1998 Italian Open (tennis)

The 1998 Italian Open was a tennis tournament played on outdoor clay courts. It was the 57th edition of the Rome Masters and was part of the Super 9 of the 1998 ATP Tour and of Tier I of the 1998 WTA Tour. Both the men's and women's events took place at the Foro Italico in Rome in Italy. The women's tournament was played from 4 to 10 May 1998; the men's tournament was played from 11 to 17 May 1998.

Men's singles
Marcelo Ríos defeated 🇪🇸 Albert Costa by walkover.
 * It was Ríos' 4th title of the year and the 10th of his career. It was his 3rd Super 9 title and his 4th overall.

Women's singles
Martina Hingis defeated 🇺🇸 Venus Williams, 6–3, 2–6, 6–3.
 * It was Hingis' 8th title of the year and the 18th of her career. It was her 2nd Tier I title of the year and her 5th overall.

Men's doubles
🇮🇳 Mahesh Bhupathi / 🇮🇳 Leander Paes defeated Ellis Ferreira / 🇺🇸 Rick Leach, 6–4, 4–6, 7–6.
 * It was Bhupathi's 4th title of the year and the 10th of his career. It was Paes' 4th title of the year and the 10th of his career.

Women's doubles
🇪🇸 Virginia Ruano Pascual / 🇦🇷 Paola Suárez defeated Amanda Coetzer / 🇪🇸 Arantxa Sánchez-Vicario, 7–6(7–1), 6–4.
 * It was Ruano Pascual's 4th title of the year and the 5th of her career. It was Suárez's 5th title of the year and the 6th of her career.