Oz Academy Openweight Championship

Last updated
Oz Academy Openweight Championship
Oz Academy Openweight Championship.jpg
Current design of the championship (2019 – present)
Details
Promotion Oz Academy
Date establishedOctober 23, 2006 [1]
Current champion Saori Anou
Date wonApril 13, 2025
Statistics
First champion Aja Kong [2]
Most reigns Mayumi Ozaki (4 reigns)
Longest reign Akino
(537 days)
Shortest reign Mio Shirai
(4 hours, 2 minutes)
Oldest champion Mayumi Ozaki
(55 years, 183 days)
Youngest champion Yoshiko
(24 years, 95 days)
Heaviest champion Aja Kong
(103 kg (227 lb))) [3]
Lightest champion Chikayo Nagashima
(52 kg (115 lb))) [4]

The Oz Academy Openweight Championship is a women's professional wrestling championship owned by the Oz Academy promotion. The reigning champion is referred to as the "Wizard of Oz". [1] The championship, which is situated at the top of Oz Academy's championship hierarchy, was introduced on March 10, 2007, when Aja Kong defeated Chikayo Nagashima in the finals of a tournament to become the inaugural champion. [2]

Contents

Reigns

Aja Kong was the first champion in the title's history. [2] She also holds the records for most reigns, with three. [2] [5] [6] Akino holds the record for the longest reign, at 537 days, achieved on her first reign. Mio Shirai's only reign of four hours and two minutes [7] is the shortest in the title's history. Overall, there have been twenty-nine reigns shared among eighteen different wrestlers. Mio Momono is the current champion in her first reign.

