I might try ringing them up. Then it is easier to ring around to see if I can find someone with a season ticket who can't make it, which is what I did and saved some dosh as well. One less of paying customers though.
For some reason the available seats in the East Lower E1F are not being sold online for this match. Or for Ipswich at home for that matter.
There are some isolated seats in East Upper (usually not shown).
The club is doing its very best to discourage supporters who cannot make every match (and...