1980 PBA Invitational Championship

The 1980 PBA Invitational Championship was a short tournament featuring two foreign teams and the top three local squads of the Open Conference. It started on August 16 and ended on September 6, 1980.

Format
The following format will be observed for the duration of the tournament:


 * Two-round robin eliminations; 8 games per team; Teams are then seeded by basis on win-loss records. In case of a tie, a superior quotient will determine a tie-breaker.
 * The top two teams after the two-round robin will advance to the best-of-three finals series. The next two dispute third place also in a best-of-three series.

Opening ceremonies
The muses for the participating teams are as follows:

Elimination round
The end of the eliminations saw a four-way tie, with the application of the Asian quotient system of breaking ties, Stoodley/USA finish first with plus 39 quotient, Toyota finish second with a plus 16, Adidas at third with plus 15 and Crispa Walk Tall was last with plus 11.

Battle for third
Adidas Rubberworld defeated Walk Tall Jeansmakers, 2 games to 0.

Finals
Nicholas Stoodley defeated Toyota Tamaraws, 2 games to 0.