Caversham International Tennis Tournament was created in 2008.
Carolinas International Tennis Tournament was created in 1971.
River Oaks International Tennis Tournament was created in 1931.
Carolinas International Tennis Tournament ended in 1977.
In 1990
Ciutat de Barcelona Tennis Tournament was created in 1993.
Smash Court Tennis Pro Tournament was created in 2002.
Wimbledon.
Toray Pan Pacific Open Tennis Tournament was created in 1984.
Wimbledon is a tennis tournament
International Tennis Federation was created in 1913.
International Tennis Open was created in 1992.
14 is the minimum i believe