1998 Toray Pan Pacific Open

The 1998 Toray Pan Pacific Open was a women's tennis tournament played onindoor carpet courts at the Tokyo Metropolitan Gymnasium in Tokyo, Japan that was part of Tier I of the 1998 WTA Tour. It was the 23rd edition of the tournament and was held from 3 February 3 through 8 February 1998. Second-seeded Lindsay Davenport won the singles title and earned $150,000 first-prize money.

Singles
🇺🇸 Lindsay Davenport defeated Martina Hingis 6–3, 6–3
 * It was Davenport's 1st title of the year and the 32nd of her career.

Doubles
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.