63.1% | 53.8% | 40.3% | 51.4% | 42.0% | 49.0% | 38.8% |
| 24 | 2019 | 19/19 | 1.6 | 4.6 | 63.0% | 55.3% | 40.1% | 49.9% | 48.5% | 49.6% | 44.9% | — | —/— | — | — | — | — | — | — | — | — | — |
| 25 | 2020 | 9/9 | 1.2 | 5.1 | 66.1% | 54.7% | 39.2% | 48.3% | 40.7% | 49.6% | 47.1% | 2016 | 1/1 | 0.0 | 4.0 | 57.7% | 50.0% | 36.4% | 28.6% | 33.3% | 44.2% | 40.0% |
| 26 | 2021 | 28/28 | 1.4 | 2.6 | 60.4% | 61.7% | 47.5% | 41.6% | 44.4% | 56.1% | 43.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 27 | 2022 | 24/24 | 1.6 | 3.6 | 55.6% | 55.5% | 42.3% | 43.9% | 45.5% | 49.7% | 42.7% | 2018 | 1/1 | 1.0 | 2.0 | 57.8% | 57.7% | 47.4% | 0.0% | 25.0% | 53.3% | 27.5% |
| 28 | 2023 | 25/25 | 2.3 | 3.9 | 57.7% | 63.0% | 43.5% | 50.1% | 47.0% | 54.8% | 44.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 29 | 2024 | 28/35 | 1.4 | 3.9 | 59.0% | 58.2% | 37.7% | 38.7% | 45.9% | 49.8% | 41.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 30 | — | —/— | — | — | — | — | — | — | — | — | — | 2021 | 1/1 | 3.0 | 4.0 | 56.3% | 65.0% | 41.9% | 37.5% | 42.9% | 54.9% | 35.3% |
| Career | — | 253/285 | 1.5 | 4.0 | 61.8% | 58.8% | 43.0% | 45.6% | 46.2% | 52.8% | 43.8% | — | 24/28 | 1.4 | 4.0 | 62.0% | 54.4% | 40.1% | 46.5% | 44.5% | 48.9% | 38.6% |
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 | Anna Karolina Schmiedlova | Katarzyna Piter | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2007 | 1498 | 108.9 | +0.50 | +4.61 | 0.712 | 43.0% | — | — | — | 0.0% | -2.50 | — | — | — | -0.18 |
| 18 | 2013 | 1513 | 107.5 | -2.55 | -1.79 | 0.735 | 43.3% | +4 | +32 | — | 27.3% | -1.41 | 2–0 | 2–0 | — | -0.75 | 2009 | 1492 | 93.6 | -2.41 | -1.70 | 0.383 | 25.7% | — | — | — | 0.0% | -6.00 | — | — | — | -0.06 |
| 19 | 2014 | 1451 | 105.1 | -3.60 | -1.95 | 0.821 | 45.5% | +19 | +70 | — | 29.6% | -1.50 | 4–6 (40%) | 2–4 (33%) | 98.9 | -0.14 | 2010 | 1506 | 101.0 | -1.13 | -0.93 | 0.651 | 40.4% | — | — | — | 40.0% | -1.60 | 1–0 | 1–0 | — | +0.16 |
| 20 | 2015 | 1761 | 134.2 | +1.36 | +3.78 | 1.157 | 53.2% | -42 | -43 | -237 | 57.8% | +0.62 | 15–6 (71%) | 4–7 (36%) | 106.3 | +1.48 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2016 | 1499 | 101.8 | -5.62 | -1.28 | 0.789 | 44.7% | +47 | +48 | — | 24.2% | -1.73 | 2–6 (25%) | 0–2 | — | -0.14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2017 | 1469 | 95.5 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2013 | 1548 | 110.2 | -0.66 | -1.69 | 0.971 | 49.7% | +15 | — | — | 53.8% | +0.08 | 2–1 (67%) | 1–1 | — | -0.22 |
| 23 | 2018 | 1548 | 112.3 | -2.82 | +2.01 | 0.997 | 50.0% | -48 | +99 | — | 46.6% | -0.47 | 3–7 (30%) | 2–3 (40%) | 97.9 | +1.08 | 2014 | 1473 | 94.4 | -4.47 | -3.09 | 0.761 | 44.1% | +3 | +81 | — | 28.9% | -1.76 | 3–3 (50%) | 1–3 (25%) | — | +0.10 |
