1990 Newsweek Champions Cup – Singles
was the defending champion, but lost in the first round to Richey Reneberg.
Stefan Edberg won the title, defeating Andre Agassi 6–4, 5–7, 7–6, 7–6 in the final.Seeds
The top eight seeds received a bye into the second round.
- Boris Becker '
- Stefan Edberg
- Brad Gilbert '
- Aaron Krickstein '
-
Michael Chang ' - Andre Agassi '
- Tim Mayotte '
- Jay Berger '
- Mats Wilander '
- Martín Jaite '
- Alberto Mancini '
- Andrés Gómez '
- Pete Sampras '
- Emilio Sánchez '
- Andrei Chesnokov '
- Horst Skoff
Draw
Finals
Top Half
Section 1
Section 2
Section 3
Section 4