H2H data updated: 2026-09-13 00:00 UTC
Katie Obrien holds a 1–0 lead over Patricia Mayr-Achleitner in their WTA head-to-head. Across 1 main-draw meeting, Katie Obrien leads 1–0 on hard courts. Most recently, Katie Obrien won the 2010 Australian Open first round 6-3 6-3.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Katie Obrien | 6-3 6-3 | Patricia Mayr-Achleitner | Match data | Jan 20, 2010* | R128 | Australian Open | Grand Slam | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Patricia Mayr-Achleitner | #558 | #70 | 877 | 1,600 | 47 | 77 | 37.9% | 0 | 0 | 0 | 0 | 0 | 0 |
| Katie Obrien | #782 | #84 | 769 | 1,514 | 9 | 34 | 20.9% | 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.
| Patricia Mayr-Achleitner | Katie Obrien | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2008 | 2–1 | 66.7% | #112 | 1,509 | 0 | 0 | 2004 | 0–1 | 0.0% | #387 | 1,492 | 0 | 0 |
| 2009 | 11–17 | 39.3% | #91 | 1,492 | 0 | 0 | 2005 | 0–1 | 0.0% | #267 | 1,492 | 0 | 0 |
| 2010 | 4–6 | 40.0% | #101 | 1,472 | 0 | 0 | 2006 | 0–3 | 0.0% | #187 | 1,461 | 0 | 0 |
| 2011 | 7–10 | 41.2% | #99 | 1,524 | 0 | 0 | 2007 | 4–3 | 57.1% | #127 | 1,501 | 0 | 0 |
| 2012 | 7–14 | 33.3% | #166 | 1,503 | 0 | 0 | 2008 | 2–8 | 20.0% | #159 | 1,450 | 0 | 0 |
| 2013 | 7–5 | 58.3% | #92 | 1,568 | 0 | 0 | 2009 | 1–9 | 10.0% | #88 | 1,390 | 0 | 0 |
| 2014 | 9–21 | 30.0% | #113 | 1,485 | 0 | 0 | 2010 | 2–8 | 20.0% | #179 | 1,370 | 0 | 0 |
| 2015 | 0–3 | 0.0% | #558 | 1,449 | 0 | 0 | 2011 | 0–1 | 0.0% | #357 | 1,365 | 0 | 0 |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Patricia Mayr-Achleitner | Katie Obrien | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | ||
| 2008 | — | — | — | — | 2 | 1 | 3 | 66.7% | — | — | — | — | 2004 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2009 | 2 | 6 | 8 | 25.0% | 8 | 9 | 17 | 47.1% | 1 | 2 | 3 | 33.3% | 2005 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2010 | 1 | 2 | 3 | 33.3% | 3 | 4 | 7 | 42.9% | — | — | — | — | 2006 | — | — | — | — | — | — | — | — | 0 | 3 | 3 | 0.0% |
| 2011 | 1 | 3 | 4 | 25.0% | 6 | 6 | 12 | 50.0% | 0 | 1 | 1 | 0.0% | 2007 | 2 | 1 | 3 | 66.7% | — | — | — | — | 2 | 2 | 4 | 50.0% |
| 2012 | 4 | 6 | 10 | 40.0% | 3 | 7 | 10 | 30.0% | 0 | 1 | 1 | 0.0% | 2008 | 1 | 3 | 4 | 25.0% | 0 | 2 | 2 | 0.0% | 1 | 3 | 4 | 25.0% |
| 2013 | 5 | 3 | 8 | 62.5% | 2 | 2 | 4 | 50.0% | — | — | — | — | 2009 | 1 | 4 | 5 | 20.0% | 0 | 3 | 3 | 0.0% | 0 | 2 | 2 | 0.0% |
| 2014 | 7 | 13 | 20 | 35.0% | 2 | 7 | 9 | 22.2% | 0 | 1 | 1 | 0.0% | 2010 | 1 | 4 | 5 | 20.0% | 1 | 2 | 3 | 33.3% | 0 | 2 | 2 | 0.0% |
| 2015 | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | 2011 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| Career | 20 | 34 | 54 | 37.0% | 26 | 38 | 64 | 40.6% | 1 | 5 | 6 | 16.7% | Career | 5 | 12 | 17 | 29.4% | 1 | 7 | 8 | 12.5% | 3 | 15 | 18 | 16.7% |
Rows are aligned in career order because complete birth data is unavailable. Detailed serve and return statistics available for 35/45 of Patricia Mayr-Achleitner's and 31/42 of Katie Obrien'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.
