The long-serving midfielder drops to the bench for the only change to the side which won at AFC Wimbledon last weekend.
Curtis has returned to Pompey's starting XI after missing the previous two matches through international duty.
In Evans' absence from the starting line-up, Tom Naylor takes on the captaincy, with Brett Pitman also on the bench.
Today's match also marks aÂ 50thÂ Blues appearance for Oli Hawkins, who is again preferred to Pitman.
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Pompey: MacGillivray, N.Thompson, Whatmough, Clarke, Brown, Naylor, B. Thompson, Lowe, Donohue, Curtis, Hawkins.
Subs: McGee, Close, Burgess, Mason, Walkes, Evans, Pitman.