His opponent having sprained his wrist, Andrew could have won by exploiting this weakness, but he chose not to do it.
Andrew could have won by exploiting this weakness after his opponent sprained his wrist, but he chose not to do so.
Choosing not to do so, Andrew could have won after his opponent sprained his wrist by exploiting this weakness.
After his opponent sprained his wrist, Andrew could have won by exploiting this weakness, but he chose not to do so.
After his opponent sprained his wrist, Andrew could have, but chose not to do it, won by exploiting this weakness.