Thomas Muster defeated Andrei Chesnokov in the final, 6–1, 6–3, 6–1 to win the men's singles tennis title at the 1990 Italian Open.
Alberto Mancini was the defending champion, but lost to Chesnokov in the quarterfinals.
Seeds
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
References
External links 1990 Peugeot Italian Open draw