In tennis, like cards, twenty-one’s a winner. Blackjack! Focus on that number, and you won’t go wrong. Simplify, simplify. Every time you win a set, say to yourself, That’s one down. That’s one in my pocket. At the start of a tournament, count backward from twenty-one. That’s positive thinking, see? Of course, speaking for myself, when I’m playing blackjack, I’d rather win with sixteen, because that’s winning ugly. No need to win with twenty-one. No need to be perfect.