| 24 | 2019 | 1628 | 110.4 | -4.82 | +1.29 | 0.890 | 47.2% | -94 | +45 | — | 40.9% | -0.89 | 2–4 (33%) | 2–5 (29%) | 95.9 | -0.11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2020 | 1678 | 118.9 | -2.76 | +0.91 | 0.934 | 48.3% | -120 | +75 | — | 45.5% | -0.54 | 2–2 (50%) | 1–0 | — | -0.49 | 2016 | 1467 | 92.6 | -2.75 | -6.59 | 0.717 | 41.9% | — | — | — | 0.0% | -3.50 | — | — | — | +0.11 |
| 26 | 2021 | 1672 | 118.8 | -0.62 | -0.75 | 0.988 | 49.9% | -64 | +96 | — | 50.0% | -0.08 | 5–5 (50%) | 3–1 (75%) | 101.9 | +0.76 | 2017 | 1449 | 88.2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2022 | 1622 | 117.7 | -4.76 | -1.06 | 0.848 | 46.3% | -19 | +88 | — | 33.3% | -1.30 | 2–4 (33%) | 3–2 (60%) | 98.4 | -0.42 | 2018 | 1471 | 98.5 | -0.69 | -1.43 | 0.588 | 39.6% | — | — | — | 0.0% | -3.00 | — | — | — | -0.09 |
| 28 | 2023 | 1649 | 122.9 | -1.95 | +0.20 | 0.988 | 49.9% | -38 | +93 | — | 46.6% | -0.07 | 3–5 (38%) | 3–2 (60%) | 97.3 | +1.24 | 2019 | 1466 | 99.7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2024 | 1710 | 128.0 | -5.04 | -1.14 | 0.820 | 45.7% | -67 | +116 | — | 40.3% | -0.99 | 8–5 (62%) | 4–2 (67%) | 105.8 | -1.49 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2025 | 1633 | 99.2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2021 | 1421 | 87.4 | +0.59 | +3.47 | 0.783 | 44.2% | — | — | — | 33.3% | -1.67 | 0–1 | — | — | -0.20 |
| 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2022 | 1415 | 97.0 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 35 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1403 | 97.4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1790 | 122.4 | -2.67 | +0.39 | 0.928 | 48.4% | -34 | +60 | -237 | 42.7% | -0.57 | 48–50 (49%) | 26–28 (48%) | 101.6 | +0.36 | — | 1575 | 92.7 | -2.67 | -2.04 | 0.754 | 43.9% | +8 | +81 | — | 31.3% | -1.62 | 6–5 (55%) | 3–4 (43%) | 102.2 | -1.36 |
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 |
|---|---|---|---|---|---|
| Aliaksandra Sasnovich | 1 | 7 | 8 | Jul 20, 2024 | H2H |
| Irina-Camelia Begu | 4 | 2 | 6 | Jul 15, 2021 | H2H |
| Alison Van Uytvanck | 3 | 3 | 6 | Jan 10, 2019 | H2H |
| Jasmine Paolini | 2 | 3 | 5 | Aug 1, 2024 | H2H |
| Venus Williams | 4 | 1 | 5 | May 20, 2021 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Annika Beck | 0 | 2 | 2 | Jul 17, 2014 | H2H |
| Petra Kvitova | 0 | 1 | 1 | Jun 23, 2021 | H2H |
| Zarina Diyas | 0 | 1 | 1 | May 23, 2018 | H2H |
| Anna Karolina Schmiedlova | 0 | 1 | 1 | Sep 22, 2016 | H2H |
| Misaki Doi | 0 | 1 | 1 | Sep 18, 2014 | H2H |