The 1990 Sanremo Open was a men's tennis tournament played on outdoor clay courts held in Sanremo, Italy that was part of the World Series of the 1991 ATP Tour. It was the only edition of the tournament and was held from 30 July to 6 August 1991. Seventh-seeded Jordi Arrese won the singles title.[1]
| 1990 Sanremo Open | |
|---|---|
| Date | 30 July – 6 August |
| Edition | Only |
| Category | World Series |
| Surface | Clay / outdoor |
| Location | Sanremo, Italy |
| Champions | |
| Singles | |
 Jordi Arrese | |
| Doubles | |
 Mihnea-Ion Năstase /  Goran Prpić | |
Finals edit
Singles edit
Jordi Arrese defeated Juan Aguilera, 6–2, 6–2
- Arrese won his 3rd career title and his 1st title of the year.
Doubles edit
Mihnea-Ion Năstase / Goran Prpić defeated 
Ola Jonsson / Fredrik Nilsson 3–6, 7–6, 6–3