Tennis Crossword

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Across
  1. 4. Deep and high shot that hits deep in the court
  2. 6. Number of courts a team must win to win a match
  3. 10. Played in lieu of a third set
  4. 13. The surface tennis is played on
  5. 15. When the score is zero-zero
  6. 16. box you serve into this
  7. 17. when your opponent wins zero games in a match
  8. 18. You must ALWAYs win by _____
  9. 21. You serve from here
Down
  1. 1. Our league
  2. 2. Should be hit out of the air
  3. 3. Two bad serves in a row
  4. 5. Famous sister pair
  5. 7. The team's favorite game
  6. 8. Also known as 40 all
  7. 9. Can be forehand or backhand
  8. 11. At six all this must be played
  9. 12. When your foot hits the white line while serving
  10. 14. Number of courts in a varsity match
  11. 19. Contains three sets
  12. 20. Number of games in a set
  13. 22. Wimbledon is played here