South Africa to face Wales in semi-final after grinding down Japan

• Springboks into last four of Rugby World Cup• Makazole Mapimpi scores two tries for South AfricansSouth Africa trampled all over a dream to leave many of Japan’s supporters in tears at the final whistle but the home side had already achieved a victory that even five weeks ago looked unlikely: acceptance that a place should be found for an inspired, innovative team who bring a refreshing vibrancy to a game that at the top level was becoming stereotyped and stale.It is up to those running the game to ensure the interest in rugby sparked by Japan’s achievement in reaching the knockout stage for…