Most racedays with other riders
Riders sorted by the number of times they started in the same race as Ryuji Shinkai.
| # | Rider | Number of races |
|---|---|---|
| 1 | UGA Ryuki | 9 |
| 2 | YASUHARA Daiki | 8 |
| 3 | KATSURA Yoshihiro | 8 |
| 4 | SUMIYOSHI Kota | 8 |
| 5 | YAMAMOTO Genki | 8 |
| 6 | NAKASHIMA Masato | 8 |
| 7 | ARASHIRO Yudai | 8 |
| 8 | ASO Keisuke | 8 |
| 9 | MAGOSAKI Daiki | 8 |
| 10 | TOMIO Daichi | 8 |
| 11 | NAKAMURA Keisuke | 8 |
| 12 | KOISHI Yuma | 8 |
| 13 | TAKEMURA Taku | 8 |
| 14 | MIYAZAKI Taishi | 8 |
| 15 | KUROEDA Shiki | 8 |
| 16 | ODA Hijiri | 7 |
| 17 | TOBARU Hayato | 7 |
| 18 | KAWANO Shouki | 7 |
| 19 | KUSABA Keigo | 7 |
| 20 | SHIRAKAWA Koki | 7 |
| 21 | UCHIDA Takami | 7 |
| 22 | AMANO Takeharu | 7 |
| 23 | SAWADA Keitaro | 7 |
| 24 | TAKEYAMA Kosuke | 7 |
| 25 | ABE Takayuki | 7 |
| 26 | ISHIBASHI Manabu | 7 |
| 27 | YAMAMOTO Tetsuo | 7 |
| 28 | SUZUKI Yuzuru | 7 |
| 29 | ISHIHARA Yuki | 7 |
| 30 | MASUDA Nariyuki | 7 |
| 31 | MUKAIGAWA Naoki | 7 |
| 32 | TANI Junsei | 6 |
| 33 | YAMADA Takumi | 6 |
| 34 | HONDA Haruhi | 6 |
| 35 | SAWADA Toki | 6 |
| 36 | KOBAYASHI Marino | 6 |
| 37 | TOKOI Ryota | 6 |
| 38 | SATO Takashi | 6 |
| 39 | KAYAMA Hiryu | 6 |
| 40 | KOYATA Takato | 6 |
| 41 | OKA Atsushi | 6 |
| 42 | YAMAMOTO Masaki | 6 |
| 43 | NAKAI Tadaaki | 6 |
| 44 | SATO Hiroshi | 6 |
| 45 | OKOCHI Masahiro | 6 |
| 46 | TAKANASHI Mario | 6 |
| 47 | IRIBE Shotaro | 6 |
| 48 | YOSHIOKA Naoya | 6 |
| 49 | NISHIO Hayato | 5 |
| 50 | KIMURA Junki | 5 |