We went to Tennis Open

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Across
  1. 2. Death - Older term for a seven-point tiebreaker (11)
  2. 3. - A serve that hits the net but lands in the service box (3)
  3. 4. Error - A mistake made without external pressure (12)
  4. 5. - Tennis legend with 18 Grand Slam singles titles (11)
  5. 6. Set - A set won without losing a single point (9)
  6. 8. Set - Final set in Grand Slam men's singles except at the U.S. Open (8)
  7. 10. - Type of Grand Slam Rod Laver achieved twice (8)
  8. 11. - Decides a set at 6-6, except the final set at some Grand Slams (9)
  9. 14. - Scoring term following deuce (9)
  10. 15. - Six-time U.S. Open champion known for her clay court prowess (5)
  11. 16. - Location of the USTA Billie Jean King National Tennis Center (7)
  12. 17. - Player disqualified from 2020 U.S. Open due to hitting a line judge (8)
  13. 18. - The flat, stringed area of the racquet used to strike the ball (9)
  14. 19. - Backspin applied to the ball, often in slices (9)
Down
  1. 1. - Grip often used for the serve and volley (11)
  2. 3. - Eight-time Grand Slam winner but never won Wimbledon (5)
  3. 7. - 2018 and 2020 U.S. Open women's singles champion, last name (5)
  4. 8. - Service error due to stepping over the line (9)
  5. 9. - Basel native who won his fifth consecutive U.S. Open in 2008 (7)
  6. 12. - A player who returns difficult shots (8)
  7. 13. - Technology for line calling (7)
  8. 14. - First African-American man to win the U.S. Open (4)