President Marcos Cup
Manila, Phillipines
May 25-31, 1981
Preliminaries (incomplete)
| 1981-05-26 | 51kg | Constantin Titoiu | ROM | Tsang Ngor Fet | HKG | KO 1 |
| 1981-05-26 | 51kg | Shin Chang-Sok | KOR | Ricardo Echevarria | CUB | PTS |
| 1981-05-26 | 51kg | Samyot Mamonghol | THA | Felix Benitez | VEN | PTS |
| 1981-05-26 | 51kg | Abbay Abdrakhmanov | URS | Glicerio Catolico | PHI | RSC 1 |
| 1981-05-26 | 51kg | Carlos Penalosa | PHI | Johnny Ruberu | INA | PTS |
| 1981-05-26 | 57kg | Rodney Watts | USA | Fernando de Assis | PHI | PTS |
| 1981-05-26 | 57kg | Ruben Mares | PHI | Lazius Ba | INA | KO 1 |
| 1981-05-26 | 57kg | Emilio Ruiz | CUB | Monoa Petuely | PNG | KO 1 |
| 1981-05-26 | 57kg | Anwar Hussain Butt | PAK | Chan Kam Sun | HKG | PTS |
| 1981-05-26 | 57kg | Kim Ki Taek | KOR | Narendra Poma | NEP | RSC |
| 1981-05-26 | 57kg | Justo Ibelles | MEX | Jose Gavidia | VEN | PTS |
| 1981-05-26 | 63,5kg | Henry Hughes | USA | Supan Sameapak | THA | RSC |
| 1981-05-26 | 63,5kg | Mohammad Siddique | PAK | Gert Bo Jacobsen | DEN | PTS |
| 1981-05-26 | 63,5kg | Ali Athumani | KEN | Obert Keri | PNG | KO 2 |
| 1981-05-26 | 63,5kg | Edmond Wong Pok Cheung | HKG | Isagani Planas | PHI | RSC |
| 1981-05-26 | 63,5kg | Kim Dong-Kil | KOR | Ciro Perez | VEN | PTS |
| 1981-05-26 | 63,5kg | Luciano Bruno | ITA | Aurelio Escala | PHI | PTS |
| 1981-05-26 | 63,5kg | Syamsul Anwar Harahap | INA | Dmitriy Grubov | URS | DQ |
| 1981-05-27 | 67kg | Yang Soul-Sook | KOR | Michael Rau | PNG | RSC |
| 1981-05-27 | 75kg | Pedro van Raamsdonk | HOL | Brian Schumacher | ENG | RSC 3 |
Quarterfinals
| 1981-05-26 | 45kg | Nelson Jamili | PHI | Oh Kwang-Soo | KOR | PTS |
| 1981-05-26 | 45kg | Gil Jamili | PHI | John Kamau | KEN | PTS |
| 1981-05-26 | 45kg | Eugenio Cataquis | PHI | Chu Ka Yuen | HKG | PTS |
| 1981-05-27 | 48kg | Efren Tabanas | PHI | ??? | ??? | ??? |
| 1981-05-27 | 48kg | Armando Velasco | MEX | Vijayan Subramanian | MLZ | PTS |
| 1981-05-27 | 48kg | Joseph Baju | PHI | Ronny Sarimole | INA | PTS |
| 1981-05-27 | 48kg | Kim Jong-Ok. | KOR | Kjeld Jensen | DEN | PTS |
| 1981-05-28 | 51kg | Constantin Titoiu | ROM | Albert Camero | PHI | PTS |
| 1981-05-28 | 51kg | Samyot Mamonghol | THA | Shin Chang-Sok | KOR | PTS |
| 1981-05-28 | 51kg | Abbay Abdrakhmanov | URS | Carlos Penalosa | PHI | PTS |
| 1981-05-28 | 51kg | Darrell Savoy | USA | Agustin Lanzuela | PHI | ??? |
| 1981-05-27 | 54kg | Leopoldo Cantancio | PHI | ??? | ??? | WO. |
| 1981-05-27 | 54kg | Kim Ji-Won | KOR | Joe Orellana | VEN | PTS |
| 1981-05-27 | 54kg | Hermie Villadelgado | PHI | Rodney Bowman | AUS | DQ |
