Ace:  A serve where the tennis ball served is served in and not touched . . .
Action:  Another word for spin.
Ad Court:  The left side of the court of each player.
Advantage:  When one player wins a point from a deuce and needs one more poin . . .
All-Court:  A style of play which is defined as a composite of all of the dif . . .
Alley:  The area of the court between the singles and doubles sidelines, . . .
Alternate:  A player or a team that gains acceptance into the main draw of a . . .
Approach Shot:  A shot used as a setup as the player runs up to the net, often us . . .
ATP:  Association of tennis professionals, the men's professional circu . . .
ATP Champions Race:  The atp points ranking system which starts at the beginning of th . . .
Australian Formation:  (in doubles) a formation where the server and partner stand on th . . .
Backhand:  Hitting the ball with the back of the racquet hand facing the bal . . .
Backspin:  (also known as slice or underspin), is a shot such that the ball . . .
Backswing:  The portion of a swing where the racquet is swung backwards in pr . . .
Bagel:  Winning (or losing) a set 6-0. With the shape of the '0' being ev . . .
Ball Boy or Girl:  A boy (or girl) tasked with retrieving tennis balls from the cour . . .
Baseline:  The chalk line at the farthest ends of the court indicating the b . . .
Baseliner:  A player who plays around the baseline during play and relies on . . .
Big Serve:  A forceful serve, usually giving an advantage in the point for th . . .
Block:  A defensive shot with relatively little backswing, usually while . . .