| Patricia Mayr-Achleitner | Katie Obrien | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| 2013 | 7/12 | 1.9 | 1.4 | 60.4% | 59.8% | 44.0% | 28.1% | 22.2% | 53.9% | 40.8% | 2005 | 1/1 | 0.0 | 4.0 | 51.2% | 63.6% | 47.6% | 0.0% | — | 55.8% | 20.0% |
| 2014 | 25/30 | 1.0 | 2.8 | 63.0% | 58.5% | 44.1% | 51.0% | 45.0% | 53.0% | 41.1% | 2006 | 2/3 | 1.5 | 6.0 | 58.1% | 57.7% | 42.1% | 37.9% | 62.5% | 51.1% | 42.8% |
| 2015 | 3/3 | 0.3 | 3.7 | 73.2% | 55.0% | 42.3% | 61.8% | 44.0% | 51.9% | 36.3% | 2007 | 4/7 | 2.3 | 5.3 | 55.7% | 62.5% | 36.7% | 44.9% | 36.4% | 51.4% | 42.2% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2008 | 6/10 | 1.5 | 6.7 | 54.5% | 62.6% | 43.3% | 54.5% | 42.0% | 53.7% | 42.6% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2009 | 9/10 | 1.2 | 6.6 | 59.0% | 54.7% | 35.8% | 45.2% | 44.2% | 46.9% | 39.4% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2010 | 8/10 | 1.6 | 6.3 | 59.5% | 54.8% | 39.7% | 41.7% | 33.7% | 49.0% | 37.8% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2011 | 1/1 | 2.0 | 5.0 | 62.9% | 46.2% | 30.4% | 41.7% | 60.0% | 40.3% | 37.5% |
| Career | 35/124 | 1.1 | 2.6 | 63.4% | 58.5% | 43.9% | 47.4% | 40.4% | 53.1% | 40.6% | Career | 31/43 | 1.5 | 6.2 | 57.6% | 57.5% | 39.0% | 44.0% | 40.3% | 49.7% | 39.5% |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Patricia Mayr-Achleitner | Katie Obrien | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 2008 | 1509 | 99.6 | — | — | — | — | — | +49 | — | 66.7% | +0.67 | — | — | — | +0.53 | 2004 | 1492 | 98.4 | — | — | — | — | — | — | — | 0.0% | -2.00 | — | — | — | -0.06 |
| 2009 | 1492 | 104.1 | — | — | — | — | 0 | +63 | +93 | 44.4% | -0.52 | 1–6 (14%) | 1–2 (33%) | 93.0 | +1.41 | 2005 | 1492 | 103.3 | +4.63 | +2.47 | 0.453 | 37.5% | — | — | — | 0.0% | -3.50 | — | — | — | -0.29 |
| 2010 | 1472 | 102.0 | — | — | — | — | +12 | +59 | — | 47.8% | +0.09 | 0–3 (0%) | 2–2 (50%) | 95.4 | +1.55 | 2006 | 1462 | 94.0 | -0.38 | +0.43 | 0.876 | 47.0% | — | — | +15 | 25.0% | -1.50 | 0–2 | 0–1 | — | +0.02 |
| 2011 | 1525 | 115.3 | — | — | — | — | -54 | +63 | — | 44.1% | -0.09 | 1–1 | 2–1 (67%) | — | +0.12 | 2007 | 1502 | 98.4 | -1.08 | -1.93 | 0.868 | 46.8% | +35 | — | +18 | 53.3% | -0.33 | 1–0 | 1–0 | — | +0.89 |
| 2012 | 1503 | 110.8 | — | — | — | — | -21 | +58 | — | 40.0% | -0.64 | 1–4 (20%) | 1–2 (33%) | — | -0.10 | 2008 | 1451 | 98.3 | -1.41 | -1.77 | 0.920 | 48.4% | +67 | — | +20 | 30.8% | -1.19 | 2–4 (33%) | 3–0 (100%) | — | +0.44 |
| 2013 | 1568 | 106.2 | -1.00 | -1.71 | 0.885 | 46.9% | -18 | -11 | — | 53.8% | -0.42 | 2–0 | 1–1 | — | +0.64 | 2009 | 1391 | 89.7 | -5.01 | -2.96 | 0.742 | 43.3% | +96 | +66 | — | 21.7% | -2.04 | 0–3 (0%) | 0–1 | — | +0.39 |
| 2014 | 1485 | 105.4 | -2.53 | -2.63 | 0.873 | 47.0% | +21 | +16 | — | 31.3% | -1.24 | 4–5 (44%) | 3–5 (38%) | 98.8 | -0.19 | 2010 | 1371 | 97.5 | -2.84 | -3.79 | 0.741 | 43.8% | +103 | +65 | — | 29.2% | -1.67 | 1–3 (25%) | 1–0 | — | +0.42 |
| 2015 | 1450 | 96.7 | +0.08 | -2.33 | 0.754 | 44.3% | — | — | — | 25.0% | -2.37 | 0–2 | — | — | +0.05 | 2011 | 1366 | 99.1 | -2.49 | -4.08 | 0.628 | 39.1% | — | — | — | 0.0% | -4.00 | — | — | — | -0.01 |
| Career | 1601 | 108.6 | -2.00 | -2.42 | 0.865 | 46.7% | -2 | +49 | +93 | 41.5% | -0.63 | 9–21 (30%) | 10–13 (43%) | 92.4 | +3.23 | Career | 1514 | 93.8 | -2.56 | -2.45 | 0.785 | 44.8% | +80 | +66 | +18 | 29.4% | -1.51 | 4–12 (25%) | 5–2 (71%) | 95.3 | +4.19 |
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 |
|---|---|---|---|---|---|
| Yaroslava Shvedova | 1 | 3 | 4 | May 22, 2014 | H2H |
| Klara Koukalova | 1 | 2 | 3 | Mar 5, 2015 | H2H |
| Elina Svitolina | 1 | 2 | 3 | Jul 10, 2014 | H2H |
| Sara Errani | 0 | 3 | 3 | Mar 19, 2014 | H2H |
| Petra Martic | 2 | 1 | 3 | Jul 19, 2013 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Alla Kudryavtseva | 1 | 1 | 2 | Sep 17, 2009 | H2H |
| Monica Niculescu | 0 | 2 | 2 | Jul 16, 2009 | H2H |
| Olga Govortsova | 0 | 2 | 2 | May 26, 2009 | H2H |
| Kimiko Date | 0 | 1 | 1 | Jun 22, 2011 | H2H |
| Ekaterina Ivanova | 0 | 1 | 1 | Sep 23, 2010 | H2H |