It follows the 1-1 draw between the two teams in Friday’s first leg at Fratton Park, as the Blues took to the field for the first time since the season was suspended due to coronavirus.
No fans will be allowed into the stadium, but the match will be televised on Sky so supporters can tune in and follow along from home.
Here’s what you need to know:
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When are Portsmouth playing Oxford United?
The second leg at the Kassam Stadium takes place this evening (Monday, July 6).
Ronan Curtis opened the scoring for Pompey in Friday’s first leg but his strike was cancelled out by Marcus Browne shortly before the interval.
What channel is the match on?
Sky has the coverage for the EFL League One play-offs.
Pompey’s second-leg tie will be shown on Sky Sports Main Event as well as its HD channel.
The match will also be shown on Sky Sports Football/Football HD.
What time is kick-off?
The second leg of the play-off in Oxford will kick-off at 5pm.
What time does coverage start on Sky?
The TV coverage will start at 4.30pm on both Sky Sports Main Event and Sky Sports Football.
Can the game be watched on Now TV?
If you don’t have a Sky subscription – there are still ways to tune in and watch the game so you can cheer Pompey on from home.
Now TV offers a day pass for Sky Sports, it costs £9.99 or you can purchase a month pass for £33.99.