| 1981-05-27 | 54kg | Antonio Martinez | MEX | Hussein Khalili | KEN | PTS |
| 1981-05-28 | 57kg | Rodney Watts | USA | Anwar Hussain Butt | PAK | ??? |
| 1981-05-28 | 57kg | Ruben Mares | PHI | Brett Young | AUS | RSC |
| 1981-05-28 | 57kg | Emilio Ruiz | CUB | Kim Ki Taek | KOR | KO 2 |
| 1981-05-28 | 57kg | Justo Ibelles | MEX | ??? | ??? | ??? |
| 1981-05-27 | 60kg | Isaiah Ikhoni | KEN | Ray Arua | PNG | RSC |
| 1981-05-27 | 60kg | Lee Hyun-Yoo | KOR | ??? | ??? | ??? |
| 1981-05-27 | 60kg | Tommy Ayers | USA | Manuel Parody | CUB | PTS |
| 1981-05-27 | 60kg | Francois Jalberg | NCL | Valeriy Shevyakov | URS | PTS |
| 1981-05-28 | 63,5kg | Ali Athumani | KEN | Mohammad Siddique | PAK | PTS |
| 1981-05-28 | 63,5kg | Syamsul Anwar Harahap | INA | Edmond Wong Pok Cheung | HKG | RSC |
| 1981-05-28 | 63,5kg | Kim Dong-Kil | KOR | Luciano Bruno | ITA | PTS |
| 1981-05-28 | 63,5kg | Henry Hughes | USA | Gilbert Lanzuela | PHI | PTS |
| 1981-05-28 | 67kg | Juanito Pedroso | PHI | Kristen Reagan | NOR | PTS |
| 1981-05-28 | 67kg | Terry Marsh | ENG | Yang Soul-Sook | KOR | PTS |
| 1981-05-28 | 67kg | Peter Wanyoke | KEN | Roberto Pisciotto | ITA | PTS |
| 1981-05-28 | 67kg | Genaro Leon | MEX | Qadir Zaman | PAK | RSC |
| 1981-05-26 | 71kg | Ju Kwang-Sun | KOR | Gunnar Berg | DEN | PTS |
| 1981-05-26 | 71kg | Cameron Lithgow | ENG | Espen Johansen | NOR | RSC |
| 1981-05-26 | 71kg | Alois Muiruri | KEN | Alexandr Lukach | URS | PTS |
| 1981-05-28 | 75kg | Morten Johansen | NOR | Som Agum | PNG | PTS |
| 1981-05-28 | 75kg | Vladimir Melnik | URS | Alejandro Montoya | CUB | PTS |
| 1981-05-28 | 75kg | Pedro van Raamsdonk | HOL | Palle Kaiser | DEN | PTS |
| 1981-05-28 | 75kg | Lee Nam-Eui | KOR | Pat Hailwood | AUS | PTS |
| 1981-05-28 | 81kg | Nicolas Cruz | CUB | Tom Sawyer | AUS | PTS |
| 1981-05-28 | 81kg | Michael Madsen | DEN | Kim Yoo-Hyun | KOR | RSC |
| 1981-05-28 | +81kg | Woody Clark | USA | Muhammad Iqbal | PAK | KO 2 |
| 1981-05-28 | +81kg | Soeren Thomsen | DEN | Kim Nam-Hee | KOR | PTS |
| 1981-05-28 | +81kg | Helge Ranheim | NOR | Frank Fuhlendorff | DEN | PTS |
| 1981-05-28 | +81kg | Yuriy Eremeyev | URS | James Omondi | KEN | PTS |
Semifinals
| 1981-05-29 | 45kg | Nelson Jamili | PHI | Idris Suleiman | MLZ | 5:0 |
| 1981-05-29 | 45kg | Gil Jamili | PHI | Eugenio Cataquis | PHI | AB 1 |
| 1981-05-29 | 48kg | Efren Tabanas | PHI | Armando Velasco | MEX | PTS |
| 1981-05-29 | 48kg | Joseph Baju | PHI | Kim Jong-Ok. | KOR | PTS |
| 1981-05-29 | 51kg | Constantin Titoiu | ROM | Darrell Savoy | USA | PTS |
