Kudos to Lee Duck-hee changing the sport.
>>People who were born deaf or hard of hearing may have a stronger sense of intuition in general, and tend to see subtle clues in a person’s face or body language better than people with normal hearing,” Stringer said. “They are more visual, because when one sense is compromised, other senses are heightened to compensate. If my hypothesis is correct, people who are deaf or hard of hearing may have an advantage in tennis because they can pick up visual cues faster and better as to their opponent’s plans, and may have better reflexes because they see things sooner.