Key: Win : Draw : Loss
| Date | Home | Away | Ref | ||
|---|---|---|---|---|---|
| 04/08/2018 | Peterboro | 2 | 1 | Bristol Rvs | J Busby |
| 11/08/2018 | Rochdale | 1 | 4 | Peterboro | A Backhouse |
| 18/08/2018 | Peterboro | 3 | 1 | Luton | G Salisbury |
| 21/08/2018 | Charlton | 0 | 1 | Peterboro | J Linington |
| 25/08/2018 | Plymouth | 1 | 5 | Peterboro | C Sarginson |
| 01/09/2018 | Peterboro | 1 | 1 | Doncaster | D Bond |
| 08/09/2018 | Southend | 2 | 3 | Peterboro | K Johnson |
| 15/09/2018 | Peterboro | 1 | 2 | Portsmouth | R East |
| 22/09/2018 | Gillingham | 2 | 4 | Peterboro | L Swabey |
| 29/09/2018 | Peterboro | 2 | 2 | Blackpool | C Boyeson |
| 02/10/2018 | Sunderland | 2 | 2 | Peterboro | D Coote |
| 06/10/2018 | Peterboro | 0 | 4 | Barnsley | D Drysdale |
| 13/10/2018 | Scunthorpe | 0 | 2 | Peterboro | R Lewis |
| 20/10/2018 | Peterboro | 0 | 1 | Accrington | S Duncan |
| 23/10/2018 | Peterboro | 1 | 0 | Fleetwood Town | O Yates |
| 27/10/2018 | Burton | 1 | 2 | Peterboro | G Salisbury |
| 03/11/2018 | Wycombe | 1 | 0 | Peterboro | B Toner |
| 17/11/2018 | Peterboro | 1 | 1 | Bradford | S Oldham |
| 23/11/2018 | Coventry | 1 | 1 | Peterboro | A Backhouse |
| 27/11/2018 | Peterboro | 1 | 0 | AFC Wimbledon | C Sarginson |
| 08/12/2018 | Peterboro | 2 | 2 | Oxford | C Breakspear |
| 15/12/2018 | Shrewsbury | 2 | 2 | Peterboro | M Salisbury |
| 22/12/2018 | Peterboro | 1 | 1 | Walsall | P Marsden |
| 26/12/2018 | Barnsley | 2 | 0 | Peterboro | C Boyeson |
| 29/12/2018 | Accrington | 0 | 4 | Peterboro | T Bramall |
| 01/01/2019 | Peterboro | 0 | 2 | Scunthorpe | O Yates |
| 12/01/2019 | Peterboro | 2 | 1 | Rochdale | D Drysdale |
| 19/01/2019 | Luton | 4 | 0 | Peterboro | D Coote |
| 26/01/2019 | Peterboro | 0 | 0 | Charlton | D Webb |
| 29/01/2019 | Bristol Rvs | 2 | 2 | Peterboro | L Collins |
| 02/02/2019 | Peterboro | 0 | 1 | Plymouth | P Wright |
| 09/02/2019 | Doncaster | 3 | 1 | Peterboro | C Boyeson |
| 16/02/2019 | Oxford | 0 | 1 | Peterboro | R Joyce |
| 23/02/2019 | Peterboro | 1 | 2 | Shrewsbury | K Johnson |
| 02/03/2019 | Peterboro | 4 | 2 | Wycombe | S Stockbridge |
| 09/03/2019 | Bradford | 3 | 1 | Peterboro | M Donohue |
| 12/03/2019 | AFC Wimbledon | 1 | 0 | Peterboro | O Yates |
| 16/03/2019 | Peterboro | 1 | 2 | Coventry | M Salisbury |
| 23/03/2019 | Peterboro | 2 | 0 | Southend | A Young |
| 06/04/2019 | Peterboro | 2 | 0 | Gillingham | R Jones |
| 13/04/2019 | Blackpool | 0 | 1 | Peterboro | P Wright |
| 19/04/2019 | Fleetwood Town | 1 | 1 | Peterboro | T Nield |
| 22/04/2019 | Peterboro | 1 | 1 | Sunderland | A Coggins |
| 27/04/2019 | Walsall | 3 | 0 | Peterboro | M Coy |
| 30/04/2019 | Portsmouth | 2 | 3 | Peterboro | D Whitestone |
| 04/05/2019 | Peterboro | 3 | 1 | Burton | S Oldham |