Pompey were unfortunate not to secure a return to winning ways in their Boxing Day contest at Exeter.
They created the better chances during an entertaining festive encounter in Devon, but could not manage to break the deadlock.
And when Owen Dale did find the net for Danny Cowley's side, it was disallowed for a soft foul given by the referee.
Fans can watch the key moments (top video) or register with iFollow for extended highlights (middle video) and a full match replay (bottom video).