| 1981-05-29 | 51kg | Samyot Mamonghol | THA | Abbay Abdrakhmanov | URS | PTS |
| 1981-05-29 | 54kg | Leopoldo Cantancio | PHI | Kim Ji-Won | KOR | PTS |
| 1981-05-29 | 54kg | Antonio Martinez | MEX | Hermie Villadelgado | PHI | PTS |
| 1981-05-29 | 57kg | Rodney Watts | USA | Ruben Mares | PHI | PTS |
| 1981-05-29 | 57kg | Justo Ibelles | MEX | Emilio Ruiz | CUB | DQ |
| 1981-05-29 | 60kg | Isaiah Ikhoni | KEN | Tommy Ayers | USA | 3:2 |
| 1981-05-29 | 60kg | Lee Hyun-Yoo | KOR | Francois Jalberg | NCL | RSC 2 |
| 1981-05-29 | 63,5kg | Ali Athumani | KEN | Henry Hughes | USA | 3:2 |
| 1981-05-29 | 63,5kg | Kim Dong-Kil | KOR | Syamsul Anwar Harahap | INA | 5:0 |
| 1981-05-29 | 67kg | Terry Marsh | ENG | Juanito Pedroso | PHI | RSC 2 |
| 1981-05-29 | 67kg | Peter Wanyoke | KEN | Genaro Leon | MEX | PTS |
| 1981-05-29 | 71kg | Ezequiel Blanco | CUB | Ju Kwang-Sun | KOR | RSC |
| 1981-05-29 | 71kg | Cameron Lithgow | ENG | Alois Muiruri | KEN | PTS |
| 1981-05-29 | 75kg | Vladimir Melnik | URS | Morten Johansen | NOR | AB |
| 1981-05-29 | 75kg | Pedro van Raamsdonk | HOL | Lee Nam-Eui | KOR | PTS |
| 1981-05-29 | 81kg | Georgica Donici | ROM | Allan From | DEN | RSC |
| 1981-05-29 | 81kg | Michael Madsen | DEN | Nicolas Cruz | CUB | PTS |
| 1981-05-29 | +81kg | Woody Clark | USA | Soeren Thomsen | DEN | PTS |
| 1981-05-29 | +81kg | Yuriy Eremeyev | URS | Helge Ranheim | NOR | DQ |
Finals
| 1981-05-31 | 45kg | Gil Jamili | PHI | Nelson Jamili | PHI | PTS |
| 1981-05-31 | 48kg | Efren Tabanas | PHI | Joseph Baju | PHI | PTS |
| 1981-05-31 | 51kg | Constantin Titoiu | ROM | Samyot Mamonghol | THA | PTS |
| 1981-05-31 | 54kg | Leopoldo Cantancio | PHI | Antonio Martinez | MEX | RSC 2 |
| 1981-05-31 | 57kg | Justo Ibelles | MEX | Rodney Watts | USA | PTS |
| 1981-05-31 | 60kg | Isaiah Ikhoni | KEN | Lee Hyun-Yoo | KOR | PTS |
| 1981-05-31 | 63,5kg | Kim Dong-Kil | KOR | Ali Athumani | KEN | PTS |
| 1981-05-31 | 67kg | Terry Marsh | ENG | Peter Wanyoke | KEN | PTS |
| 1981-05-31 | 71kg | Ezequiel Blanco | CUB | Cameron Lithgow | ENG | PTS |
| 1981-05-31 | 75kg | Vladimir Melnik | URS | Pedro van Raamsdonk | HOL | PTS |
| 1981-05-31 | 81kg | Michael Madsen | DEN | Georgica Donici | ROM | PTS |
| 1981-05-31 | +81kg | Woody Clark | USA | Yuriy Eremeyev | URS | PTS |
according to swedish newspaper (from Santiago Nieva) Ibelles lost to Watts
sources: "The Straits Times" - May 26 - June 1, 1981 & "The New Nation" - May 28-29, 1981 & "Boks" nr 7/1981 (page 12) & https://www.upi.com ; also thanks to Santiago Nieva
Tournament History | 1981 Results