1989 Swatch Open
The 1989 Swatch Open was a men's tennis tournament played on outdoor clay courts at the Nice Lawn Tennis Club in Nice, France, and was part of the 1989 Nabisco Grand Prix. It was the 18th edition of the tournament and took place from 17 April through 23 April 1989. Sixth-seeded Andrei Chesnokov won the singles title. Finals. Singles. Andrei Chesnokov defeated Jérôme Potier 6–4, 6–4 Doubles. Ricki Osterthun / Udo Riglewski defeated Heinz Günthardt / Balázs Taróczy 7–6, 6–7, 6–1