1983 Lisbon Open

The 1983 Lisbon Open, also known by its sponsorship name Lights Cup, was a men's tennis tournament held in Lisbon, Portugal and played on outdoor clay courts. It was the only edition of the tournament and was held from 4 April to 10 April 1983. It was part of the Grand Prix tennis circuit as a Super Series category event. Second-seeded Mats Wilander won the singles title.

Singles
🇸🇪 Mats Wilander defeated 🇫🇷 Yannick Noah 2–6, 7–6, 6–4
 * It was Wilander's 2nd singles title of the year and the 6th of his career.

Doubles
🇧🇷 Carlos Kirmayr / 🇧🇷 Cássio Motta defeated Pavel Složil / 🇺🇸 Ferdi Taygan 7–5, 6–4