For you join you must to choose two players:
Women current or recently retired professional tennis player, that has been ranked in the TOP 150 on WTA Tour.
Men current or recently retired professional tennis player, that has been ranked in the TOP 150 on ATP Tour.
ON HARD/REBOUND ACE/INDOOR HARD
To play the game and win matches all you have to do is send in a list of 1 to 13 in numbers. The person who has the highest number in each section of the 1-13 numbers wins a game of the set.
Player A send
1st set: 10-12-8-13-11-9-5-7-4-3-2-1-6
Player B send
1st set: 5-6-7-8-9-4-3-1-2-13-10-12-11
Player A - 1st set: 10-12-08-13-11-09-05-07-04-03-02-01-06
Player B - 1st set: 09-13-12-10-05-04-02-11-08-07-06-03-01