The original race was won in 2 minutes 11.2 seconds.
Harvard won the other heat in 6 minutes 26.71 seconds.
He sensed that everything would be won or lost now in the next minute.
Both teams had a chance to win the game in the wild final minute of regulation.
Warwickshire had been set 142 to win in 100 minutes.
The visitors won 18-16, with a penalty in the 79th minute.
He needed just one break in each set and won in 64 minutes.
The first race was won by Melbourne in 31 minutes and 4 seconds.
They won the first set in 36 minutes and seemed primed to race through the next two sets.
She also won the 200 backstroke in 2 minutes 5.76 seconds.