Airdrie attacker Jordan Allan says the Diamonds were left lamenting the chance that never was in their Scottish Cup fourth round exit to Partick Thistle.
Brian Graham's goal in the first half saw the Jags into the next round with a 1-0 victory, where they will face Dundee United.
Ian Murray's Diamonds pressed for a leveller and thought they had an advantage when Thistle centre-back Tunji Akinola was controversially sent off for a last-man challenge on Allan.
