4 grand slams
1881
This year, Roger Federer
Grand slams occur four times a year in tennis tournaments: the Australian Open, French Open, Wimbledon, and US Open.
Australian Open
US Open
1993
Get a shop - fill it with tennis stuff - open it
the average professional women tennis player plays about 23 games in a year.
International Tennis Open was created in 1992.
International Tennis Open happened in 1992.
Asian Open - tennis - was created in 1992.
Asian Open - tennis - ended in 1994.