Most racedays with other riders
Riders sorted by the number of times they started in the same race as Yugo Ishii.
| # | Rider | Number of races |
|---|---|---|
| 1 | WATANABE Kazuki | 1 |
| 2 | MIYAZAKI Taishi | 1 |
| 3 | UGA Ryuki | 1 |
| 4 | YASUHARA Daiki | 1 |
| 5 | ODA Hijiri | 1 |
| 6 | IRIBE Shotaro | 1 |
| 7 | NAKAI Tadaaki | 1 |
| 8 | KAZAMA Shoma | 1 |
| 9 | TOMIO Daichi | 1 |
| 10 | ISHIHARA Yuki | 1 |
| 11 | AMANO Takeharu | 1 |
| 12 | YAMADA Takumi | 1 |
| 13 | KAYAMA Hiryu | 1 |
| 14 | ARASHIRO Yudai | 1 |
| 15 | KUROEDA Shiki | 1 |
| 16 | SUMIYOSHI Kota | 1 |
| 17 | ASO Keisuke | 1 |
| 18 | TAKEMURA Taku | 1 |
| 19 | ARASHIRO Yukiya | 1 |
| 20 | MUKAIGAWA Naoki | 1 |
| 21 | YOKOTSUKA Kohei | 1 |
| 22 | KIMURA Junki | 1 |
| 23 | KUBOTA Yusuke | 1 |
| 24 | MAGOSAKI Daiki | 1 |
| 25 | SHIBATA Masayuki | 1 |
| 26 | NAGASHIO Konosuke | 1 |
| 27 | UDAGAWA Rui | 1 |
| 28 | MASUDA Nariyuki | 1 |
| 29 | ISHIBASHI Manabu | 1 |
| 30 | KOISHI Yuma | 1 |
| 31 | YAMAMOTO Masaki | 1 |
| 32 | KAMADA Koki | 1 |
| 33 | OKAMOTO Hayato | 1 |
| 34 | TOBARU Hayato | 1 |
| 35 | KUBOKI Kazushige | 1 |
| 36 | KATO Shinnosuke | 1 |
| 37 | KUSABA Keigo | 1 |
| 38 | HATSUKAWA Kohiro | 1 |
| 39 | KITASHIMA Keita | 1 |
| 40 | KOBAYASHI Marino | 1 |
| 41 | KAWANO Shouki | 1 |
| 42 | YAMAMOTO Tetsuo | 1 |
| 43 | OKAMOTO Katsuya | 1 |
| 44 | YAHAGI Yuya | 1 |
| 45 | SAWADA Toki | 1 |
| 46 | TANI Junsei | 1 |
| 47 | OKA Atsushi | 1 |
| 48 | TAKEYAMA Kosuke | 1 |
| 49 | HANADA Kiyomasa | 1 |
| 50 | TERADA Yoshiki | 1 |