| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2016 | 9/12 | 0/2 | 9/10 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 7/10 | 1/3 | 6/7 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2014 | 1/1 | 0/0 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2013 | 0/2 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 17/25 | 1/6 | 16/19 | 0/0 | 0/0 | 0/0 | 0/0 |
| perc. % | 40.48 % | 14.29 % | 45.71 % | 0 % | 0 % | 0 % | 0 % |
Nami Otsuka / scheduled / last
| no matches found |
Nami Otsuka form / year 2015 / surface: Clay
Nami Otsuka / year 2015 / surface: Clay
| 28.09.15 | q 1 | Nami Otsuka | Katherine White (GBR) | 6-3, 6-2 |  | match details |  Charleston | Clay |
| 28.09.15 | q 2 | Meible Chi | Nami Otsuka | 0-6, 7-65, 7-5 |  | match details | ||
| 08.06.15 | q 2 | Nami Otsuka | Flavia Guimaraes Bueno | 6-3, 6-4 | | match details | Charlotte | Clay |
| 08.06.15 | qual. | Amanda Rodgers | Nami Otsuka | 7-63, 6-2 | | match details | ||
| 08.06.15 | q 1 | Nami Otsuka | Kelly Mckinley | 6-0, 6-0 | | match details | ||
| 01.06.15 | q 1 | Nami Otsuka | Alexis Jones | 6-0, 6-0 | | match details | Bethany Beach | Clay |
| 01.06.15 | q 2 | Nami Otsuka | Aurora Davis | 6-3, 6-1 | | match details | ||
| 01.06.15 | qual. | Ellen Perez | Nami Otsuka | 6-2, 7-5 | | match details | ||
| 11.05.15 | q 1 | Malika Rose | Nami Otsuka | 4-6, 6-3, 6-2 | | match details | Raleigh | Clay |
| 13.04.15 | q 1 | Sonja Molnar | Nami Otsuka | 6-3, 6-3 | | match details | Pelham | Clay |
| 06.04.15 | q 2 | Elizabeth Profit | Nami Otsuka | 6-4, 6-0 | | match details | Jackson | Clay |
| 06.04.15 | q 1 | Nami Otsuka | Iesha Holton | 6-0, 6-1 | | match details | ||
| 09.03.15 | q 1 | Angelina Gabueva | Nami Otsuka | 6-0, 6-4 | | match details | Gainesville | Clay |
