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.
Women's Singles 
Lindsay Davenport defeated Venus Williams 7–5, 6–3
- It was Davenport's 11th title of the year and the 42nd of her career.
Women's Doubles 
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.