Science Major: Association of Tennis Professionals
ATP Tour Championship Tennis happened in 1994.
ATP Tour Championship Tennis was created in 1994.
The top 25 players earn a pga card.
It is the Association of Tennis Professionals, responsible for the mens tour and world rankings of male tennis players.
This year there is currently 230 players with full or partial tour cards.
Now known as the ATP World Tour, the association has been running since 1972, so that would make it 37 years.
Federer is said to be one of the genuinely nicest guys on the ATP tour. Andy Roddick was once quoted saying "I'd love to hate him, but he's such a nice guy" about Roger.
The Association of Tennis Professionals (ATP) started in 1972 by male tennis players who were dissatisfied with the way the tour had been run up to that point, including the lack of prize money to any but the top few players. The Women's Tennis Association (WTA) started almost the same way in 1973. Refer to the ATP and WTA links, below, for further information.
No. In 1999 the LPGA established a new policy allowing the top three money winners of the Futures Tour to automatically get their LPGA "Exempt Status" tour card. There are not many events on the Futures Tour as the Nationwide Tour (19 in 2007)
The top 25 players and ties from the final qualifying stage.
Yes, and they are very popular. You will rarely find a PGA Tour pro who doesn't use one. On the Champion's Tour and LPGA/LET Tour they are extremely popular, with players having at least one, but some players carry as many as 3.