Most racedays with other riders
Riders sorted by the number of times they started in the same race as Kiwamu Matsuda.
| # | Rider | Number of races |
|---|---|---|
| 1 | KANO Tomoya | 7 |
| 2 | FUKUHARA Masaru | 7 |
| 3 | UCHIMA Kohei | 7 |
| 4 | NISHITANI Taiji | 6 |
| 5 | SUZUKI Shinri | 6 |
| 6 | AYABE Takeaki | 6 |
| 7 | SHIMIZU Miyataka | 6 |
| 8 | ITAMI Kenji | 5 |
| 9 | SUZUKI Yuzuru | 5 |
| 10 | TSUJI Yoshimitsu | 5 |
| 11 | OKUBO Jin | 5 |
| 12 | HIRATSUKA Yoshimitsu | 5 |
| 13 | FUKUSHIMA Shinichi | 5 |
| 14 | HATANAKA Yusuke | 5 |
| 15 | YAMAMOTO Masamichi | 5 |
| 16 | YOSHIDA Hayato | 4 |
| 17 | MUKAIGAWA Naoki | 4 |
| 18 | MASUDA Nariyuki | 4 |
| 19 | ITO Masakazu | 4 |
| 20 | INOUE Kazuo | 4 |
| 21 | ABE Takayuki | 4 |
| 22 | YAMAMOTO Genki | 4 |
| 23 | DOI Yukihiro | 4 |
| 24 | BEPPU Takumi | 4 |
| 25 | NISHIZONO Ryota | 4 |
| 26 | KUBOKI Kazushige | 4 |
| 27 | SANO Junya | 4 |
| 28 | NAGANUMA Takayuki | 3 |
| 29 | KAKINUMA Akira | 3 |
| 30 | PARK Sung Baek | 3 |
| 31 | IIJIMA Makoto | 3 |
| 32 | MIYAZAWA Takashi | 3 |
| 33 | SUZUKI Kenichi | 3 |
| 34 | HIROSE Yoshimasa | 3 |
| 35 | KOSAKA Hikaru | 3 |
| 36 | HIROSE Satoshi | 3 |
| 37 | NONAKA Ryoma | 3 |
| 38 | IINO Tomoyuki | 3 |
| 39 | NODERA Hidenori | 3 |
| 40 | FUJIWARA Makoto | 3 |
| 41 | GUNJI Masaki | 3 |
| 42 | AOYANAGI Kazuki | 3 |
| 43 | WIESIAK Mariusz | 3 |
| 44 | YOSHIOKA Naoya | 3 |
| 45 | NAKAJIMA Yasuharu | 3 |
| 46 | ASKARI Hossein | 3 |
| 47 | KIMURA Keisuke | 3 |
| 48 | LOW Ji Wen | 3 |
| 49 | MURAKAMI Jumpei | 3 |
| 50 | IINO Yoshinori | 3 |