1998 Guardian Direct Cup
Date	23 February – 1 March
Edition	21st
Category	Championship Series
Draw	32S / 16D
Prize money	$689,250
Surface	Carpet / indoor
Location	London, Great Britain
Venue	Battersea Park
Champions
Singles
Yevgeny Kafelnikov[1]
Doubles
Martin Damm / Jim Grabb[2]
← 1997 · Milan Indoor · 1999 →

The 1998 Guardian Direct Cup was a men's tennis tournament played on indoor carpet courts at the Battersea Park in London, Great Britain, that was part of the Championship Series of the 1998 ATP Tour. It was the 21st edition of the tournament, the first one held in London, England, and was held from 23 February until 1 March 1988. Third-seeded Yevgeny Kafelnikov won the singles title.

• Yevgeny Kafelnikov defeated Cédric Pioline, 7–5, 6–4
• It was Kafelnikov's 1st singles title of the year and the 15th of his career.

• Martin Damm / Jim Grabb defeated Yevgeny Kafelnikov / Daniel Vacek, 6–4, 7–5

• ITF tournament edition details