Champion Miloslav Mečíř | ||
Final score 3–6, 2–6, 6–1, 6–2, 6–3 | ||
Boris Becker was the two-time defending champion but lost in the third round to Jay Berger.
Miloslav Mečíř won in the final 3–6, 2–6, 6–1, 6–2, 6–3 against Yannick Noah.
Seeds
The top eight seeds received a bye into the second round.
References
1989 Newsweek Champions Cup – Singles Wikipedia(Text) CC BY-SA