Title history

Key
No.Overall reign number
ReignReign number for the specific champion
DaysNumber of days held
DefensesNumber of successful defenses
+Current reign is changing daily
No.ChampionChampionship changeReign statisticsNotesRef.
DateEventLocationReignDaysDefenses
1 Aja Kong March 10, 2007Queen Rebirth Tokyo, Japan 13091 [8] Kong defeated Chikayo Nagashima in the finals of a five-woman tournament to become the inaugural champion. [2]
2 Carlos Amano January 13, 2008The Wizard of OZ 2008 Tokyo, Japan 13642 [9] [8]
3 Mayumi Ozaki January 11, 2009The Wizard of OZ 2009 Tokyo, Japan 1422 [10] [9]
4 Dynamite Kansai February 22, 2009The Country of OZ 2009 Tokyo, Japan 11750 [5] [11]
5 Aja Kong August 16, 2009Plum Hanasaku ~ Country of OZ 2009 Tokyo, Japan 2360 [12] [5]
6 Manami Toyota September 21, 2009OZ-Power is Everything - night 1 Sapporo, Hokkaido, Japan 1930 [13] [12]
7 Carlos Amano December 23, 2009here is No Christmas in the Country of OZ! Tokyo, Japan 22001 [14] [13]
8 Kaoru July 11, 2010Summer Factor Tokyo, Japan 12734 [6] [14]
— Vacated April 10, 2011—————The championship was vacated, when Kaoru suffered an injury and was unable to continue a three-way street fight against Aja Kong and Mayumi Ozaki, forcing the match to be ended in a no contest. [6]
9 Aja Kong April 10, 2011One Night in Heaven Tokyo, Japan 3190 [15] Kong defeated Mayumi Ozaki to win the vacant championship. [6]
10 Ran Yu-Yu April 29, 2011Heavenly Days in Osaka Osaka, Japan 1860 [16] [15]
11 Dynamite Kansai July 24, 2011Gravity Tokyo, Japan 2280 [17] [16]
12 Mayumi Ozaki August 21, 2011Plum Hanasaku ~ Country of OZ 2011 - night 2: 15th Anniversary ~ Yokohama Dreams Park Yokohama, Kanagawa, Japan 22170 [18] This was a four-way elimination match, also involving Aja Kong and Shinobu Kandori. [17]
13 Chikayo Nagashima March 25, 2012A Kingdom of the Chaos Tokyo, Japan 13952 [19] This was a Dress Up Wild Fight 30-minute Time of the Trial match. [18]
14 Akino April 24, 2013Wednesdays Showdown Tokyo, Japan 15377 [20] [19]
15 Tsubasa Kuragaki October 13, 2014No Answer Tokyo, Japan 12162 [21] [22]
16 Akino May 17, 2015Reincarnation - night 2 Tokyo, Japan 2210 [23] [21]
17 Mio Shirai June 7, 2015Focus - night 1 Tokyo, Japan 1<10 [23]
— Vacated June 7, 2015Ozabun Spin-off Tokyo, Japan ——— Mio Shirai vacated the championship due to losing to Kaho Kobayashi in a non-title match. [7] [24]
18 Sonoko Kato August 23, 2015Plum Hanasaku ~ Country Of OZ 2015: Yokohama Dreams Park #3 Yokohama, Kanagawa, Japan 12455 [25] Kato defeated Hiroyo Matsumoto in a Last Woman Standing match to win the vacant championship. The match started off as a six-woman elimination tag team match, where Kato, Akino and Tsubasa Kuragaki faced Matsumoto, Arisa Nakajima and Hikaru Shida. [23]
— Vacated April 24, 2016The Artist Tokyo, Japan ———Kato was stripped of the championship after her title defense against Hiroyo Matsumoto ended in a no contest. [25]
19 Sonoko Kato July 18, 2016Aja Kong 30th Anniversary ~ Summer Jumbo Kotobuki Tokyo, Japan 21181 [26] Kato defeated Mayumi Ozaki in a No Holds Barred Hardcore match to win the vacant championship. [27]
20 Hiroyo Matsumoto November 13, 2016OZ Academy 20th Anniversary ~ Yokohama Dreams Park DK Yokohama, Kanagawa, Japan 13503 [28] [26]
21 Yoshiko October 29, 2017Yokohama Undersea Unexplored Expedition Yokohama, Kanagawa, Japan 12174 [28]
22 Hikaru Shida June 3, 2018Rude in June Tokyo, Japan 13152 [29]
23 Mayumi Ozaki April 14, 2019It is the Dawn of the Era Tokyo, Japan 37214 [30]
24 Sonoko Kato April 4, 2021OZ Academy Silver Bullet Tokyo, Japan 3701 [31] [32]
25 Kaori Yoneyama June 13, 2021OZ Academy The End Of Bright Tokyo, Japan 1351 [33]
26 Maya Yukihi July 18, 2021OZ Academy Tournament 25th Fortress Nagoya, Japan 1<10 [34]
— Vacated July 18, 2021—————
27 Maya Yukihi August 18, 2021OZ Academy Plum No Hanasaku OZ No Kuni ~ Mayumi Ozaki Debut 35th Anniversary Tokyo, Japan 22281This was a four-way match, also involving Mayumi Ozaki, Saori Anou and Yumi Ohka. [35]
28 Akino April 3, 2022OZ Academy Battle Big Bonus In Korakuen Tokyo, Japan 36446 [36]
29 Mio Momono January 7, 2024OZ Academy The Wizard Of OZ 2024 Tokyo, Japan 11120 [37]
30 Mayumi Ozaki April 28, 2024OZ Academy Battle Big Bonus 2024 Tokyo, Japan 41823This was a winner takes all match which was also contested for Ozaki's AAAW Single Championship. [38]
31 Ryo Mizunami October 27, 2024OZ Academy at Yokohama Budokan 2024 Tokyo, Japan 11681The winner of the Yokohama Budokan Tournament Kyoto Ranbu got to challenge for the title. [39]
32 Saori Anou April 13, 2025OZ Academy Battle Big Bonus 2025 Tokyo, Japan 1133+1 [40]

Combined reigns

Three-time champion Akino, who is the longest combined-reigning champion at 1,202 days. AKINO 2016.JPG
Three-time champion Akino, who is the longest combined-reigning champion at 1,202 days.

As of August24, 2025.

