All the players who played in a Good News Tennis Ministries events since 10 January 2015 are included on the ladder. The ladder is for all grades and is for boys and girls. The ladder is used to assign groups according to tennis strength. Red group (Rating 8-10); Gold group (Rating 7); Platinum group (Rating 4-7)
https://www.goodnewstennis.co.za/wp-content/uploads/2015/06/Ladderason6Jun.pdf