4.King's Cup
National Gymnasium, Bangkok, Thailand
February 26 - March 4, 1978
incomplete results
Preliminaries
| 1978-02-26 | 51kg | Tang Cheng Joo | SIN | Saneh Oonsri | THA | PTS |
| 1978-02-26 | 51kg | Alfredo Perez | VEN | Singh Ratanasang | THA | PTS |
| 1978-02-26 | 51kg | Rafael Orono | VEN | Kim Ji-Won | KOR | PTS |
| 1978-02-26 | 57kg | George Findo | KEN | Sornsak Taintas | THA | RSC 2 |
| 1978-02-26 | 57kg | Gary Williams | AUS | Masahiko Ohta | JPN | PTS |
| 1978-02-26 | 57kg | John Munduga | UGA | Naudi Pineiro | VEN | PTS |
| 1978-02-26 | 57kg | Antonio Esperragoza | VEN | Sanong Tongkumsook | THA | PTS |
| 1978-02-26 | 63,5kg | Siri Prayut | THA | D.Ravichandra | SIN | PTS |
| 1978-02-26 | 67kg | Joash Kitui | KEN | Guillermo Ral | VEN | PTS |
| 1978-02-26 | 67kg | David Hall | AUS | Carlos Aguinalde | VEN | PTS |
| 1978-02-26 | 67kg | Vicent Byarugaba | UGA | Jens Schlueter | DEN | PTS |
| 1978-02-26 | 75kg | Phil McElwaine | AUS | Alfredo Lemus | VEN | PTS |
| 1978-02-26 | 81kg | Fider Okeny | UGA | Chamnarn Chan-In | THA | PTS |
Quarterfinals
| 1978-02-28 | 51kg | Narong Pimpavan | THA | Tang Cheng Joo | SIN | PTS |
| 1978-02-28 | 51kg | Alfredo Perez | VEN | Adroni Butambeki | UGA | RSC 2 |
| 1978-02-28 | 51kg | Rafael Orono | VEN | Somchai Ploysrikum | THA | RSC 2 |
| 1978-03-01 | 54kg | Nelson Trujillo | VEN | Wade Blaik | AUS | PTS |
| 1978-02-28 | 60kg | Brian Tink | AUS | Huascar Rivas | VEN | PTS |
| 1978-02-28 | 75kg | Phil McElwaine | AUS | Siraj Din | PAK | PTS |
| 1978-02-28 | 75kg | Benny Pike | AUS | Paul Muegodi | UGA | PTS |
Semifinals
| 1978-03-02 | 48kg | Stephen Muchoki | KEN | Venostos Ochira | UGA | 5:0 |
| 1978-03-?? | 51kg | Narong Pimpavan | THA | Alfredo Perez | VEN | ??? |
| 1978-03-02 | 54kg | Modest Napunyi | KEN | Nelson Trujillo | VEN | PTS |
| 1978-03-02 | 57kg | Antonio Esperragoza | VEN | George Findo | KEN | 3:2 |
| 1978-03-02 | 63,5kg | Philip Mathenge | KEN | Vichit Praianan | THA | PTS |
| 1978-03-02 | 67kg | Joash Kitui | KEN | Koko Pangaribuan | INA | RSC 2 |
| 1978-03-02 | 75kg | Phil McElwaine | AUS | Erwin Pucher | AUT | PTS |
Finals
| 1978-03-04 | 48kg | Armando Guevara | VEN | Stephen Muchoki | KEN | PTS |
| 1978-03-04 | 51kg | Narong Pimpavan | THA | Rafael Orono | VEN | PTS |
| 1978-03-04 | 54kg | Cho Maneerassayakorn | THA | Modest Napunyi | KEN | PTS |
| 1978-03-04 | 57kg | Weerachart Saturngrun | THA | Antonio Esperragoza | VEN | PTS |
| 1978-03-04 | 60kg | James Ochaya | UGA | Arnan Toongern | THA | PTS |
| 1978-03-04 | 63,5kg | Prayong Magkong | THA | Philip Mathenge | KEN | PTS |
| 1978-03-04 | 67kg | Vicent Byarugaba | UGA | Joash Kitui | KEN | PTS |
| 1978-03-04 | 71kg | Park Il-Chun | KOR | Willme Rivero | VEN | PTS |
| 1978-03-04 | 75kg | Chang Young-Gil | KOR | Phil McElwaine | AUS | PTS |
| 1978-03-04 | 81kg | Kim Nam-Hee | KOR | Jose Angel Castro | VEN | PTS |
| 1978-03-04 | +81kg | Kwang-Sik Woo | KOR | Carlos Rivera | VEN | PTS |