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.[1]
See main article: 1983 Lisbon Open – Singles. 
Mats Wilander defeated 
Yannick Noah 2–6, 7–6, 6–4
See main article: 1983 Lisbon Open – Doubles. 
Carlos Kirmayr / Cássio Motta defeated Pavel Složil / 
Ferdi Taygan 7–5, 6–4