Unless otherwise designated, following boxers are Japanese.
May 6, Tokyo
Japanese super-bantam title bout
MANABU FUKUSHIMA, defending champ, 17-2-1, 12 KOs
10R
KOICHI HORIE, 13-3, 6 KOs
May 7, Amagasaki
EIICHI SUGAMA, JBC #3 feather, 16-1, 14 KOs
10R
WICHIT CHUWATANA, Thai super-bantam champ
May 8, Tokyo (Matchmaking by Ring Japan)
HIRONARI OHSHIMA, JBC #4 light, 11-1, 7 KOs
10R
MUANGMAI SISHSOBHA, Thailand
TEPPEI YASUDA, JBC #3 welter, 8-0-1, 1 KO
10R
SHINICHI KOMATSU, JBC #5 welter, 11-10-4, 5 KOs
May 10, Tokyo
NAOTAKA HOZUMI, Japanese middle champ, 15-1-1, 12 KOs
8R
HYUNGSIK LEE, KBC #5 super-welter
TOSHIHARU KANEYAMA, JBC #3 super-welter, 6-2, 5 KOs
8R
RASIDO KADOEBI, 1-1, no KO
May 15, Tokyo
MOTOKI SASAKI, JBC #10 welter, 19-5-4, 7 KOs
10R
TBA
May 20
PANIENG OKUDA, WBC #5 light fly, 25-0, 9 KOs
10R
HIROKI SHINOZAKI, JBC #3 fly, 17-3-1, 5 KOs
May 20, Osaka (Matchmaking by Ring Japan)
OPBF super-fly title bout
MASAMORI TOKUYAMA, OPBF champ, WBC #8, 20-2-1, 4 KOs
12R
JACK SIAHAYA, Indonesia, OPBF #6
May 29, Osaka
HRUHIKO OKUDA, JBC #2 feather, 16-1, 12 KOs
10R
DHANUINTR KENGKARUN, Thailand
May 30, Tokyo
HIROSHI NAKAJIMA, OPBF minimum champ, 15-1, 1 KO
10R (non-title bout)
KEITARO HOSHINO, WBA #13 light fly, 19-6, 5 KOs
June 3, Tokyo (Matchmaking by Ring Japan)
KENGO NAGASHIMA, WBA #14 feather
10R
JEFFREY ONATE, GAB #2 feather
June 12, Tokyo (Matchmaking by Ring Japan)
YUJI GOMEZ, JBC #6 feather
10R
SUKHYI CHO, KBC #5 super-bantam
June 17, Tokyo (Matchmaking by Ring Japan)
OPBF super-bantam title bout
SHIN YAMATO, defending champ
12R
YONGIN CHO, Korean champ & OPBF #3
July 1, Nagoya (Matchmaking by Ring Japan)
KOZO ISHII, WBA #15 super-bantam
10R
HINO KIET THOR BOR UBON, Thailand
July 16, Takasago (Matchmaking by Ring Japan)
OPBF super-light title bout
MASAKAZU SATAKE, defending champ
12R
JONGKIL KIM, ex-champ, Korea
July 16, Nagoya (Matchmaking by Ring Japan)
HIDEYASU ISHIHARA, JBC #5 fly
10R
ROCKY ROGER, GAB #5 fly
YOSUKE OHTSUKA, JBC #5 super-light
10R
NONOY GONZALES, GAB #2 light
July 23, Sakaide (Matchmaking by Ring Japan)
OPBF super-welter title bout
KUKYUL SONG, defending champ, Korea
12R
TBA
July 30, Munakata (Matchmaking by Ring Japan)
TAKASHI KOSHIMOTO, JBC #3 feather
10R
TBA
DAINOSHIN KUMA, JBC #7 feather
10R
TBA
August 12, Tokyo (Matchmaking by Ring Japan)
NORIHISA TOMIMOTO
10R
TBA
August 22, Tokyo (Matchmaking by Ring Japan)
OPBF welter elimination bout
TOSHIHARU KAYAMA, Japanese champ, OPBF #1
12R
SUKHYUN YUN, ex-champ, OPBF #4
May 14, Seoul (Matchmaking by Ring Japan)
WBC super-fly title bout
INJOO CHO, defending champ, Korea
12R
JULIO CESAR AVILA, WBC #15, Mexico