Riku Sasayama ha enfrentado a 55 oponentes a lo largo de su carrera.

Player Team(s) Games
Terry Allen 2
Shuto Ando 1
Zach Baranski 1
Javier Carter 2
Shintaro Ehara 2
Takuma Enokida 1
Kohei Fukuzawa 1
Jeff Gibbs 1
Ryoma Hashimoto 1
Sean Hinkley 2
Gen Hiraiwa 1
Kenshin Hoshikawa 1
Kyosuke Hoshino 2
Kyle Hunt 1
Hirotoki Iida 1
Soi Inoie 1
Soichiro Inoue 1
Stevan Jelovac 1
Hiroto Kikuchi 2
Shohei Kikuchi 1
Shuhei Kitagawa 1
Ryan Kriener 2
Reita Matsumoto 1
Yuta Matsushita 2
Shun Matsuyama 1
Leo Meindl 1
Nenad Miljenovic 1
Kazuki Miyamoto 2
Brock Motum 2
Teruchika Naito 1
Tsukasa Nakano 2
Daichi Nomoto 2
Keitaro Ohba 2
Taiki Okada 2
Sota Okura 1
Taiki Osakabe 1
Atsuya Ota 1
L.J. Peak 1
Dwight Ramos 2
Ryan Rossiter 1
Sebastian Saiz 1
Kohei Sekino 2
Kaito Shike 1
Ren Shimatani 2
Tim Soares 1
Tatsuya Suzuki 1
Takanori Tahara 2
Shuto Terazono 3
Kai Toews 1
Kohei Tsuneta 2
Kazuma Tsuya 1
Thomas Welsh 2
Shusuke Yamamoto 1
Tatsumi Yu 1
Ai-Che Yu 2