| Women's doubles | |
|---|---|
| 1998 Japan Open Tennis Championships | |
| Champions |  Naoko Kijimuta Nana Miyagi |
| Runners-up |  Amy Frazier Rika Hiraki |
| Final score | 6–3, 4–6, 6–4 |
Alexia Dechaume-Balleret and Rika Hiraki were the defending champions but only Hiraki competed that year with Amy Frazier.
Frazier and Hiraki lost in the final 6–3, 4–6, 6–4 against Naoko Kijimuta and Nana Miyagi.
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.
Naoko Kijimuta / Nana Miyagi (champions) Amy Frazier / Rika Hiraki (final)
Catherine Barclay / Lori McNeil (first round) Kristine Kunce / Corina Morariu (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | N Kijimuta N Miyagi | 6 | 7 | ||||||||||||||||||||||||
 E-H Kim  T Tanasugarn | 3 | 5 | 1 | N Kijimuta N Miyagi | 7 | 5 | 7 | ||||||||||||||||||||
 S de Beer G Helgeson-Nielsen | 6 | 2 | 7 | S de Beer G Helgeson-Nielsen | 5 | 7 | 6 | ||||||||||||||||||||
| S Obata K Shibata | 3 | 6 | 6 | 1 | N Kijimuta N Miyagi | 6 | 6 | ||||||||||||||||||||
| 4 | K Kunce C Morariu | 6 | 5 | 6 | 4 | K Kunce C Morariu | 4 | 3 | |||||||||||||||||||
| Q | G Biggs T Hotta | 2 | 7 | 4 | 4 | K Kunce C Morariu | 6 | 6 | |||||||||||||||||||
| WC | A Morigami K Nagatomi | 2 | 6 | 0 | E deLone N Pratt | 4 | 1 | ||||||||||||||||||||
| E deLone N Pratt | 6 | 2 | 6 | 1 | Naoko Kijimuta Nana Miyagi | 6 | 4 | 6 | |||||||||||||||||||
| LL | R Kawamata Y Sasano | 1 | 4 | 2 | Amy Frazier Rika Hiraki | 3 | 6 | 4 | |||||||||||||||||||
 J Lee S-T Wang | 6 | 6 | J Lee S-T Wang | 7 | 5 | 5 | |||||||||||||||||||||
M-R Jeon  S Noorlander | 5 | 7 | 6 | M-R Jeon S Noorlander | 6 | 7 | 7 | ||||||||||||||||||||
| 3 | C Barclay L McNeil | 7 | 6 | 4 | M-R Jeon S Noorlander | 2 | 3 | ||||||||||||||||||||
| H Inoue M Inoue | 2 | 4 | 2 | A Frazier R Hiraki | 6 | 6 | |||||||||||||||||||||
| S Asagoe S-H Park | 6 | 6 | S Asagoe S-H Park | 2 | 5 | ||||||||||||||||||||||
| Y-J Cho Y-J Choi | 3 | 2 | 2 | A Frazier R Hiraki | 6 | 7 | |||||||||||||||||||||
| 2 | A Frazier R Hiraki | 6 | 6 | ||||||||||||||||||||||||
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