FC Ryukyu and Okinawa SV met in their prefectural final last year too. Source.
It's the prefectural championships, in which teams below J2 compete for a place in Round One of the Emperor's Cup.
All games are May 12th, except as indicated.
Hokkaido: 2024 HKFA 6th Hokkaido Soccer Championship:
Hokkaido Tokachi Sky Earth [1 - 0] Hokkaido University of Education
Aomori: 77th Aomori Prefecture Soccer Championship:
Vanraure Hachinohe [2 - 0] Blancdieu Hirosaki
Iwate: 74rd Iwate Football Championship final:
Iwate Grulla Morioka [3 - 0] Fuji University
Miyagi: 28th Miyagi Championship Hebei Cup:
Sony Sendai [2 - 1] Cobaltore Onagawa
Akita: 34th Akita Football Championship final (April 14):
Saruta Kogyo 1 - 0 North Asia University
Yamagata: 28th Yamagata Football Championship final (April 7):
Oyama SC 5 - 3 Yamagata University
Fukushima: Fukushima Cup, NHK Cup 29th Fukushima Football Championship final:
Fukushima United [7 - 0] FC Primeiro Fukushima
Ibaraki: 27th Ibaraki Football Championship final:
University of Tsukuba [2 - 1] RKU Dragons Ryugasaki
Tochigi: NEZAS Cup 29th Tochigi Prefecture Football Championship final:
Tochigi City [0 - 0] Vertfee Yaita [Tochigi won on PK]
Gunma: 29th Gunma President's Cup final:
Tonan Maebashi [2 - 1] Jobu University
Saitama: Friendship Cup 29th Saitama Prefecture Football Championship Tournament final (May 11):
Omiya Ardija 1 - 0 Tokyo International University
Chiba: 29th Chiba Prefecture Football Championship final (April 20):
Briobecca Urayasu 1 - 0 Vonds Ichihara
Tokyo: 29th Tokyo Football Tournament final (May 11):
Yokogawa Musashino 1 - 1 Nihon University (Musashino win on PK)
Kanagawa: 29th Kanagawa Football Championship final:
SC Sagamihara [5 - 0] Toin University of Yokohama
Yamanashi: 29th Yamanashi Football Championship final (May 5):
Narasaki Astros 2 - 3 YGU Pegasus
Nagano: 29th Nagano Football Championship final:
Nagano Parceiro [1 - 1] Matsumoto Yamaga [Parceiro win on PK]
Niigata: 2024 Niigata Daily Cup · NHK Cup · Kyodo News Cup 29th Niigata Prefecture Football Championship final (May 5):
Japan Soccer College 2 - 1 Niigata University HW
Toyama: 29th Toyama Football Championship final:
Kataller Toyama [2 - 0] Toyama Shinjo
Ishikawa: 53rd Ishikawa Football Championship final:
Zweigen Kanazawa [6 - 1] Kanazawa Seiryo University
Fukui: 2024 Fukui Football Championship final:
Fukui United [5 - 0] Sakai Phoenix
Shizuoka: 29th Suruga Cup Competition Shizuoka Soccer Championship final:
Azul Claro Numazu [2 - 0] Tokoha University
Aichi: AIFA 29th Aichi Football Championship final (May 11):
Maruyasu Okazaki 2 - 3 Chukyo University
Mie: 29th Mie Football Championship final:
Atletico Suzuka [1 - 3] Veertien Mie
Gifu: 29th Gifu Football Championship final (May 11):
FC Gifu 5 - 0 FC Bombonera
Shiga: 29th Shiga Football Championship final (May 11):
Reilac Shiga 1 - 2 Biwako Seikei Sport College
Kyoto: Kyoto FA Cup 29th Kyoto Championship final:
Ocacias Kyoto [0 - 4] Kyoto Sangyo University
Osaka: 29th Osaka Football Championship final:
Momoyama Gakuin University [1 - 2] Kansai University
Hyogo: 27th Hyogo Football Championship final:
Konan University [2 - 2] Kwansei Gakuin University [Konan U win on PK]
Nara: 29th Nara Football Championship final:
Nara Club [1 - 0] Asuka FC
Wakayama: 29th Wakayama Football Championship final:
Wakayama Kihoku Shukyudan [0 - 9] Arterivo Wakayama
Tottori: 67th Tottori Football Championship final (April 21):
Gainare Tottori 3 - 2 Yonago Genki SC
Shimane: 29th Shimane Football Championship final (April 21):
Belugarosso Iwami 3 - 0 SC Matsue
Okayama: 44th Okayama Football Championship final (April 21):
Mitsubishi Mizushima 2 - 0 International Pacific University
Hiroshima: 2024 All Hiroshima Football Championship final (April 21):
Fukuyama City 4 - 0 Hiroshima University of Economics
Yamaguchi: Reiwa 6 Yamaguchi Prefecture Football Championship final (April 21):
Baleine Shimonoseki 3 - 0 Shunan University
Kagawa: 29th Kagawa Football Championship final:
Kamatamare Sanuki [3 - 2] Takamatsu University
Tokushima: 29th Football Championship in Tokushima Prefecture (May 5):
FC Tokushima 4 - 0 NJ FC
Ehime: 2024 Ehime Prefecture Football Championship final:
FC Imabari [6 - 1] Lvnirosso NC
Kochi: 29th Kochi Football Championship final:
Kochi United [5 - 0] KUFC Nankoku
Fukuoka: 28th Fukuoka Football Championship final:
Giravanz Kitakyushu [4 - 0] Fukuoka University
Saga: 29th Saga Football Championship final:
Kawasoe Club [0 - 0] Brew Kashima [Kawasoe win on PK]
Nagasaki: 35th Nagasaki Football Championship final (May 11):
Mitsubishi Nagasaki 2 - 0 Nagasaki Wesleyan University
Kumamoto: NHK Cup KFA 28th Kumamoto Football Championship final:
Kumamoto Gakuen University [1 - 1] Tokai University Kumamoto [Tokai U win on PK]
Oita: OFA 2024 Oita Football Championship final:
Verspah Oita [0 - 2] J-Lease FC Upset
Miyazaki: 28th Miyazaki / NHK Cup Miyazaki Football Championship final:
Tegevagaro Miyazaki [2 - 0] Veroskronos Tsuno
Kagoshima: 39th Kagoshima Football Championship final:
NIFS Kanoya [6 - 0] NIFS Kanoya FC
Okinawa: OFA Times Cup 29th Okinawa Football Championship final:
FC Ryukyu [0 - 1] Okinawa SV