CHALLENGER ADDENDUM 7.07 Play-Up Regulation (ATP Challenger Tour Tournaments) A.Restrictions – Challengers 80-125 7.08 The Draw C.Composition of Draws – Challenger Tour Tournaments 7) Vacancies CHALLENGER ADDENDUM E. Qualifying ATP Challenger 125 up to (3) three wild cards ATP Challenger 110 up to (3) three wild cards ATP Challenger 100 up to (3) three wild cards ATP Challenger 90 up to (2) two wild cards ATP Challenger 80 no wild card NOTE:  These restrictions apply only to  singles  draws. After the start of the qualifying, any vacancy will come from the Lucky Loser/  Alternate list. The Alternates will be placed below the players who lost in  qualifying and shall be ordered based upon their position in the FedEx ATP  Rankings, and then the FedEx ATP Doubles Rankings, used for seeding. NOTE: I n order to preserve his eligibility on the Acceptance List, the player  must email the ATP Supervisor directly prior to 6 PM local time on the day  before qualifying starts (email listed on detail sheet) and personally inform  the Supervisor that he wishes to preserve his position on the Acceptance  List and the player must leave a contact number. The player should ask for  confirmation that the Supervisor has received the email in a timely manner. A  player can only preserve his eligibility on one list.  ATP Challenger Tour. The on-site alternate sign-in shall begin no later than 4  p.m. and close at 6 p.m. local time on the night prior to the start of the qualifying  competition. There shall also be an Alternate sign-in on the day of first round  qualifying play, this deadline is one-half hour prior to the first scheduled qualifying  match. This is a new sign-in and any player who is on-site and with a FedEx ATP  Ranking (singles or doubles) is eligible to sign-in. Qualifying vacancies occurring  after the withdrawal deadline - 12 noon, Eastern Time, USA on Friday shall be  filled from the on-site alternate sign-in using the most recent FedEx ATP Ranking.  Any main draw vacancies occurring after the withdrawal deadline and prior to  the start of Qualifying will be filled in ranking order from the original main draw  acceptance list by players who have preserved their position on the list. Players  from the main draw alternate list who are directly accepted into qualifying are  considered to have preserved their eligibility. A player can only preserve his eligi - bility on one list. If there are no alternates from the original main draw acceptance  list who have preserved their eligibility, the vacancy will be filled by the highest  ranked player from the qualifying or alternate list using the FedEx ATP Rankings,  and then FedEx ATP Doubles Rankings, used for seeding.  Once the qualifying competition has begun, only those players who ultimately  qualify, lucky losers and eligible alternates may be accepted into the main draw.  The qualifying competition commences when the first ball of the first qualifying  match is struck. The Alternates will be placed below the players who lost in quali - fying and shall be ordered based upon their position in the FedEx ATP Rankings,  and then the FedEx ATP Doubles Rankings, used for seeding. NOTE: For ATP Challenger Tour qualifying tournaments, withdrawals occurring  after 12 Noon Eastern Time USA and prior to the draw* will be filled from that  night’s alternate sign-in. Vacancies occurring after the release of the qualifying  draw, will be filled from the next day’s on-site alternate list. Players must person - ally sign-in to be eligible as an on-site alternate. * For events in a time zone where the qualifying draw is made prior to 12 Noon  Friday, Eastern Time USA, vacancies occurring after the Qualifying Alternate  sign-in deadline but prior to the qualifying draw shall be filled from that night’s  alternate sign-in . 403 402 a)  Any main draw vacancies occurring after the withdrawal deadline and prior  to the start of Qualifying will be filled in ranking order from the original main  draw acceptance list by players who have preserved their position on the  list. Players from the main draw alternate list who are directly accepted into  qualifying are considered to have preserved their eligibility. A player can only  preserve his eligibility on one list. If there are no alternates from the original  main draw acceptance list who have preserved eligibility, the vacancy will be  filled by the highest ranked player from the qualifying or alternate list using  the FedEx ATP Rankings, and then FedEx ATP Doubles Rankings, used for  seeding.  6)  All 2021 Challenger events are 8-day events with the above structure, unless  otherwise approved by ATP. ● Challengers in the week before a Grand Slam (same region) are approved  for a Saturday final. 1) through 5): 4)  ATP Challenger Tour tournaments not scheduled in the same week as ATP Tour  tournaments, or  scheduled during the 2nd week of a Grand Slam, ATP Tour  Masters 1000 Miami and Indian Wells, may offer wild cards to players positioned  11-50 in the FedEx ATP Rankings who have received approval from the ATP on- site Supervisor according to the following breakdown:  ALL CHALLENGER CATEGORIES: (50 - 125) MAIN DRAW SINGLES QUALIFYING SINGLES MAIN DRAW DOUBLES 32 PLAYERS 16 PLAYERS 16 TEAMS 25/23 Direct Acceptances 13 Direct Acceptances 13 Direct Acceptances 3 Wild Cards 3 Wild Cards 3 Wild Cards 4 Qualifiers 0/2 Special Exempts