Posh will host Watford in a pre-season friendly on Wednesday 24th July.
Peterborough United will face Championship play-off finalists Watford in a pre-season friendly at London Road on Wednesday 24th July (7.30pm).
The Hornets, who are managed by Gianfranco Zola, were beaten at Wembley Stadium by Crystal Palace in the play-off final.
Posh are still hoping to finalise one more friendly fixture away from home.
Details of when tickets for the pre-season friendly fixtures will be on sale will be announced shortly.