2018–19 NBL regular season
The regular season of the 2018–19 NBL season, the 41st season of the National Basketball League (NBL). It started on 11 October 2018 and finished on 17 February 2019. Eight teams participated, with the top four advancing to the finals series. Games. Round 18. Source: Ladder. The NBL tie-breaker system as outlined in the NBL Rules and Regulations states that in the case of an identical win-loss record, the overall points percentage between the teams will determine order of seeding. External links.