The Tigers boss described his side's display as "magnificent" after watching them hold Spurs 2-2 after extra time.
"To a man my players were magnificent. They didn't deserve to go out of the cup but it wasn't our day today. We had the better chances," BBC Sport quotes him as saying.
Ahmed Elmohamady missed the decisive spot kick as Spurs progressed to the quarter-finals with an 8-7 win.