The 1998 Mercedes-Benz Cup was a men's tennis tournament played on outdoor hardcourts at the Los Angeles Tennis Center in Los Angeles, United States that was part of the World Series of the 1998 ATP Tour. It was the seventy-first edition of the tournament and was held from 27 July – 2 August 1998. Fifth-seeded Andre Agassi won the singles title and the accompanying $45,000 first-prize money.[1]
See main article: 1998 Mercedes-Benz Cup – Singles. 
Andre Agassi defeated 
Tim Henman, 6–4, 6–4
See main article: 1998 Mercedes-Benz Cup – Doubles. 
Patrick Rafter / Sandon Stolle defeated Jeff Tarango / 
Daniel Vacek 6–4, 6–4