Surfaces

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Across
  1. 1. Reaction of ball to surface
  2. 4. Stability on surface
  3. 5. Rare indoor surface
  4. 7. Australian Open surface
  5. 9. Common move on clay
  6. 12. Another term for hard courts
  7. 13. Imprints on clay surface
Down
  1. 2. Common for summer play
  2. 3. Painted on all surfaces
  3. 5. Surface of Roland Garros
  4. 6. Wimbledon surface
  5. 8. Loose material on clay
  6. 10. Often played in winter
  7. 11. Rough outdoor court