| Playoffs 2013/2014 League One - Appearances as Referee |  |
 |
 |
||||
| 10/05/2014 | Preston North End | - | Rotherham United | 1:1 | 3 | - | - |
| Playoffs 2013/2014 League One - Appearances as Referee | |
|
|
||||
| 10/05/2014 | Preston North End | - | Rotherham United | 1:1 | 3 | - | - |
| Complete name: | Iain Williamson |
| Born: | 15/10/1970 |
| Place of birth: |
England |
| Nationality: |
England |