VII. THE COMPETITION b) Teams who did not enter through the online on-site alternate sign-in and  teams where one member of the team is eligible to re-pair following the with - drawal of his partner are eligible* to sign the daily alternate sign-in and are  placed below those teams on the alternate list who did enter through online  on-site alternate sign-in method. * To be eligible, alternate teams who did not enter through the online protocol  must sign-in on the first day of the doubles competition. 7) Teams may remain on the alternate list for multiple events in the same week,  however, they may only sign-in at one of those events on any given day. 8)  Vacancies in Challenger Doubles main draw will be filled from an alternate list  using the same protocol as used for entries. Case:  A team submits an advance entry for a 250 tournament with  one of the players using a protected ranking. They are among 6  teams not ranked high enough to be selected. The other 5 teams  are using their best of rankings. Where is the team using the pro- tected ranking placed on the alternate list if they are the next team  in based on that ranking or the 4th highest team using their best of  ranking? Decision:  The team using the protected ranking is placed at the  top of the alternate list. Protected ranking is used for entry into a  tournament either directly or as an alternate (either an advanced  entry or as an on-site entry). Who is inserted as the doubles alternate? Case 1:  After the sign-in deadline for doubles alternate has closed,  there are 7 teams signed-in. At 16:55 a team scheduled to play at  17:00 withdraws due to injury of one of the players. The #1 team  on the alternate list is inserted into the draw. The match is called at  17:00. It is discovered that the inserted team is at the hotel and at  17:15 the alternate is defaulted for punctuality. What should be done  now? Decision:  If an eligible alternate team cannot be found who is ready  to go on court by 17:20, then a walkover is awarded. 7.20 B 2) b)  states that to be eligible for substitution, a lucky loser (alternate)  must “be ready to play within five (5) minutes after the announce - ment of a default for punctuality”. ATP POLICY: While every effort must be made to locate an eligible,  signed-in alternate team, the 15 minute punctuality rule must be en- forced to protect the opponent who is ready to play. It is incumbent  upon the teams signed-in as alternates to be available, reachable  and ready to go when the match is called or within 5 minutes of the  announcement of a punctuality default. In the instance of one player  on court in singles, his partner must be available, reachable and  ready to go, the team would be inserted and the match rescheduled.  This policy extends to Lucky Losers also. Case 2:  A doubles match is called at 11:00 AM and one of the  teams cannot be found. At 11:15 AM a punctuality default is award- ed. How is the vacancy filled? 142 143 c)  If the eligible lucky loser/alternate is not available to play, he shall be placed  at the bottom of the lucky loser/alternate priority list for that day correspond - ing to the qualifying round in which he lost. If the eligible player is playing in  b)  Be ready to play within five (5) minutes after the announcement of a default  for punctuality. a) Sign the lucky loser/alternate sign-in record at least one-half (1/2) hour prior  to the first scheduled match of each day; and  2)  In order to be eligible for substitution, a lucky loser/alternate must: 1) A lucky loser/alternate shall be inserted in the appropriate position as a substitu - tion for any player who withdraws or is withdrawn before the first ball of his first  match is struck. NOTE:  A player winning a match by walkover is considered to have played a  match. B.Lucky Loser/Alternate Substitution Decision:  If there are not enough teams who signed the Friday On- line On-Site Doubles Qualifying list to fill the draw then Byes should  be awarded to the seeded teams by ranking order. Any additional  doubles Qualifying vacancies occurring after the draw will be filled  from the “day of” Alternate sign-in list. Case:  How are vacancies handled for ATP Tour 500 doubles quali - fying if there are not enough teams who entered the Qualifying Entry  list through the On-line On-site entry method to fill the draw? ATP 500 Doubles Qualifying Decision:  If there are no eligible players remaining on the Ad- vanced Entry list and there are not enough players who signed the  Friday On Site Alternate list to fill the draw then Byes should be  awarded to the seeded players by ranking order. Any additional  vacancies occurring after the draw will be filled from the “day of”  Alternate sign-in list. Case:  How are vacancies handled for ATP Tour qualifying events if  there are no eligible players remaining on the Advanced Entry list  and there are not enough players who signed the Friday On Site  Alternate list to fill the draw? Advance Entry Qualifying ATP POLICY: (See ATP Addendum, page 387) . Alternates (Lucky  Losers) are to be ready when called upon to fill a vacancy. By sign - ing the daily alternate (Lucky Loser) list they are declaring that they  are on-site and ready to play, if needed. While every effort will be  made by ATP staff to locate the alternate/LL teams it is the alternate/ lucky loser teams/players responsibility to keep ATP staff informed  of their whereabouts and to remove their names if they leave the  site or otherwise become unavailable for substitution. Decision:  The highest ranked doubles team from the alternate list  who are eligible to be inserted in the draw and are ready to play  within the five (5) minute allotted time period will replace the de - faulted team. 7.20 B 2) b) states that to be eligible for substitution, a  lucky loser (alternate) must “be ready to play within five (5) minutes  after the announcement of a default for punctuality”. VII. THE COMPETITION