The bookies have Coventry City at 6/5 to beat Portsmouth on Tuesday night.
The bookies have City at 6/5, Portsmouth at 9/4 and 12/5 the draw.
If you are planning on having a bet on the game, make sure you shop around for the best odds as some bookmakers can be rather tight with their odds. You can check the prices by http://www.oddschecker.com/football/english/efl-cup/coventry-v-portsmouth/winner