| Coupe de France 2010/2011 - Appearances as Assistant | ||||
| 09/01/2011 | Stade Rennais | - | AS Cannes | 7:0 |
| Coupe de France 2010/2011 - Appearances as Assistant | ||||
| 09/01/2011 | Stade Rennais | - | AS Cannes | 7:0 |
| Complete name: | William Costes |
| Born: | 11/07/1983 |
| Place of birth: |
France |
| Nationality: |
France |
| Height: | 172 cm |
| Weight: | 65 kg |