1998 ATP Tour World Championships – Singles


was the defending champion, but lost in the semifinals to Àlex Corretja.
Àlex Corretja won in the final 3–6, 3–6, 7–5, 6–3, 7–5, against Carlos Moyá.

Seeds

Draw

Finals

Red Group

Standings are determined by: 1) Number of wins; 2) Number of matches; 3) In two-players-ties, head-to-head records; 4) In three-players-ties, percentage of sets won, or of games won; 5) Steering Committee decision.

White Group

Standings are determined by: 1) Number of wins; 2) Number of matches; 3) In two-players-ties, head-to-head records; 4) In three-players-ties, percentage of sets won, or of games won; 5) Steering Committee decision.