Mental strength key to Japan’s preparation for South Africa clashJapan know they will need all their wits about them against the experience of two-time champions South Africa in Tokyo on Sunday. 16th Oct 2019 / by Gdsyn / in Sports News No comments yet Leave a Reply Cancel replyYour email address will not be published. Required fields are marked * Save my name, email, and website in this browser for the next time I comment.