WTA RANKING SYSTEM  SECTION VIII - WTA RANKING SYSTEM e. Seeding f.  Missed Tournament Ranking Point Replacement A player’s eligibility as an Additional Seed is only applicable to the first  eight (8) WTA Tournaments after her Return to Competition, inclusive of  any WTA Tournaments played prior to December 31, 2018. A player may replace zero (0) ranking point results in accordance with  Section VIII.C.5.k, including zero (0) ranking point results received prior  to December 31, 2018, provided the zero (0) ranking point result was  received during her Out-of-Competition Period and it appears on her  WTA Ranking as of December 31, 2018. If a player has decided to retire, she must submit the Player Retirement Form  to the WTA in order to officially retire. A retired player will be removed from  the WTA Rankings at the end of the calendar year in which she officially retires  or on the date listed by the Player on the Player Retirement Form, whichever  is earlier. Players who have submitted a Player Retirement Form shall not be  eligible to compete in a Tournament until they have satisfied all applicable  requirements under the Anti-Doping Program. D. RETIRING FROM THE WTA 165