| U17 Campeonato Sudamericano 2011 Ecuador - Appearances as Referee |  |
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| 13/03/2011 | Colombia | - | Chile | 2:2 | 2 | - | - |
| 22/03/2011 | Venezuela | - | Colombia | 0:1 | 3 | - | 1 |
| 04/04/2011 | Argentina | - | Colombia | 2:1 | 4 | 1 | - |
| 07/04/2011 | Brazil | - | Paraguay | 3:1 | 3 | - | - |
| U17 Campeonato Sudamericano 2011 Ecuador - Appearances as Referee | |
|
|
||||
| 13/03/2011 | Colombia | - | Chile | 2:2 | 2 | - | - |
| 22/03/2011 | Venezuela | - | Colombia | 0:1 | 3 | - | 1 |
| 04/04/2011 | Argentina | - | Colombia | 2:1 | 4 | 1 | - |
| 07/04/2011 | Brazil | - | Paraguay | 3:1 | 3 | - | - |
| Complete name: | Henry Percy Gambetta Avalos |
| Born: | 23/02/1974 |
| Place of birth: |
Peru |
| Nationality: |
Peru |
| Profession: | Ingenieur |
| Height: | 178 cm |
| Weight: | 72 kg |