JR East Judo: 2025 All Japan Weight Class Championships

November 1st (Sat) – 2nd (Sun) 2025 Kodokan Cup All Japan Judo Weight Class Championships

Chiba Port Arena

This tournament is a competition to determine the best in Japan in each class, in which the top prize winners of various national tournaments and all-Japan training athletes participate, and the selection of training athletes,
This event will also serve as the selection for Japan’s representative players for the Grand Slam Tokyo (an international tournament) to be held on Saturday, December 6th and Sunday, December 7th.

Seven players from JR East participated.
In the 57kg class, Akari Omori won her first match in overtime and continued to fight calmly to advance to the finals. The final match was also a tough battle with overtime, but they won the victory thanks to their accumulated guidance to the opposing players.

Yuri Nakauchi in the 52kg class fought through a tough battle and made it to the semi-finals, but lost in the semi-finals and narrowly lost in the third-place deciding match, finishing in fifth place.

Kokoharu Mori in the 78kg class made good progress, but was defeated in the third round. After that, they were eliminated in the repechage match and finished in 7th place.

On the day of the event, over 450 people came to the venue to support us. The loud cheers that echoed through the venue gave the players strength. thank you very much. We will continue to work hard every day, so we appreciate your continued support.

Omori player award ceremony

Ye Wei Wanli player

Ye Wei Wanli player

Yuri Nakauchi

Yuri Nakauchi

Mizuki Kagawa

Mizuki Kagawa

Akari Omori

Akari Omori

Mizuki Hasegawa

Mizuki Hasegawa

Saika Saito

Saika Saito

Kokoharu Mori

Kokoharu Mori

Supporting situation

Supporting situation

Match results

48kg class Weimari Nozaki lost in the first round

1st round Ye Wei Wanli △GS dominant (effective/horizontal solid)○ Hikaru Yoshioka (Self-Defense Forces Physical Education School)

52kg Nakauchi Yuri ranked 5th

1st round Nakauchi Yuri ○Advantages (skills and valleys) △ Senju Nosho (1st year at Kokushikan University)
2nd round Nakauchi Yuri ○Foul (Guidance 3)△ Asahi Onoshima (2nd year, Sapporo University)
3rd round Nakauchi Yuri ○GS superiority (effective/Ouchi Kari)△ Riho Shibata (Tsukuba United)
quarter finals Nakauchi Yuri ○Foul (DH)△ Aomi Miyahara (Ryukoku University)
Semi-final match Nakauchi Yuri △GS superiority (effective/collapsible four-way solid)○ Nanako Tsubone (Self-Defense Forces Physical Education School)
3rd place match Nakauchi Yuri △GS foul (guidance 3)○ Ko Ochiai (Tokyo Gakugei University)

57kg class Mizuki Kagawa lost in the 3rd round

2nd round Mizuki Kagawa ○GS foul (guidance 3) △ Yuka Takeda (Mitsui Sumitomo Insurance)
3rd round Mizuki Kagawa △GS foul (guidance 3)○ Misakura Shirogane (University of Tsukuba)

57kg class Akari Omori Winner

2nd round Akari Omori ○GS foul (guidance 3) △ Kiyofu Arakawa (University of the Pacific Rim)
3rd round Akari Omori ○Advantages (skills and points) △ Hina Takehara (Meiji International Medical University)
quarter finals Akari Omori ○Shotogari△ Kiyomi Takano (Japan Ace Support)
Semi-final match Akari Omori ○GS advantage (effective/uranage)△ Mina Komiyama (Komatsu)
final match Akari Omori ○GS foul (guidance 3) △ Misakura Shirogane (University of Tsukuba)

78kg class Mizuki Hasegawa lost in the second round

1st round Mizuki Hasegawa ○Shoulder solid△ Maru Yano (Yamanashi Gakuin University)
2nd round Mizuki Hasegawa △GS superiority (Gazai/Kouchi-kari)○ Hanae Ono (Senko)

78kg class Sakka Saito lost in the second round

1st round Sakka Saito ○GS foul (guidance 3) △ Eka Omori (Waseda University)
2nd round Sakka Saito △Inner thigh○ Reina Tanaka (Osaka Prefectural Police)

78kg class Mori Shinharu ranked 7th

1st round Koharu Mori ○GS superiority (effective/Kuruage Shiho solid) △ Misuzu Katsumata (2nd year of Fuji Gakuen High School)
2nd round Koharu Mori ○ Dominant (effective/sleeve fishing waist) △ Kokoro Otawa (1st year, University of Tsukuba)
quarter finals Koharu Mori △Collapse Sifanggu○ Mami Umeki (ALSOK)
Loser’s Resurrection Koharu Mori △GS dominance (effective/valley)○ Hanae Ono (Senko)

Aiko Tanaka

Aiko Tanaka is a combat sports journalist and general sports reporter at Archysport. A former competitive judoka who represented Japan at the Asian Games, Aiko brings firsthand athletic experience to her coverage of judo, martial arts, and Olympic sports. Beyond combat sports, Aiko covers breaking sports news, major international events, and the stories that cut across disciplines — from doping scandals to governance issues to the business side of global sport. She is passionate about elevating the profile of underrepresented sports and athletes.

Leave a Comment