| Women's doubles | |
|---|---|
| 1994 Japan Open Tennis Championships | |
| 1993 Champions |  Ei Iida Maya Kidowaki |
| Champions | Mami Donoshiro Ai Sugiyama |
| Runners-up |  Yayuk Basuki Nana Miyagi |
| Final score | 6–4, 6–1 |
Ei Iida and Maya Kidowaki were the defending champions but only Iida competed that year with Kyoko Nagatsuka.
Iida and Nagatsuka lost in the quarterfinals to Yayuk Basuki and Nana Miyagi.
Mami Donoshiro and Ai Sugiyama won in the final 6–4, 6–1 against Basuki and Miyagi.
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.
Jenny Byrne / Rachel McQuillan (quarterfinals) Yayuk Basuki / Nana Miyagi (final)
Linda Harvey-Wild / Kristine Radford (first round)
Sabine Appelmans / 
Florencia Labat (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | J Byrne R McQuillan | 6 | 6 | ||||||||||||||||||||||||
 P Iversen H Nagano | 1 | 0 | 1 | J Byrne R McQuillan | 0 | 6 | |||||||||||||||||||||
 F Li T Whitlinger-Jones | 3 | 3 | M Jaggard-Lai M Werdel | 6 | 7 | ||||||||||||||||||||||
| M Jaggard-Lai M Werdel | 6 | 6 | M Jaggard-Lai M Werdel | 6 | 7 | 2 | |||||||||||||||||||||
| 4 | S Appelmans F Labat | 2 | 0 | WC | M Donoshiro A Sugiyama | 7 | 5 | 6 | |||||||||||||||||||
| A Frazier R Hiraki | 6 | 6 | A Frazier R Hiraki | 5 | 6 | 3 | |||||||||||||||||||||
| M Endo N Sawamatsu | 3 | 0 | WC | M Donoshiro A Sugiyama | 7 | 2 | 6 | ||||||||||||||||||||
| WC | M Donoshiro A Sugiyama | 6 | 6 | WC | Mami Donoshiro Ai Sugiyama | 6 | 6 | ||||||||||||||||||||
A Leand  E Švíglerová | 4 | 4 | 2 | Yayuk Basuki Nana Miyagi | 4 | 1 | |||||||||||||||||||||
 M Bernard C Delisle | 6 | 6 | M Bernard C Delisle | 7 | 1 | 4 | |||||||||||||||||||||
| Y Kamio N Kijimuta | 6 | 6 | Y Kamio N Kijimuta | 6 | 6 | 6 | |||||||||||||||||||||
| 3 | L Harvey-Wild K Radford | 2 | 4 | Y Kamio N Kijimuta | 6 | 1 | 6 | ||||||||||||||||||||
| Q | H Mochizuki Y Tanaka | 7 | 2 | 4 | 2 | Y Basuki N Miyagi | 4 | 6 | 7 | ||||||||||||||||||
| E Iida K Nagatsuka | 6 | 6 | 6 | E Iida K Nagatsuka | 6 | 2 | 2 | ||||||||||||||||||||
| A Hirose D Jones | 3 | 0 | 2 | Y Basuki N Miyagi | 3 | 6 | 6 | ||||||||||||||||||||
| 2 | Y Basuki N Miyagi | 6 | 6 | ||||||||||||||||||||||||
Kyoko Nagatsuka and Ai Sugiyama were the defending champions but only Nagatsuka competed that year with Yayuk Basuki.
Linda Wild was the defending champion but lost in the quarterfinals to Tamarine Tanasugarn.
Yayuk Basuki and Kyoko Nagatsuka were the defending champions but did not compete that year.
Nicole Arendt and Manon Bollegraf were the defending champions and won in the final 6–1, 3–6, 7–5 against Rachel McQuillan and Nana Miyagi.
Elizabeth Smylie and Linda Wild were the defending champions but only Wild competed that year with Nathalie Tauziat.
Larisa Savchenko and Arantxa Sánchez Vicario were the defending champions but they competed with different partners that year, Savchenko with Helena Suková and Sánchez Vicario with Mary Joe Fernández.
Monica Seles and Ai Sugiyama won in the final 6–1, 6–0 against Julie Halard-Decugis and Chanda Rubin.
Yayuk Basuki was the defending champion but lost in the semifinals to Irina Spîrlea.
Jana Novotná and Arantxa Sánchez Vicario were the defending champions but only Novotná competed that year with Mary Joe Fernández.
Gigi Fernández and Natasha Zvereva were the defending champions but lost in the final 7–5, 2–6, 6–3 against Jana Novotná and Arantxa Sánchez Vicario.
Second-seeded Yayuk Basuki won in the final 6–4, 6–2 against Kyōko Nagatsuka.
Lindsay Davenport and Natasha Zvereva were the defending champions and won in the final 6–4, 2–6, 6–4 against Alexandra Fusai and Nathalie Tauziat.
Arantxa Sánchez Vicario and Natasha Zvereva were the defending champions but lost in the final 6–2, 3–6, 6–3 against Martina Hingis and Jana Novotná.
Nicole Arendt and Manon Bollegraf were the defending champions but only Bollegraf competed that year with Katrina Adams.
Helena Suková and Natasha Zvereva were the defending champions but did not compete that year.
Katrina Adams and Larisa Neiland were the defending champions but did not compete that year.
The 1998 du Maurier Open women's doubles was the women's doubles event of the one hundred and ninth edition of the Canadian Open; a WTA Tier I tournament and the most prestigious women's tennis tournament held in Canada. Yayuk Basuki and Caroline Vis were the defending champions but lost in the final 6–3, 6–4 against Martina Hingis and Jana Novotná.
Gigi Fernández and Natasha Zvereva were the defending champions, but Fernández retired from tennis at the end of 1997. Zvereva partnered Lindsay Davenport, and the pair lost in the final to Martina Hingis and Jana Novotná 1–6, 6–7(4–7).
Rika Hiraki and Amy Frazier were the defending champions, but Frazier did not compete this year. Hiraki teamed up with Karina Habšudová, but were defaulted in their first round match.
Yayuk Basuki and Nana Miyagi were the defending champions, but none competed this year.