Steve Tandy has admitted there is no hiding from his team’s below-par performance ⁠in their 28-21 home Nations Championship victory over Japan on Saturday where they looked flat at times and kept their ⁠opponents in the ⁠contest.

Wales recorded a bonus-point win as Josh Adams twice, Archie Griffin and Louis Rees-Zammit crossed, but they had to produce a desperate rearguard in the final moments to prevent Japan from an equalising score and a famous draw.

“It’s a bonus-point win. It’s good to start,” Tandy said. “I can’t run away from the ⁠performance. There are elements we need to improve. I thought we’d be better. We ​weren’t ruthless enough.”

Tandy suggested rust may ‌have been to blame ‌as Wales played their first Test since July.

“Getting a hit out for the ‌first time since the summer, it does get clunky,” he said. “It helps to review after a bonus point win. We’ll enjoy it but the beauty of this group is the hunger to get better quicker.…