These matches are held between two teams of either six or seven riders who are numbered 1 to 7 when riding away, and 9 to 15 when riding at home. Each team must programme a junior rider at No. 6/14, and may nominate another as a non-programmed reserve at No. 7/15.
The heat format is determined as follows:
| Heat | HOME TEAM | AWAY TEAM | ||
|---|---|---|---|---|
| Red | Blue | Y/B | White | |
| 1: | 9 (B-A) | 10 (D-C) | 1 (A-B) | 2 (C-D) |
| 2: | 11 (B-A) | 12 (D-C) | 3 (A-B) | 4 (C-D) |
| 3: | 13 (A-B) | 14 (C-D) | 5 (B-A) | 6 (D-C) |
| 4: | 11 (A-B) | 12 (C-D) | 1 (B-A) | 2 (D-C) |
| 5: | 13 (B-A) | 14 (D-C) | 3 (C-D) | 4 (A-B) |
| 6: | 9 (D-C) | 10 (B-A) | 5 (A-B) | 6 (C-D) |
| 7: | 13 (D-C) | 14 (B-A) | 1 (C-D) | 2 (A-B) |
| 8: | 9 (A-B) | 10 (C-D) | 3 (B-A) | 4 (D-C) |
| 9: | 11 (D-C) | 12 (B-A) | 5 (C-D) | 6 (A-B) |
| 10: | 13 (C-D) | 10 (A-B) | 1 (D-C) | 4 (B-A) |
| 11: | 11 (C-D) | 14 (A-B) | 3 (D-C) | 6 (B-A) |
| 12: | 9 (C-D) | 12 (A-B) | 5 (D-C) | 2 (B-A) |
| 13: Low | * (B-A) | * (D-C) | * (A-B) | * (C-D) |
| 14: Mid | * (A-B) | * (C-D) | * (B-A) | * (D-C) |
| 15: High | * (B-A) | * (D-C) | * (A-B) | * (C-D) |
Riders take the starting gate positions indicated in parenthesis. The actual gate sequence used during the match is determined by the team captain winning the toss of a coin prior to the start. Gate A is on the inside of the track, whilst Gate D is on the outside.
A reserve may have a maximum of five rides that can be taken at any time, plus an additional ride as a tactical substitute. They may not however, replace riders excluded for starting infringements or exceeding the two minute time allowance. All exclusions count as rides.
No rider is required to take a minimum number of rides.
In Heats 4 to 12, a team behind by six or more points may substitute a programmed rider with any other rider in the team, provided each rider is only used as a tactical substitute once and Rider No.6/14 is only substituted by the reserve. A substitute rider takes the helmet colour and starting gate position of the replaced rider. Both riders in a heat may be substituted in this manner, provided the Referee is clearly notified which substitute replaces which rider.
After Heat 12, each team nominates their riders for the three remaining heats; the home team declaring first. Rider Nos. 1 to 6 and 8 to 14 may only be nominated as follows: Heat 13 - two lowest scorers, Heat 14 - two middle scorers, Heat 15 - two highest scorers. The scores from all rides are counted, but bonus points are not included. Team members scoring an equal number of points may be nominated for any heat where they are eligible.
The team scoring the greater number of points over all heats is declared the winner. When teams score an equal number of points, the match is declared a draw.