†Indicates the current champion
RankWrestlerNo. of
reigns		Combined
defenses		Combined
days
1 Akino 3131,202
2 Mayumi Ozaki 491,172
3 Carlos Amano 23564
4 Sonoko Kato 37433
5 Chikayo Nagashima 12395
6 Aja Kong 31364
7 Hiroyo Matsumoto 13350
8 Hikaru Shida 12315
9 Kaoru 14273
10 Maya Yukihi 21228
11 Yoshiko 14217
12 Tsubasa Kuragaki 12216
13 Dynamite Kansai 20203
14 Ryo Mizunami 11168
15 Saori Anou †11133+
16 Mio Momono 10112
17 Manami Toyota 1093
18 Ran Yu-Yu 1086
19 Kaori Yoneyama 1135
20 Mio Shirai 10<1

References

  1. 1 2 "Ozベルト設立の理由について". Oz Academy (in Japanese). October 23, 2006. Retrieved July 1, 2012.
  2. 1 2 3 4 5 "2007/03/10（土） 第25回Oz興行「 女王誕生 」 新宿Face 19:00～". Oz Academy (in Japanese). Archived from the original on May 18, 2007. Retrieved July 1, 2012.
  3. ↑ アジャ・コング. Oz Academy (in Japanese). Archived from the original on October 25, 2007. Retrieved July 1, 2012.
  4. ↑ 永島 千佳世. Oz Academy (in Japanese). Archived from the original on September 7, 2011. Retrieved July 1, 2012.
  5. 1 2 3 "2009/8/16（日） Oz後楽園大会 12:00～「 プラムの花咲くOzの国 2009 」". Oz Academy (in Japanese). Archived from the original on August 21, 2009. Retrieved July 1, 2012.
  6. 1 2 3 4 "2011/04/10（日） Oz新宿大会 18:00～ 「One Night In Heaven」". Oz Academy (in Japanese). Archived from the original on May 8, 2012. Retrieved July 1, 2012.
  7. 1 2 クチは災いのもと. Oz Academy (in Japanese). Ameba. June 10, 2015. Retrieved June 10, 2015.
  8. 1 2 "2008/1/13（日） Oz新宿大会 12：30～ 「 The Wizard of Oz 2008 」". Oz Academy (in Japanese). Archived from the original on September 7, 2008. Retrieved July 1, 2012.
  9. 1 2 "2009/01/11（日） Oz新宿大会 12:30～ 「The Wizard of Oz 2009」". Oz Academy (in Japanese). Archived from the original on January 22, 2009. Retrieved July 1, 2012.
  10. ↑ "2009/02/05（木） Oz新宿大会 19:00～ 「Oz-The Perfect Taboo!!」". Oz Academy (in Japanese). Archived from the original on February 11, 2009. Retrieved July 1, 2012.
  11. ↑ "2009/2/22（日） Oz後楽園大会 12：00～ 「魔性の花咲くOzの国」". Oz Academy (in Japanese). Archived from the original on February 26, 2009. Retrieved July 1, 2012.
  12. 1 2 "2009/9/21（月） Oz札幌大会 13:00～「 BJ Shop 札幌 プレゼンツ 」". Oz Academy (in Japanese). Archived from the original on November 13, 2009. Retrieved July 1, 2012.
  13. 1 2 "2009/12/23（水） Oz後楽園大会 12:00～「 Ozの国にクリスマスは無い！ 」". Oz Academy (in Japanese). Archived from the original on December 27, 2009. Retrieved July 1, 2012.
  14. 1 2 "2010/07/11（日） Oz新宿大会 12:30～ 「 Summer Factor 」". Oz Academy (in Japanese). Archived from the original on November 28, 2010. Retrieved July 1, 2012.
  15. 1 2 試合結果. Oz Academy (in Japanese). Livedoor. April 30, 2011. Retrieved February 7, 2013.
  16. 1 2 "2011/07/24（日） Oz新宿大会 12:00～ 「Gravity」". Oz Academy (in Japanese). Archived from the original on August 6, 2011. Retrieved July 1, 2012.
  17. 1 2 "2011/08/21(日) 16:00～「ﾌﾟﾗﾑの花咲くOzの国2011 Yokohama Dreams Park」". Oz Academy (in Japanese). Archived from the original on August 31, 2011. Retrieved July 1, 2012.
