The 1989 Philips Open was a men's tennis tournament played on outdoor hard courts at the Parque do Ibirapuera in São Paulo, Brazil that was part of the 1989 Nabisco Grand Prix. It was the fourth edition of the tournament and took place from 6 November through 12 November 1989. Second-seeded Martín Jaite won the singles title and earned $20,000 first prize money.[1] [2]
Martín Jaite defeated 
Javier Sánchez 7–6(7–5), 6–3
The doubles event was cancelled at the quarterfinal stage due to rain.[2]