General Statistics - O Brien, Katie
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Rank
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Wins-Losses
179 (2010)
Highest ranking
General Statistics - Radwanska, Agnieszka
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Rank
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Wins-Losses
3 (2016)
Highest ranking
Ranking - O Brien, Katie
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2011 | 360 | 2/6 | - | 1/1 | - | 1/3 | 0/2 |
| 2010 | 179 | 5/11 | 1/2 | 4/6 | 0/1 | 0/2 | - |
| 2009 | - | 7/11 | 2/4 | 5/4 | 0/1 | 0/2 | - |
| 2008 | - | 6/12 | 1/3 | 4/6 | - | 1/3 | - |
| 2007 | - | 5/6 | 0/1 | 3/3 | - | 2/2 | - |
| 2006 | - | 0/3 | - | - | - | 0/3 | - |
| 2005 | - | 0/1 | - | - | - | 0/1 | - |
| 2004 | - | 0/1 | - | - | - | 0/1 | - |
| Summary | 25/51 | 4/10 | 17/20 | 0/2 | 4/17 | 0/2 |
Ranking - Radwanska, Agnieszka
| Year | Ranking | Summary | Clay | Hardcourt | Indoor | Grass | Other |
|---|---|---|---|---|---|---|---|
| 2018 | - | 14/14 | 0/1 | 10/11 | - | 4/2 | - |
| 2017 | 28 | 25/18 | 2/2 | 20/14 | - | 3/2 | - |
| 2016 | 3 | 54/18 | 5/3 | 41/10 | 2/2 | 5/3 | 1/0 |
| 2015 | 5 | 60/26 | 2/3 | 30/13 | 9/4 | 12/3 | 7/3 |
| 2014 | - | 49/22 | 9/4 | 27/12 | 6/4 | 3/2 | 4/0 |
| 2013 | 6 | 60/19 | 5/3 | 46/11 | 2/3 | 5/2 | 2/0 |
| 2012 | 5 | 59/19 | 12/4 | 39/10 | 2/2 | 6/3 | - |
| 2011 | 4 | 47/19 | 7/4 | 33/8 | 3/4 | 3/2 | 1/1 |
| 2010 | 14 | 33/19 | 4/4 | 25/12 | - | 3/2 | 1/1 |
| 2009 | - | 44/23 | 8/5 | 24/13 | 5/3 | 6/2 | 1/0 |
| 2008 | - | 51/20 | 14/5 | 25/11 | 4/3 | 8/1 | - |
| 2007 | - | 27/20 | 5/5 | 14/6 | 4/5 | 4/3 | 0/1 |
| 2006 | - | 15/9 | 2/4 | 8/4 | 2/0 | 3/1 | - |
| Summary | 538/246 | 75/47 | 342/135 | 39/30 | 65/28 | 17/6 |
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