Tennis
More vintage tennis photos (previous set here).

 Gladys Roy and Ivan Unger play tennis while in mid-flight, 1925
[vintage X-Games]
  
 May Sutton Bundy, the first US player to win the 
Wimbledon ladies' singles title, pictured in action in 1907
  
 Men's singles match, Seattle, 1895
  
 South End Lawn Tennis Club, Halifax, Nova Scotia, Canada, ca. 1900
  
 Tennis players having a smoke, ca. 1932
  
Three young women with tennis rackets
[anyone recognize the monogram on their hats?]