Half time at London Road sees Hull City head in with a 1-0 lead over Peterborough United.
Hull had the first chance on 23 minutes when Robert Koren struck from 18 yards, but his effort was saved comfortably.
On 28 minutes, the Tigers came close again after Nick Proschwitz met Robbie Brady's cross, but the forward just put his header wide.
The away side then took the lead on 33 minutes, when Koren's corner deflected into the back of the net off Joe Newell.
A shot from Jaanai Gordon almost gave the Posh an equaliser, but his effort went just wide of the mark.
