While this is a new championship, there were one off championship games between the Philippines and Thailand in 2012 and 2013. The Philippines won both, 86-0 and 44-10. That was the end of that until 2025 when four nations competed in the Philippines.
This new competition included Hong Kong, Japan, the Philippines and Singapore. The first round winners went into the final, while the two losing teams played the 3rd / 4th place game. The two best sides may not make the final but keeping the tournament to three days meant that compromise was necessary.
In this instance, it was likely the two best sides did qualify for the final, going by the scorelines. As it turned out, Japan narrowly defeated Hong Kong 34-30 and Singapore overwhelmed the hosts Philippines 62-0 after leading 44-0 at the break.It is hoped that Malaysia and Thailand will join for the next edition. It's a nice addition to the RL international scene which has over the years been badly neglected.