Former All Black skipper Sam Cane and Springbok winger Cheslin Kolbe both scored tries for Sungoliath on Sunday, but they were unable to overcome a high error rate alongside the concession of a 14-9 penalty count.
Sam Greene was at the heart of a major upset as fourth-placed Shizuoka BlueRevs spanked Brave Lupus Tokyo 56-26 to complete a notable double over the defending champions.
Former NRL star Joseph Manu's debut season in rugby union keeps on getting better, with the 28-year-old scoring his ninth try from 13 appearances to lead Verblitz to a vital 29-17 win over Yokohama Eagles in Japan Rugby League One.
Robbie Deans has won the battle of the former Wallaby coaches in Japan Rugby League One, with his Saitama Wild Knights beating Dave Rennie's Kobe Steelers 46-32.
It was in the second half where the Spears really got into their work, opening up the Blue Revs defence on countless occasions.