A short pre-season competition was also played from 3 September to 10 October 2015 to provide each Top League team with five official matches before the regular season.[2][3]
Teams
The only change to the make-up of the league was the Challenge One winner Honda Heat replacing Kyuden Voltex.[4]
A pre-season competition was staged to provide each Top League team with five matches before the regular season. In the first stage, played from 3–19 September, the 16 teams were placed into 4 pools of 4 teams each and a round-robin was played within each pool.[2][3]
For the second stage, played from 3–10 October, the top teams in each pool were bracketed together to determine the pre-season competition winner. Semifinals and a consolation final and final were played to decide positions 1 to 4. The second-ranked teams in each pool played off for positions 5 to 8, the third-ranked teams played off for positions 9 to 12, and the bottom teams from each pool played off for positions 13 to 16.[2][3]
Regular season
For the Pool stage, the 16 teams were placed into 2 pools of 8 teams each and a round-robin was played within each of the pools. At the conclusion of the pool stage, the top 4 sides in each pool advanced to the title play-offs to determine the Top League champion and the final classification positions 1 to 8. Similarly, the bottom 4 sides in each pool went on to the lower bracket play-offs to determine the final classification positions 9 to 16.
• Teams ranked 1 (Green background) qualify to semifinals.
• Teams ranked 2 (Blue background) qualify for 5th place semifinals.
• Teams ranked 3 (White background) qualify for 9th place semifinals.
• Teams ranked 4 (Yellow background) qualify for 13th place semifinals.
Four points for a win, two for a draw, one bonus point for four tries or more (BP1) and one bonus point for losing by seven or less (BP2). If teams are level at any stage, tiebreakers are applied in the following order:
• Difference between points for and against
• Total number of points for
• Number of matches won
• Aggregate number of points scored in matches between tied teams
• Number of matches won excluding the first match, then the second and so on until the tie is settled
Four points for a win, two for a draw, one bonus point for four tries or more (BP1) and one bonus point for losing by seven or less (BP2). If teams are level at any stage, tiebreakers are applied in the following order:
• Difference between points for and against
• Total number of points for
• Number of matches won
• Aggregate number of points scored in matches between tied teams
• Number of matches won excluding the first match, then the second and so on until the tie is settled