Kumiko Okamoto
Kumiko Okamoto. In the doubles competition she partnered Etsuko Inoue.
Okamoto 6 singles and doubles finals. She has won 4 singles titles and 2 doubles titles on the ITF finals.
WTA Career finals
Singles (1 win)
| Winner — Legend |
| Grand Slam tournaments |
| WTA Tour Championships |
| Tier I |
| Tier II |
| Tier III |
| Tier IV |
| Tier V |
| Virginia Slims, Avon, Other |
| Result | W/L | Date | Tournament | Surface | Opponent | Score | ||||||||||||
| Win | 1. | Apr 1989 | Tokyo, Japan | Hard |  ITF FinalsSingles (4–2)
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