Town's on-loan first-choice goalkeeper Stephen Henderson was last week recalled by parent club West Ham, bringing a premature end to his second spell at Portman Road this term.
Boss Mick McCarthy subsequently brought in former Blackburn keeper Jason Brown on Thursday on a short-term deal until the end of the season.
But Brown is understood to providing back-up for Loach, who will now get the chance to prove himself against Leeds.
Striker Frank Nouble is back in contention having missed Ipswich's 1-0 victory over Bolton last time out with a hamstring injury.
Winger Lee Martin serves the final game of his three-match suspension for the red card received at Nottingham Forest.
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