H2H data updated: 2026-09-14 00:00 UTC
Katarzyna Piter holds a 1–0 lead over Beatriz Haddad Maia in their WTA head-to-head. Across 1 main-draw meeting, Katarzyna Piter leads 1–0 on clay. Most recently, Katarzyna Piter won the 2014 Rio de Janeiro round of 32 6-3 6-3.
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 |
|---|---|---|---|---|---|---|---|---|
| Katarzyna Piter | 6-3 6-3 | Beatriz Haddad Maia | Match data | Feb 20, 2014* | R32 | Rio de Janeiro | International → modern equivalent WTA 250 | Clay |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beatriz Haddad Maia | #154 | #10 | 3,194 | 1,939 | 148 | 136 | 52.1% | 0 | 0 | 1 | 1 | 2 | 4 |
| 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 | Beatriz Haddad Maia | 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 |
| 17 | 2013 | 1–1 | 50.0% | #299 | 1,501 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2014 | 0–2 | 0.0% | #239 | 1,475 | 0 | 0 | 2009 | 0–1 | 0.0% | #334 | 1,491 | 0 | 0 |
| 19 | 2015 | 3–2 | 60.0% | #246 | 1,508 | 0 | 0 | 2010 | 1–1 | 50.0% | #249 | 1,505 | 0 | 0 |
| 20 | 2016 | 0–3 | 0.0% | #174 | 1,459 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2017 | 14–12 | 53.8% | #71 | 1,658 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2018 | 5–9 | 35.7% | #183 | 1,579 | 0 | 0 | 2013 | 3–2 | 60.0% | #119 | 1,548 | 0 | 0 |
| 23 | 2019 | 7–5 | 58.3% | #121 | 1,671 | 0 | 0 | 2014 | 4–12 | 25.0% | #163 | 1,472 | 0 | 0 |
| 25 | 2021 | 2–2 | 50.0% | #83 | 1,635 | 0 | 0 | 2016 | 0–1 | 0.0% | #243 | 1,466 | 0 | 0 |
| 26 | 2022 | 34–21 | 61.8% | #15 | 1,829 | 0 | 2 | — | — | — | — | — | — | — |
| 27 | 2023 | 32–21 | 60.4% | #11 | 1,894 | 0 | 3 | 2018 | 0–1 | 0.0% | #290 | 1,471 | 0 | 0 |
| 28 | 2024 | 34–25 | 57.6% | #17 | 1,889 | 0 | 4 | — | — | — | — | — | — | — |
| 29 | 2025 | 16–22 | 42.1% | #58 | 1,768 | 0 | 4 | — | — | — | — | — | — | — |
| 30 | 2026 | 0–11 | 0.0% | #154 | 1,536 | 0 | 4 | 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 | Beatriz Haddad Maia | 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% | — | — | — | — |
| 17 | 2013 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2014 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | 2009 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 19 | 2015 | — | — | — | — | 3 | 2 | 5 | 60.0% | — | — | — | — | 2010 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 20 | 2016 | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2017 | 8 | 6 | 14 | 57.1% | 5 | 4 | 9 | 55.6% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2018 | 5 | 7 | 12 | 41.7% | 0 | 2 | 2 | 0.0% | — | — | — | — | 2013 | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — |
| 23 | 2019 | 3 | 3 | 6 | 50.0% | 3 | 1 | 4 | 75.0% | 1 | 1 | 2 | 50.0% | 2014 | 1 | 7 | 8 | 12.5% | 3 | 4 | 7 | 42.9% | 0 | 1 | 1 | 0.0% |
