The 2004–05 Top League was the second season of Japan's domestic rugby union competition, the Top League. Toshiba Brave Lupus won both the league round-robin and the Microsoft Cup knockout competitions.
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
Fixtures and results[]
This section needs expansion with: Results Rd 1-11 (source top-league.jp). You can help by . (November 2013)
Microsoft Cup play-offs[]
The top eight teams in the league played off for the Microsoft Cup (2005) knock out tournament, which was won by Toshiba Brave Lupus.
Fukuoka Sanix Bombs and Secom Rugguts won promotion to the 2005–06 Top League via the 2005 Top League Challenge Series, while Honda Heat and Toyota Industries Shuttles progressed to the promotion play-offs.
Promotion and relegation play-offs[]
Two promotion/relegation matches (Irekaesen) were played with the winners qualifying for the 2005–06 Top League. The 10th-placed team from the Top League against the 3rd-placed team from Challenge 1. The 9th-placed team from the Top League against the 1st-placed team from Challenge 2.
Japan
Ruatangi Vatuvei (18 tries)![[icon]](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Wiki_letter_w_cropped.svg/20px-Wiki_letter_w_cropped.svg.png){kind=small}