O’Brien - Yamasoto
06.10.2009, Tokyo 3 ITF, 1. round, hard
| O’Brien Katie | 2 : 0 (6-1, 6-2) |
Yamasoto Aki | ||
|---|---|---|---|---|
 |
-. | Singles ranking | -. |  |
| 2. 5. 1986 | Birthdate | 24. 9. 1991 | ||
| 167 cm | Height | - | ||
| - | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
No record for this player.
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 301/241 | 20/27 | 122/108 | 119/60 | 38/41 | 2/5 |
| 2011 | 13/17 | - | 5/5 | 2/5 | 6/7 | - |
| 2010 | 18/31 | 1/3 | 13/19 | 2/3 | 1/4 | 1/2 |
| 2009 | 47/25 | 3/5 | 15/8 | 27/8 | 2/4 | - |
| 2008 | 29/37 | 5/7 | 11/16 | 10/7 | 2/4 | 1/3 |
| 2007 | 43/32 | 0/3 | 18/17 | 16/7 | 9/5 | - |
| 2006 | 48/32 | 2/2 | 27/18 | 14/6 | 5/6 | - |
| 2005 | 44/29 | 1/1 | 19/13 | 17/8 | 7/7 | - |
| 2004 | 37/22 | 4/4 | 14/8 | 17/8 | 2/2 | - |
| 2003 | 11/11 | 4/2 | 0/3 | 3/4 | 4/2 | - |
| 2002 | 11/5 | - | 0/1 | 11/4 | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 164/138 | 4/6 | 105/89 | 27/25 | 28/18 | - |
| 2017 | 5/2 | 2/1 | 3/1 | - | - | - |
| 2016 | 22/15 | - | 16/12 | - | 6/3 | - |
| 2015 | 19/11 | - | 16/9 | - | 3/2 | - |
| 2014 | 11/10 | 0/1 | 10/8 | - | 1/1 | - |
| 2013 | 10/18 | 0/2 | 5/11 | 2/2 | 3/3 | - |
| 2012 | 26/13 | 0/1 | 19/8 | 1/1 | 6/3 | - |
| 2011 | 24/14 | - | 12/8 | 9/6 | 3/0 | - |
| 2010 | 19/22 | 2/1 | 10/10 | 6/8 | 1/3 | - |
| 2009 | 15/21 | - | 7/17 | 3/2 | 5/2 | - |
| 2008 | 6/5 | - | 4/2 | 2/2 | 0/1 | - |
| 2007 | 5/5 | - | 1/2 | 4/3 | - | - |
| 2006 | 2/2 | - | 2/1 | 0/1 | - | - |
Head-to-head: 1 - 0
| Year | Tournament | Match | S | Surface | 1 | 2 | 3 | 4 | 5 | Round |
|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | Tokyo 3 ITF | O’Brien | 2 | 6 | 6 | 1R | ||||
| Yamasoto | 0 | 1 | 2 |
Betting odds
Latest matches
- O’Brien
| Wimbledon, 1R, 20.06.2011 | ||
| Date - O’Brien | 2:0 | |
| Eastbourne, Q-1R, 11.06.2011 | ||
| Riske - O’Brien | 2:0 | |
| Nottingham 3 ITF, 1R, 08.06.2011 | ||
| Voracova - O’Brien | 2:1 | |
| Nottingham ITF, R16, 01.06.2011 | ||
| Oprandi - O’Brien | 2:1 | |
| Nottingham ITF, 1R, 31.05.2011 | ||
| O’Brien - Voegele | 2:0 | |
| Kurume ITF, 1R, 10.05.2011 | ||
| Fujiwara - O’Brien | 2:1 | |
| Fukuoka ITF, R16, 05.05.2011 | ||
| Takao - O’Brien | 2:0 | |
| Fukuoka ITF, 1R, 04.05.2011 | ||
| O’Brien - Lee | 2:0 | |
| Gifu ITF, QF, 29.04.2011 | ||
| Ishizu - O’Brien | 2:0 | |
| Gifu ITF, R16, 28.04.2011 | ||
| O’Brien - Fuda | 2:1 | |
- Yamasoto
| Mornington ITF, 1R, 22.03.2017 | ||
| Bains - Yamasoto | 2:0 | |
| Mornington ITF, Q-R16, 20.03.2017 | ||
| Yamasoto - Medcalf | 2:1 | |
| Mornington ITF, Q-2R, 19.03.2017 | ||
| Yamasoto - Ruhrig | 2:0 | |
| Yokohama ITF, R16, 09.03.2017 | ||
| Kato - Yamasoto | 2:0 | |
| Yokohama ITF, 1R, 07.03.2017 | ||
| Yamasoto - Buayam | 2:1 | |
| Yokohama ITF, Q-R16, 06.03.2017 | ||
| Yamasoto - Yoshitomi | 2:0 | |
| Yokohama ITF, Q-1R, 05.03.2017 | ||
| Yamasoto - Miyahara | 2:0 | |
| Hong Kong 5 ITF, 1R, 27.12.2016 | ||
| Yuan - Yamasoto | 2:0 | |
| Hong Kong 5 ITF, Q-R16, 25.12.2016 | ||
| Yamasoto - Li | 2:1 | |
| Hong Kong 5 ITF, Q-1R, 24.12.2016 | ||
| Yamasoto - Wong | 2:0 | |
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