  18. 1 2 試合結果. Oz Academy (in Japanese). Livedoor. March 25, 2012. Retrieved August 14, 2013.
  19. 1 2 2013/04/24(水) 18:30～ 「決戦は水曜日!!」. Oz Academy (in Japanese). Archived from the original on June 12, 2013. Retrieved April 30, 2013.
  20. ↑ "【結果】Ozアカデミー10・13後楽園". Ringstars (in Japanese). Ameba. October 15, 2014. Retrieved October 18, 2014.
  21. 1 2 "2015/05/17(日) 18:00～ 「 Reincarnation 」". Oz Academy (in Japanese). Retrieved May 18, 2015.
  22. ↑ "2014/10/13(月) 12:00～ 「 No Answer 」". Oz Academy (in Japanese). Retrieved October 18, 2014.
  23. 1 2 3 "2015/06/07(日) 12:00～ 「 Focus 」". Oz Academy (in Japanese). Archived from the original on June 20, 2015. Retrieved June 17, 2015.
  24. ↑ Ozabun Spin-off～中川ともか、最後の1カウントを打ちに来たよ～. Pro Wrestling Wave (in Japanese). Retrieved June 8, 2015.
  25. 1 2 2016/04/24(日) 12:00～ Oz新宿大会 「 ～The Artist～ 」. Oz Academy (in Japanese). Retrieved April 27, 2016.
  26. 1 2 「Ozアカデミー結成20周年記念興行～Yokohama Drams Park DK～」. Oz Academy (in Japanese). Retrieved November 15, 2016.
  27. ↑ 2016/07/18(月) 12:00～ 「アジャ・コングデビュー30周年記念興行 ～Summer Jumbo 寿～」. Oz Academy (in Japanese). Retrieved July 19, 2016.
  28. 1 2 2017/10/29(日) 16:00～ 「 ～横浜海底秘境探検～ 」. Oz Academy (in Japanese). Retrieved October 31, 2017.
  29. ↑ "Hikaru Shida Wins Oz Academy Openweight Title". Squared Circle Sirens. Retrieved June 3, 2018.
  30. ↑ "Oz Academy: "It is the Dawn of the Era" Mayumi Ozaki se corona". Superluchas (in Spanish). 25 April 2019. Retrieved April 25, 2019.
  31. ↑ 【OZアカデミー】米山香織が加藤園子を破りOZアカデミー認定無差別王座を戴冠！6.13 新宿FACE『OZ25th～春嵐強襲～』＜全試合結果＞. ガジェット通信 (in Japanese). June 13, 2021. Retrieved June 14, 2021.
  32. ↑ Richards, Alex (April 5, 2021). "#AndNEW: Titles Change Hands at OZ Academy Silver Bullet". lastwordonsports.com. Retrieved April 5, 2021.
  33. ↑ Daly, Wayne (June 13, 2021). "OZ Academy Results: The End Of Bright – Tokyo, Japan (6/13)". wrestling-news.net. Retrieved June 16, 2021.
  34. ↑ Oz Academy (July 18, 2021). OZアカデミー女子プロレス名古屋大会 OZ 25th～Fortress＠名古屋～. oz-academy.com (in Japanese). Retrieved July 18, 2021.
  35. ↑ Oz Academy (August 18, 2021). OZアカデミー女子プロレス後楽園ホール大会 尾崎魔弓35周年記念 プラムの花咲くOZの国～正危軍興行～. oz-academy.com (in Japanese). Retrieved August 18, 2021.
  36. ↑ Kreikenbohm, Philip (April 3, 2022). "OZ Academy Battle Big Bonus In Korakuen". cagematch.net. Retrieved April 3, 2022.
  37. ↑ Kreikenbohm, Philip (January 7, 2024). "OZ Academy The Wizard Of OZ 2024". cagematch.net. Retrieved January 7, 2024.
  38. ↑ Kreikenbohm, Philip (April 28, 2024). "OZ Academy Battle Big Bonus 2024". cagematch.net. Retrieved April 28, 2024.
  39. ↑ Kreikenbohm, Philip (October 27, 2024). "OZ Academy Kyohi Ranbu 2024". cagematch.net. Retrieved October 27, 2024.
  40. ↑ Kreikenbohm, Philip (April 13, 2025). "OZ Academy Battle Big Bonus 2025". cagematch.net. Retrieved April 13, 2025.
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