The 1983 Donnay Indoor Championships was a men's tennis tournament played on indoor carpet courts in Brussels in Belgium the event was part of the 1983 Volvo Grand Prix. The tournament was held from 7 March through 13 March 1983. Fifth-seeded Peter McNamara defeated Ivan Lendl in the final of the singles event, despite trailing 4–5 and 0–30 on Lendl's serve, to win the title and the accompanying $50,000 first-prize money. Finals Singles Peter McNamara defeated Ivan Lendl, 6–4, 4–6, 7–6 It was McNamara's only singles title of the year and the fifth and last of his career. Doubles Heinz Günthardt / Balázs Taróczy defeated Hans Simonsson / Mats Wilander, 6–2, 6–4 References Donnay Indoor Championships Donnay +