Japan will play Russia on May 19 (7 p.m. kickoff) at National Stadium in Tokyo and Tonga on May 26 (2 p.m. kickoff) at Kumagaya Rugby Stadium in Saitama Prefecture as preparation for its World Cup qualifiers slated for June-July, the Japan Rugby Football Union announced Friday. Tickets will go on sale from April 13 at major ticket outlets. For information, call the JRFU at (03) 3401-3290.