LONDON, July 4 (Reuters) - Wimbledon will have capacity crowds from the singles quarter-finals onwards as COVID-19 restrictions on attendances are relaxed, the All England Club announced on Sunday. Attendances have been capped at 50% since the start of the tournament last Monday although next weekend"s finals were to rise to 100% on the 15,000-capacity Centre Court. Tennis - Wimbledon - All England Lawn Tennis and Croquet Club, London, Britain - July 3, 2021 General view of court covered as rain delays play REUTERS/Toby Melville Tennis - Wimbledon - All England Lawn Tennis and Croquet Club, London, Britain - July 3, 2021 General view of court covered as rain delays play REUTERS/Toby Melville After a successful opening week, the Championships have now been given permission to operate at full capacity from Tuesday"s women"s quarter-finals onwards on Centre Court and No.1 Court. Wimbledon is being used as a pilot event for the safe return of crowds as part of the Government"s Events Research Programme. It will mark the first time outdoor stadiums will be at full capacity at a sporting event in Britain since the COVID-19 pandemic shut down sports in the country in March 2020.