India, July 3 -- The high-intensity 3x15 format will take effect across domestic rankings, zonals and national championships from this month onwards, with the Badminton Association of India (BAI) implementing the new BWF scoring system across the domestic circuit to ensure a seamless transition for the Indian shuttlers.

The Yonex-Sunrise All India Senior Ranking Tournament, scheduled to be held in Regional Sports Centre in Ernakulam from July 7 to 14, will be the first tournament to introduce the new format.

Under the revised format, matches will continue to be played as best-of-three games under rally-point scoring, but each game will now be played to 15 points instead of 21. A two-point lead remains mandatory from 14-all, with games c...