WTA RANKING SYSTEM VIII.  WTA RANKING SYSTEM A. GENERAL 1. Description The worldwide computer rankings for women’s Professional Tennis (“WTA  Rankings”) reflect a player’s performance in Tournament play and determine  player acceptances and seeding for all Tournaments. The WTA Rankings are  computed and published weekly by the WTA from its Florida Office. All Rules in this Section VIII are subject to the Rules in Section VI regarding the  WTA Finals and WTA Elite Trophy. 2. Eligibility a.  Age Requirements i.  Players under the age of 14 ii.  Players aged 14 through 17 b.  Number of Tournaments Players under the age of 14 cannot obtain a WTA Ranking. If a player  under the age of 14 plays singles or doubles in a Tournament, that  Tournament and the points acquired during play will not be counted  for ranking purposes for that player. If a player plays singles or doubles in a Tournament that exceeds the  number permitted to be played under the Age Eligibility Rule (see  Section X.A), that Tournament and the points acquired during play  will not be counted for ranking purposes for that player. Players must earn (i) ranking points in at least three (3) valid Tournaments,  or (ii) a minimum of ten (10) singles ranking points or ten (10) doubles  ranking points in one (1) or more valid Tournaments, in order to appear  on the WTA Rankings. WTA Tournaments plus ITF $100,000, $80,000 and $60,000 events (as  long as the ITF events are completed by 11:59 p.m. U.S. Eastern time on  3.  Processing of Rankings a. Timing 143