Tennis maths: how long should a deuce point last? - Chalkdust
Why is tennis scored the way it is? The love, 15, 30 and 40 scoring system explained, and what deuce means
Deuce Tennis - Deuce makes it simple, fun and affordable for everyone to play more tennis and right now it's free to join! To find out more visit http://www.deucetennis.com/ | Facebook