- 2165/00003495-200868070-00007. PMID 18457463. S2CID 195686202.
Mizuta Y,
Shikuwa S,
Isomoto H,
Mishima R,
Akazawa Y,
Masuda J, et al. (November 2006). "Recent...
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Fight Series 13
March 23, 2018 2 1:33 Melbourne,
Australia Win 7–3 Koji
Shikuwa TKO (punches) HEAT 41
December 23, 2017 3 1:57 Nagoya, ****an Middleweight...
- TKO (Doctor Stopage) 2 3:57
Middleweight 93 kg
Ricky Alchin def. Koji
Shikuwa Decision (Unanimous) 3 5:00
Strawweight 57 kg
Mohamad Norhidayat def. Sanya...
- (Punches) 3 2:11
Kickboxing Welterweight 84 kg
Mehdi Bagheri def. Koji
Shikuwa TKO (Retirement) 2 5:00
Catchweight 62 kg
Kanta Motoyama def.
Michael Walker...
- 70 kg
Buakaw Banchamek def. Wang
Weihao TKO 1 MMA 84 kg Wang Sai def. Koji
Shikuwa Decision (unanimous) 3
Kickboxing 70 kg
Jomthong Chuwattana def. Warren...
- Deep 121
Impact September 16, 2024 1 3:12 Tokyo, ****an Win 26–15–1 Koji
Shikuwa Decision (unanimous) DEEP 119
Impact May 3, 2024 3 5:00 Tokyo, ****an Win...
