The Posh have scored in each of their last seven home league encounters against Leyton Orient, losing just once (W4 D2).
David Mooney has scored three goals in two appearances against Peterborough this season, including a brace at London Road in November 2013 (1-3).
32% of the teams that finished third in League One have won promotion via the play-offs, the highest proportion.
Peterborough have taken part in the Football League play-offs on three occasions, winning promotion each time (1992, 2000, 2011).
Leyton Orient have never won a semi-final away leg in the play-offs (D1 L2), failing to score in each match though they progressed to the final each time.
Britt Assombalonga has scored four goals in his last four matches at London Road.
Kevin Lisbie has netted four goals in his last three appearances for the O’s.
Leyton Orient have recovered 15 points from losing positions on the road this season, more than any other League One side.
Peterborough have won four of their last five at home in league competition (D1), keeping four clean sheets in the process.
No side has scored more goals on the road in League One this season than Leyton Orient (42).