Basketball Court: President 
Barack Obama had the White House tennis court converted into a full-sized basketball court in 2009, and he was responsible for adding the basketball goals and lines. While a smaller, half-court basketball court existed since 1991, the 2009 project created the full-court playable space that is used today. 
Putting Green:  President 
Bill Clinton moved the White House putting green to its current location on the South Lawn in 1995. 
Swimming Pool:  
The swimming pools at the White House have been built or commissioned by different presidents. The original indoor pool was built in 1933 for President Franklin D. Roosevelt, funded by private donations raised by the New York Daily News 
https://gohlkepروش.com/the-history-of-pools-at-the-white-house/, and designed by Lorenzo Simmons Winslow and Douglas H. Gillette. The current outdoor pool was installed in 1975 by President Gerald R. Ford, also funded by private donations.