| 25 | 2021 | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — | 2016 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 26 | 2022 | 19 | 16 | 35 | 54.3% | 2 | 3 | 5 | 40.0% | 13 | 2 | 15 | 86.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2023 | 18 | 14 | 32 | 56.3% | 10 | 4 | 14 | 71.4% | 4 | 3 | 7 | 57.1% | 2018 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 28 | 2024 | 24 | 16 | 40 | 60.0% | 7 | 6 | 13 | 53.8% | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2025 | 8 | 13 | 21 | 38.1% | 4 | 5 | 9 | 44.4% | 4 | 4 | 8 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2026 | 0 | 7 | 7 | 0.0% | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% | 2021 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| Career | — | 88 | 88 | 176 | 50.0% | 34 | 32 | 66 | 51.5% | 26 | 16 | 42 | 61.9% | — | 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 267/284 of Beatriz Haddad Maia'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 | Beatriz Haddad Maia | 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% |
| 17 | 2013 | 2/2 | 1.5 | 2.0 | 67.4% | 65.8% | 49.0% | 81.8% | 62.7% | 60.5% | 47.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 18 | 2014 | 2/2 | 1.0 | 2.5 | 67.9% | 54.9% | 17.6% | 48.8% | 31.3% | 43.0% | 37.4% | 2009 | 1/1 | 0.0 | 4.0 | 58.6% | 17.6% | 16.7% | 25.0% | 0.0% | 17.2% | 31.7% |
| 19 | 2015 | 5/5 | 3.4 | 1.8 | 59.9% | 67.9% | 55.8% | 51.8% | 41.6% | 62.9% | 50.2% | 2010 | 2/2 | 2.0 | 6.0 | 56.8% | 58.7% | 25.9% | 25.0% | 73.5% | 44.4% | 36.2% |
| 20 | 2016 | 3/3 | 1.3 | 7.3 | 58.4% | 58.0% | 29.2% | 44.6% | 40.3% | 45.7% | 36.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2017 | 26/26 | 1.6 | 3.6 | 68.1% | 65.7% | 47.9% | 57.3% | 43.6% | 60.1% | 42.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2018 | 14/14 | 1.7 | 4.2 | 65.1% | 63.5% | 40.5% | 38.9% | 52.0% | 55.5% | 40.0% | 2013 | 5/5 | 0.8 | 2.6 | 63.3% | 59.2% | 48.4% | 64.9% | 53.1% | 54.9% | 43.8% |
| 23 | 2019 | 12/12 | 2.1 | 4.9 | 72.9% | 65.6% | 47.3% | 68.8% | 38.1% | 60.3% | 42.3% | 2014 | 12/16 | 1.8 | 4.4 | 63.1% | 53.8% | 40.3% | 51.4% | 42.0% | 49.0% | 38.8% |
| 25 | 2021 | 4/4 | 1.5 | 2.5 | 62.1% | 57.5% | 39.1% | 50.8% | 48.2% | 50.3% | 44.4% | 2016 | 1/1 | 0.0 | 4.0 | 57.7% | 50.0% | 36.4% | 28.6% | 33.3% | 44.2% | 40.0% |
| 26 | 2022 | 51/55 | 2.9 | 4.1 | 64.9% | 67.4% | 46.8% | 57.2% | 43.8% | 60.3% | 41.5% | — | —/— | — | — | — | — | — | — | — | — | — |
| 27 | 2023 | 52/53 | 2.2 | 2.9 | 69.4% | 63.5% | 49.6% | 54.2% | 45.7% | 59.4% | 42.7% | 2018 | 1/1 | 1.0 | 2.0 | 57.8% | 57.7% | 47.4% | 0.0% | 25.0% | 53.3% | 27.5% |
| 28 | 2024 | 57/59 | 2.2 | 3.4 | 64.0% | 66.5% | 47.2% | 56.4% | 50.9% | 59.4% | 43.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 29 | 2025 | 28/38 | 2.2 | 5.0 | 64.6% | 62.1% | 43.4% | 51.9% | 39.3% | 55.3% | 41.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 30 | 2026 | 11/11 | 0.9 | 5.5 | 63.2% | 56.8% | 30.5% | 41.9% | 35.3% | 47.5% | 38.7% | 2021 | 1/1 | 3.0 | 4.0 | 56.3% | 65.0% | 41.9% | 37.5% | 42.9% | 54.9% | 35.3% |
| Career | — | 267/284 | 2.2 | 3.8 | 66.0% | 64.7% | 45.9% | 54.6% | 45.1% | 58.2% | 42.1% | — | 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 | Beatriz Haddad Maia | 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 |
