The 1998 Swisscom Challenge was a women's tennis tournament played on indoor hard courts at the Hallenstadion in Zürich in Switzerland that was part of Tier I of the 1998 WTA Tour. It was the 15th editio of the tournament and was held from October 12 through October 18, 1998.
Lindsay Davenport defeated Venus Williams 7–5, 6–3
- It was Davenport's 11th title of the year and the 42nd of her career.
Serena Williams / Venus Williams defeated Mariaan de Swardt / Elena Tatarkova 5–7, 6–1, 6–3
- It was Serena Williams' 4th title of the year and the 4th of her career. It was Venus Williams' 7th title of the year and the 7th of her career.