-51 kg, Men
| Competition | 2003 Pan American Games |
|---|---|
| Venue |
Santo Domingo
 DOM
|
| Held | 10 – 16 August 2003 |
| Status | Medal |
| Competitors | 12 |
| Countries | 12 |
Juan Carlos Payano, James Pereira, Sebastien Gauthier and Raul Marquez had a bye in the Round of 16.
| Pos | Athlete(s) | Country | Wins | Ties | Losses | ||
|---|---|---|---|---|---|---|---|
| 🥇 | Yuriorkis Gamboa |  CUB |
4 | 0 | 0 | ||
| 🥈 | Juan Carlos Payano | DOM |
2 | 0 | 1 | ||
| 🥉 | James Pereira |  BRA |
1 | 0 | 1 | ||
| 🥉 | Raúl Hirales |  MEX |
2 | 0 | 1 | ||
| =5 | Sébastien Gauthier |  CAN |
0 | 0 | 1 | ||
| =5 | Raul Marquez |  USA |
0 | 0 | 1 | ||
| =5 | Germán Torres |  ECU |
1 | 0 | 1 | ||
| =5 | Santiago Acosta |  ARG |
1 | 0 | 1 | ||
| =9 | Carlos Valcárcel |  PUR |
0 | 0 | 1 | ||
| =9 | José Mario Jiménez |  ESA |
0 | 0 | 1 | ||
| =9 | Eddie Valenzuela |  GUA |
0 | 0 | 1 | ||
| =9 | Jean Pérez |  VEN |
0 | 0 | 1 |
Round of 16
| Germán Torres | ECU |
28-13 | José Mario Jiménez | ESA |
| Santiago Acosta | ARG |
13-7 | Eddie Valenzuela | GUA |
| Carlos Valcárcel | PUR |
13-26 | Yuriorkis Gamboa | CUB |
| Jean Pérez | VEN |
12-16 | Raúl Hirales | MEX |
Quarter-Finals
| Sébastien Gauthier | CAN |
16-20 | James Pereira | BRA |
| Raul Marquez | USA |
17-18 | Juan Carlos Payano | DOM |
| Germán Torres | ECU |
RSCO R2 1:58 | Yuriorkis Gamboa | CUB |
| Santiago Acosta | ARG |
15-23 | Raúl Hirales | MEX |
Semi-Finals
| Yuriorkis Gamboa | CUB |
31-18 | Raúl Hirales | MEX |
| Juan Carlos Payano | DOM |
19-10 | James Pereira | BRA |
Final
| Yuriorkis Gamboa | CUB |
28-22 | Juan Carlos Payano | DOM |