According to "Heike Monogatari" (the Tales of the Taira Family), the Taira army that faced the Takeda army across the Fuji-gawa River on November 14 was seventy thousand strong, but in fact, there were only some four thousand soldiers, whose number became further reduced to one or two thousand as some fled or surrendered to the enemy while resting.
10月18日、富士川を挟んで武田軍と向き合う平氏軍は『平家物語』では7万の大軍となっているが、実際には4千騎程度で、逃亡や休息中に敵軍へ投降するなど残兵は千～2千騎ほどになっていた。