| 1990 Dutch Open | ||||
|---|---|---|---|---|
| Date | 23–29 July | |||
| Edition | 33rd | |||
| Category | World Series | |||
| Draw | 32S / 16D | |||
| Prize money | $215,000 | |||
| Surface | Clay / outdoor | |||
| Location | Hilversum, Netherlands | |||
| Champions | ||||
| Singles | ||||
 Francisco Clavet[1] | ||||
| Doubles | ||||
| Sergio Casal /Emilio Sánchez[2] | ||||
| ||||
The1990 Dutch Open was anATP men'stennis tournament staged inHilversum,Netherlands. It was the 33rd edition of thetournament and was held from 23 July until 29 July 1990. Spain'sFrancisco Clavet (alucky loser) won his first individual title of the year, and first of his career. UnseededFrancisco Clavet won the singles title.
Francisco Clavet defeated
Eduardo Masso 3–6, 6–4, 6–2, 6–0
Sergio Casal /Emilio Sánchez defeated
Paul Haarhuis /Mark Koevermans, 7–5, 7–5