▁age ▁of ▁ 3 0 , ▁two ▁years ▁after ▁turning ▁professional . ▁He ▁ref ere ed ▁Alan ▁She ar er ' s ▁test imon ial ▁match ▁on ▁ 1 1 ▁May ▁ 2 0 0 6 ; ▁he ▁is ▁a ▁New castle ▁United ▁fan , ▁and ▁therefore ▁does ▁not ▁ref eree ▁compet itive ▁games ▁involving ▁New castle . ▁On ▁ 9 ▁September ▁ 2 0 0 6 , ▁he ▁took ▁charge ▁of ▁a ▁qual ifying ▁match ▁for ▁the ▁ 2 0 0 7 ▁UEFA ▁Under - 1 7 s ▁Championship ▁at ▁the ▁Grad ski ▁Stadium ▁in ▁Sk op je ▁between ▁Mac ed onia ▁and ▁Den mark ; ▁the ▁away ▁side ▁winning ▁ 3 – 0 . ▁ ▁Cl atten burg ▁was ▁appointed ▁to ▁control ▁both ▁legs ▁of ▁the ▁ 2 0 0 6 – 0 7 ▁FA ▁Youth ▁Cup ▁final , ▁cont ested ▁by ▁Liverpool ▁and ▁Manchester ▁United , ▁first ly ▁at ▁An field ▁on ▁ 1 6 ▁April ▁ 2 0 0 7 ▁which ▁United ▁won ▁ 2 – 1 , ▁and ▁then ▁at ▁Old ▁Tra ff ord ▁on ▁ 2 6 ▁April ▁ 2 0 0 7 ▁which ▁Liverpool ▁won ▁ 1 – 0 . ▁With ▁the ▁aggregate ▁scores ▁tied , ▁Liverpool ▁won ▁the ▁subsequent ▁penalty ▁shoot - out ▁ 4 – 3 ▁after ▁a ▁go all ess ▁ 3 0 ▁minutes ▁of ▁extra ▁time . ▁ ▁On ▁ 6 ▁August ▁ 2 0 0 8 ▁he ▁ref ere ed ▁his ▁first ▁UEFA ▁Champions ▁League ▁match , ▁a ▁ 5 –