Most racedays with other riders
Riders sorted by the number of times they started in the same race as Motoki Sakurai.
| # | Rider | Number of races |
|---|---|---|
| 1 | KANO Tomoya | 10 |
| 2 | INOUE Kazuo | 9 |
| 3 | SUZUKI Yuzuru | 9 |
| 4 | HATANAKA Yusuke | 9 |
| 5 | SANO Junya | 9 |
| 6 | SUZUKI Shinri | 9 |
| 7 | OBATA Kaoru | 9 |
| 8 | YAMASHITA Takahiro | 8 |
| 9 | NONAKA Ryoma | 8 |
| 10 | MASUDA Nariyuki | 7 |
| 11 | YOSHIDA Hayato | 7 |
| 12 | IWASHIMA Keita | 7 |
| 13 | HATSUYAMA Sho | 7 |
| 14 | FUKUHARA Masaru | 7 |
| 15 | FUKUDA Shinpei | 7 |
| 16 | HIRATSUKA Yoshimitsu | 7 |
| 17 | TSUJI Yoshimitsu | 6 |
| 18 | SHIMIZU Miyataka | 6 |
| 19 | OKUBO Jin | 6 |
| 20 | YAMANE Masafumi | 6 |
| 21 | KIMURA Keisuke | 6 |
| 22 | YEUNG Ronald | 6 |
| 23 | MUKAIGAWA Naoki | 6 |
| 24 | NISHIZONO Ryota | 6 |
| 25 | UCHIMA Kohei | 6 |
| 26 | YOSHIOKA Naoya | 6 |
| 27 | NAKAMURA Makoto | 6 |
| 28 | YAMAMOTO Genki | 6 |
| 29 | FUKUSHIMA Shinichi | 6 |
| 30 | SHIMIZU Yoshiyuki | 6 |
| 31 | YAMAMOTO Masamichi | 5 |
| 32 | KOMURO Masanari | 5 |
| 33 | AYABE Takeaki | 5 |
| 34 | NAKANE Hideto | 5 |
| 35 | HIRABAYASHI Masaki | 5 |
| 36 | AOYANAGI Kazuki | 5 |
| 37 | IRIBE Shotaro | 5 |
| 38 | OTSUKA Wataru | 5 |
| 39 | ITO Masakazu | 5 |
| 40 | ITAMI Kenji | 5 |
| 41 | WAKO Seigo | 5 |
| 42 | KOMORI Ryohei | 5 |
| 43 | NOGUCHI Masanori | 4 |
| 44 | TOGAO Taichi | 4 |
| 45 | TOKUDA Tanzo | 4 |
| 46 | FUJIOKA Katsuma | 4 |
| 47 | GAROFALO Vincenzo | 4 |
| 48 | KUROEDA Shiki | 4 |
| 49 | MORI Kazuhiro | 4 |
| 50 | NISHITANI Taiji | 4 |