The 1998 Stuttgart Masters (known as the Eurocard Open for sponsorship reasons) was a tennis tournament played on indoor hard courts. It was the 3rd edition of the Stuttgart Masters, and was part of the ATP Super 9 of the 1998 ATP Tour. It took place at the Schleyerhalle in Stuttgart, Germany, from October 26 through November 2, 1998.
The singles field was led by. Other top seeds were.
Richard Krajicek defeated Yevgeny Kafelnikov 6–4, 6–3, 6–3
- It was Richard Krajicek's 2nd title of the year and his 15th overall. It was his 1st Masters title of the year, and overall.
Sébastien Lareau / Alex O'Brien defeated Mahesh Bhupati / Leander Paes, 4–6, 6–3, 7–5