On 6/12/98, Maunakea Mossman vacated the AJPW World Jr. Heavyweight Title in order to graduate to the heavyweight division. As a result, a tournament to determine a new champion was set up. It was dominated by one man, as Yoshinari Ogawa, the wrestler Mossman originally defeated for the title, won all of his matches and began his third reign as champion.
AJPW World Jr. Heavyweight Title Tournament (7/6/98 to 7/19/98)
1. Yoshinari Ogawa [8]
2. Satoru Asako [6]
3. Tsuyoshi Kikuchi [4]
4. Kentaro Shiga [2]
5. Yoshinobu Kanemaru [0]
7/6/98 @ Act City Hamamatsu
1. Tsuyoshi Kikuchi [2] beat Yoshinobu Kanemaru [0] (8:58) with the Fireball bomb.
7/7/98 @ Gamagori Citizen Gymnasium
1. Tsuyoshi Kikuchi [4] beat Kentaro Shiga [0] (9:24) with the Fireball bomb.
2. Yoshinari Ogawa [2] beat Yoshinobu Kanemaru [0] (9:21) with a backdrop hold.
7/9/98 @ Kochi Resident Gymnasium
1. Satoru Asako [2] beat Yoshinobu Kanemaru [0] (11:27) with the Super Driver Asako.
2. Yoshinari Ogawa [4] beat Kentaro Shiga [0] (13:37) with a backdrop hold.
7/11/98 @ Tex Port Imabari
1. Satoru Asako [4] beat Tsuyoshi Kikuchi [4] (13:11) with an avalanche-style Frankensteiner.
7/12/98 @ Higashi-Hiroshima Movement Park Gymnasium
1. Satoru Asako [6] beat Kentaro Shiga [0] (14:54) with the Super Driver Asako.
7/15/98 @ Osaka Prefectural Gymnasium
1. Yoshinari Ogawa [6] beat Tsuyoshi Kikuchi [4] (6:10) with a backdrop hold.
7/16/98 @ Shiga Prefectural Gymnasium
1. Yoshinari Ogawa [8] beat Satoru Asako [6] (13:45) with a backdrop hold.
7/18/98 @ Tokyo Korakuen Hall
1. Kentaro Shiga [2] beat Yoshinobu Kanemaru [0] (11:15) with a swinging DDT.
7/19/98 @ Niigata City Gymnasium
1. Final: Yoshinari Ogawa beat Satoru Asako (15:31) with a backdrop hold.