Name: Ai Yamamoto
Country: Japan
Birthdate: 25.08.89, 35 years
WTA ranking: 456
TOP ranking's position: 342 (26.10.09, 11900 points)
Points: 68
Prize money: 23138 $
Matches total: 108
Win: 44
%: 40.74 %
Country: Japan
Birthdate: 25.08.89, 35 years
WTA ranking: 456
TOP ranking's position: 342 (26.10.09, 11900 points)
Points: 68
Prize money: 23138 $
Matches total: 108
Win: 44
%: 40.74 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2012 | 1/2 | 0/1 | 0/0 | 0/0 | 0/0 | 1/1 | 0/0 |
| 2011 | 11/17 | 4/10 | 2/1 | 1/1 | 4/5 | 0/0 | 0/0 |
| 2010 | 6/12 | 3/5 | 0/0 | 0/0 | 3/7 | 0/0 | 0/0 |
| 2009 | 19/18 | 10/9 | 0/0 | 1/2 | 8/7 | 0/0 | 0/0 |
| 2008 | 7/8 | 5/4 | 0/1 | 0/0 | 2/3 | 0/0 | 0/0 |
| 2007 | 0/4 | 0/1 | 0/0 | 0/0 | 0/3 | 0/0 | 0/0 |
| 2005 | 0/3 | 0/1 | 0/1 | 0/0 | 0/1 | 0/0 | 0/0 |
| TOTAL | 44/64 | 22/31 | 2/3 | 2/3 | 17/26 | 1/1 | 0/0 |
| perc. % | 40.74 % | 41.51 % | 40 % | 40 % | 39.53 % | 50 % | 0 % |
Ai Yamamoto / scheduled / last
| no matches found |
Ai Yamamoto form / year 2009 / surface: I. hard
Ai Yamamoto / year 2009 / surface: I. hard
| 11.05.09 | 2nd round | Tadeja Majeric | Ai Yamamoto | 6-2, 6-1 |  | match details |  Tanjung Selor | I. hard |
| 11.05.09 | 1st round | Ai Yamamoto | Beatrice Gumulya | 6-4, 4-6, 7-61 |  | match details | ||
| 04.05.09 | 1st round | Ayu-Fani Damayanti | Ai Yamamoto | 6-4, 6-3 | | match details | Tarakan | I. hard |