| 17 | 2013 | 1501 | 105.4 | -1.64 | -0.18 | 1.211 | 55.0% | — | — | — | 60.0% | +1.80 | 0–1 | 0–1 | — | +0.23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2014 | 1475 | 92.2 | -4.60 | -4.21 | 0.656 | 40.4% | — | — | — | 0.0% | -3.75 | — | — | — | +0.07 | 2009 | 1492 | 93.6 | -2.41 | -1.70 | 0.383 | 25.7% | — | — | — | 0.0% | -6.00 | — | — | — | -0.06 |
| 19 | 2015 | 1509 | 112.3 | +3.07 | +1.80 | 1.352 | 55.7% | — | +60 | — | 66.7% | +1.33 | 1–0 | 1–1 | — | +0.11 | 2010 | 1506 | 101.0 | -1.13 | -0.93 | 0.651 | 40.4% | — | — | — | 40.0% | -1.60 | 1–0 | 1–0 | — | +0.16 |
| 20 | 2016 | 1460 | 88.8 | -3.89 | -3.72 | 0.667 | 40.8% | — | — | — | 14.3% | -3.00 | 0–1 | 0–1 | — | +0.37 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2017 | 1658 | 123.3 | +3.22 | -1.30 | 1.058 | 51.2% | -37 | -29 | -31 | 55.0% | +0.32 | 3–7 (30%) | 4–3 (57%) | 95.7 | -0.58 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2018 | 1579 | 120.0 | -0.85 | -2.40 | 0.899 | 47.7% | +10 | — | — | 41.4% | -0.62 | 1–2 (33%) | 2–2 (50%) | 98.9 | -0.26 | 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 | 2019 | 1672 | 123.2 | +2.60 | -1.74 | 1.063 | 51.7% | -10 | -26 | — | 58.6% | +0.72 | 2–3 (40%) | 2–4 (33%) | 97.0 | 0.00 | 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 |
| 25 | 2021 | 1635 | 117.7 | -2.24 | +2.12 | 0.893 | 47.8% | +29 | — | — | 55.6% | -0.33 | 0–1 | — | — | +0.14 | 2016 | 1467 | 92.6 | -2.75 | -6.59 | 0.717 | 41.9% | — | — | — | 0.0% | -3.50 | — | — | — | +0.11 |
| 26 | 2022 | 1830 | 142.7 | +2.95 | -0.63 | 1.044 | 50.8% | -55 | -59 | +126 | 53.6% | +0.22 | 16–7 (70%) | 9–2 (82%) | 112.2 | +0.02 | 2017 | 1449 | 88.2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2023 | 1895 | 151.9 | +3.13 | +0.69 | 1.052 | 50.8% | -30 | +20 | +20 | 55.7% | +0.41 | 16–8 (67%) | 15–11 (58%) | 107.1 | -0.54 | 2018 | 1471 | 98.5 | -0.69 | -1.43 | 0.588 | 39.6% | — | — | — | 0.0% | -3.00 | — | — | — | -0.09 |
| 28 | 2024 | 1889 | 148.0 | +2.61 | +0.61 | 1.067 | 51.4% | +4 | -23 | +13 | 57.3% | +0.50 | 10–9 (53%) | 7–4 (64%) | 101.7 | +1.85 | 2019 | 1466 | 99.7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2025 | 1768 | 129.5 | -1.12 | -1.17 | 0.918 | 48.1% | -32 | +50 | +113 | 44.6% | -0.42 | 7–9 (44%) | 6–7 (46%) | 95.9 | +1.81 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2026 | 1536 | 108.1 | -5.46 | -3.73 | 0.737 | 43.0% | +44 | +132 | — | 15.4% | -2.46 | 0–4 (0%) | 1–2 (33%) | 93.5 | +0.23 | 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 | — | 1939 | 140.7 | +1.71 | -0.47 | 1.009 | 50.1% | -20 | +8 | +75 | 51.2% | +0.07 | 56–52 (52%) | 47–38 (55%) | 101.6 | +1.22 | — | 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 |
|---|---|---|---|---|---|
| Marie Bouzkova | 4 | 2 | 6 | Aug 20, 2025 | H2H |
| Katie Boulter | 1 | 4 | 5 | Feb 24, 2026 | H2H |
| Emma Navarro | 3 | 2 | 5 | Jun 11, 2025 | H2H |
| Magdalena Frech | 3 | 2 | 5 | Feb 9, 2025 | H2H |
| Veronika Kudermetova | 2 | 3 | 5 | Jan 18, 2025 | 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 |