The 1977 Philta International was a men's tennis tournament played an outdoor clay courts in Manila, Philippines. It was the fifth edition of the tournament and was held from 14 November through 20 November 1977. The tournament was part of the Grand Prix tennis circuit and categorized as Two Star. Karl Meiler won the singles title and the $13,135 first prize money after first-seeded Manuel Orantes had to default due to a sprained ankle.[3]