28th one

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Across
  1. 4. - A sport played with an oval ball.
  2. 5. - Combat sport involving grappling.
  3. 9. - World's most popular sport.
  4. 11. - Riding a bicycle for exercise.
  5. 12. - Gliding on ice or wheels.
  6. 14. - Contact sport with two codes.
  7. 17. - Act of propelling oneself in water.
  8. 18. - Fast-paced sport on ice or turf.
  9. 19. - Sport played with a round ball and hoops.
  10. 20. - Sport played on a course with 18 holes.
Down
  1. 1. - Bat-and-ball game popular in England.
  2. 2. - Racket sport played on a rectangular court.
  3. 3. - Team sport played over a net.
  4. 6. - Riding waves on a surfboard.
  5. 7. - Sport involving exercises and routines.
  6. 8. - World's most popular sport.
  7. 10. - Racket sport played on a rectangular court.
  8. 13. - Combat sport involving two opponents.
  9. 15. - American bat-and-ball sport.
  10. 16. - Collection of sporting events.