The Toshiba Brave Lupus defeated Sanyo Wild Knights by 6–0 in the final of the Microsoft Cup to claim their fifth Top League championship.

• The top 4 teams also qualified for entry into the All-Japan Rugby Football Championship.

• Teams 5 to 10 qualified to the wildcard play-offs for entry into the All-Japan Rugby Football Championship.

The teams competing were Toshiba Brave Lupus, Sanyo Wild Knights, Toyota Verblitz and Suntory Sungoliath.

NTT Communications Shining Arcs and Toyota Industries Shuttles won promotion to the 2010–11 Top League via the 2010 Top League Challenge Series, while Mazda Blue Zoomers and Yokogawa Musashino Atlastars progressed to the promotion play-offs.