PLAYERS SECTION V - TOURNAMENT DRAWS AND SCHEDULING (ii) An Alternate or Lucky Loser is not required to sign in one  day to be eligible as an Alternate/Lucky Loser another day.  (This applies to singles and doubles Alternates and to Lucky  Losers.)  (iii) An on-site Alternate is eligible to substitute for all first  round matches and for second round matches when the  player or team has had a first round bye.  (b) The first Lucky Loser/on-site Alternate must be ready to play  within fifteen (15) minutes of being called for a match. If the  first on-site Alternate fails to be ready to play within fifteen (15)  minutes, the next on-site Alternate must be ready to play within  five (5) minutes of the time her match is called. Any subsequent  on-site Alternate must be ready to play within five (5) minutes  of the time her match is called. Matches will not be held for  Alternates still competing in another ITF or WTA Tournament.  If an on-site Alternate fails to show for a match, she will be  considered a No Show. (i)  Players who have entered the Tournament by the applicable  deadline and appear on the Alternate List will be accepted  based on the entry list order;  (c)  On-Site Alternates Acceptance Priority  (ii)  After the Freeze Deadline (see Section V.A.1.b.iii(a)), players  who are not entered but sign-in on site will be accepted  based on their current WTA Singles Ranking or Singles  Special Ranking (subject to the ranking requirements  detailed in Section III.A.1.d.vi);  (iii) WTA Full Members who sign in on site will be accepted  in order of their current WTA Singles Rankings or Singles  Special Rankings (not subject to the ranking requirements  detailed in Section III.A.1.d.vi), or if no WTA Singles Rankings,  according to the following order: ·  Player with the most WTA singles ranking points; ·  Player with the highest WTA Doubles Ranking; ·  Player with the most WTA doubles ranking points; and ·  Player who is drawn randomly.  64