Claim: Keita Obara won against Yuki Nagano (has 15 fight winning streak for the past six years) on Feb 1, 2020 in Korakuen Hall, Tokyo, Japan with a record of 23–4–1.
Evidence: Win 1 Feb 2020 Win 26 Oct 2019 Win 13 Jun 2019 Loss 30 Mar 2019