Looking at Ashton Gate, they completely revamped the pitch in the summer of 2017. This went on from June until August. Wasps got a concert and the monster trucks in over the summer. That somewhat explains the poor state of the pitch.
Thinking about it, are we absolutely sure we didn’t win 3-1? After all, only Clive has seen evidence of Pompey’s 2nd and 3rd and we know what he’s like.