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| Month | Date | Event |
|---|---|---|
| 4 | 4-5 | All Japan Judo Championships by weight category |
| 19 | All Japan Women’s Judo Championship (Open category) | |
| 26 | All Japan Judo Championship (Open category) | |
| 5 | 4-5 | U13 National Judo Team Tournament |
| 30 | All Japan Kata Judo Competition | |
| 6 | 20-21 | Japan Veterans International Judo Championships |
| 27-28 | National University Judo Team Championship (Open category) | |
| 7 | 22-24 | Kinshuki High School Judo Team Tournament |
| 8 | 2 | National U13 Budo Training and Team Competition (Judo) |
| 2 | National Part-Time High School Team Tournament | |
| 6-10 | National High School Sports Games (Judo Individual & Team Tournament) | |
| 18-21 | National Junior High School Sports Games (Judo: Individual & Team Tournament) | |
| 23 | National U13 Development Project | |
| 9 | 12-13 | All Japan Junior Judo Championships by weight category |
| 20 | Maruchan Cup National U13 & U16 Judo Team Tournament | |
| 26-27 | National University Judo Championships by weight category | |
| 10 | 24-25 | National University Judo Team Championship by weight category |
| 11 | 7-8 | Kodokan Cup All Japan Judo Championships by weight category |
| 12 | 5-6 | Tokyo Grand Slam |
| 20 | Bunburyodo Cup National High School Judo Tournament | |
| 2 | 27-28 | All Japan Senior Judo Championships by weight category |
| 3 | 20-21 | Judo Magazine Cup National Junior High School Judo Team Tournament |
| 27-28 | National High School Judo Individual & Team Championships |