Smith knocks-on to the relief of the visitors! Scrum Pau on their own 22m line.
Julien Dumora makes ground and the hosts are just 5m out.
Castres claim the lineout and shift it wide. Urdapiletta with a superb catch keeps the move going.
Julien Pierre infringes at the breakdown. Urdapiletta clears towards halfway.
Pau are awarded a penalty on halfway and Colin Slade finds touch 25m out from the Castres line. Good attacking position here.
Castres with good momentum in Pau territory. Stanley makes a half break and passes to Armand Batlle who scores in the corner.
The visitors win the line out but fail to clear their lines. Castres in possession deep inside the Pau 22.
Castres get clean ball from the restart and go through the phases. Urdapiletta sees space in behind and chips through, the ball rolls into touch 5m out from the Pau line.
Slade extends the lead
The visitors are awarded a penalty and and Slade will have a shot at goal