Shibata 's loss to Murata - an Olympic champion with no pro track record - was a significant setback .
Shibata showed that Shibata 's still viable internationally by beating domestic gatekeeper Daisuke Nakagawa .
Shibata 's loss to Murata - an Olympic champion with no pro track record - was a significant setback , but he showed that he 's still viable internationally by beating domestic gatekeeper Daisuke Nakagawa .