The 1998 Toray Pan Pacific Open was a tennis tournament played on indoor carpet courts at the Tokyo Metropolitan Gymnasium in Tokyo in Japan that was part of Tier I of the 1998 WTA Tour. It was the 23rd edition of the tournament and was held from February 3 through February 8, 1998.
Lindsay Davenport defeated Martina Hingis 6–3, 6–3
- It was Davenport's 1st title of the year and the 32nd of her career.
Martina Hingis / Mirjana Lučić defeated Lindsay Davenport / Natasha Zvereva 7–5, 6–4
- It was Hingis' 4th title of the year and the 30th of her career. It was Lučić's 2nd title of the year and the 3rd of her career.