3.South-East Asian Peninsular Games
Chin Woo Stadium, Kuala Lumpur, Malaysia
December 15-17, 1965
Quarterfinals
| 1965-12-15 | 51kg | Kyaw Aye | BUR | Khong Kim Sin | CMB | PTS |
| 1965-12-15 | 51kg | Tawat Visantanat | THA | Ngo Van Ho | VIE | TKO 1 |
| 1965-12-15 | 54kg | Ni Ni | BUR | Nguyen | VIE | TKO 2 |
| 1965-12-15 | 54kg | Cherdchai Udompaichitkul | THA | Sam-An Ek | CMB | PTS |
| 1965-12-15 | 60kg | Amnuay Phodisawat | THA | Wong Chin Kong | MLZ | TKO 2 |
Semifinals
| 1965-12-16 | 48kg | Kyaw Shein | BUR | T.Terenas | MLZ | PTS |
| 1965-12-16 | 48kg | Prapan Daungchaoorn | THA | Ariffin | SIN | PTS |
| 1965-12-16 | 51kg | Ahmad Mokhtar | MLZ | Jumasat Ibrahim | SIN | PTS |
| 1965-12-16 | 51kg | Tawat Visantanat | THA | Kyaw Aye | BUR | PTS |
| 1965-12-16 | 54kg | Nai Nee Virabhak | SIN | Raja Zainal Abidin | MLZ | PTS |
| 1965-12-16 | 54kg | Ni Ni | BUR | Cherdchai Udompaichitkul | THA | PTS |
| 1965-12-16 | 57kg | Neou Pheng | CMB | Wan Hassan | MLZ | KO 2 |
| 1965-12-16 | 57kg | Tin Tun | BUR | Lamyong | THA | PTS |
| 1965-12-16 | 60kg | Sun Soth | CMB | Thein Maung | BUR | KO 2 |
| 1965-12-16 | 60kg | Amnuay Phodisawat | THA | George Beins | SIN | PTS |
| 1965-12-15 | 63,5kg | Niyom Prasertsom | THA | M.Hoeden | SIN | KO 1 |
| 1965-12-15 | 63,5kg | Khieu Soeun | CMB | Koay Siew Chiew | MLZ | TKO 1 |
| 1965-12-15 | 67kg | Viratna Vilarlaksh | THA | Oum Kim Lee | CMB | PTS |
| 1965-12-15 | 71kg | Touch Nol | CMB | Sahim | MLZ | KO 1 |
Finals
| 1965-12-17 | 48kg | Prapan Daungchaoorn | THA | Kyaw Shein | BUR | PTS |
| 1965-12-17 | 51kg | Tawat Visantanat | THA | Ahmad Mokhtar | MLZ | KO 1 |
| 1965-12-17 | 54kg | Ni Ni | BUR | Nai Nee Virabhak | SIN | TKO 3 |
| 1965-12-17 | 57kg | Tin Tun | BUR | Neou Pheng | CMB | PTS |
| 1965-12-17 | 60kg | Sun Soth | CMB | Amnuay Phodisawat | THA | PTS |
| 1965-12-17 | 63,5kg | Khieu Soeun | CMB | Niyom Prasertsom | THA | PTS |
| 1965-12-17 | 67kg | Terence Stahlman | MLZ | Viratna Vilarlaksh | THA | DQ 1 |
| 1965-12-17 | 71kg | Touch Nol | CMB | Yot Tchiancharoen | THA | PTS |
| 1965-12-17 | 75kg | Challew Chandramanee | THA | Ismail Hussain | MLZ | KO 1 |