Jo Arai has 12 losses against 12 opponents on his MMA record. For a list of Arai's best fights, refer to "Best fights of Jo Arai".
On September 29, 2024 Jo Arai faced off against Nkazimulo Zulu in a flyweight bout at age 26. He was coming in with a record of 13-12-1 (10). Arai lost the fight via 1st-round TKO.
On December 31, 2023 Jo Arai faced off against Hiroya Kondo in a flyweight bout at age 25. He was coming in with a record of 13-11-1 (10). Arai lost the fight via 2nd-round TKO.
On July 15, 2019 Jo Arai faced off against Takeru Uchida in a strawweight bout at age 21. He was coming in with a record of 2-10-1 (2). Arai lost the fight via 2nd-round submission.
On December 15, 2018 Jo Arai faced off against Tomoharu Umezawa in a strawweight bout at age 20. He was coming in with a record of 1-9-1 (1). Arai lost the fight via 2nd-round submission.
On July 15, 2018 Jo Arai faced off against Yohei Komaki in a strawweight bout at age 20. He was coming in with a record of 1-8-1 (1). Arai lost the fight via 1st-round submission.
On April 22, 2018 Jo Arai faced off against Sho Nishida in a strawweight bout at age 20. He was coming in with a record of 1-7-1 (1). Arai lost the fight via 1st-round submission.
On March 25, 2018 Jo Arai faced off against Koha Minowa in a strawweight bout at age 20. He was coming in with a record of 1-6-1 (1). Arai lost the fight via 2nd-round submission.
On October 28, 2017 Jo Arai faced off against Qing Wang in a strawweight bout at age 19. He was coming in with a record of 1-5-1 (1). Arai lost the fight via 1st-round submission.
On June 18, 2017 Jo Arai faced off against Atsushi Makigaya in a strawweight bout at age 19. He was coming in with a record of 1-4-1 (1). Arai lost the fight via 2nd-round submission.
On February 24, 2017 Jo Arai faced off against Tomoaki Ota in a strawweight bout at age 19. He was coming in with a record of 1-3-1 (1). Arai lost the fight via 2nd-round TKO.
On October 15, 2016 Jo Arai faced off against Satoru Date in a flyweight bout at age 18. He was coming in with a record of 1-2-1 (1). Arai lost the fight via 2nd-round TKO.
On September 28, 2016 Jo Arai faced off against Gexi Sanlanggexi in a strawweight bout at age 18. He was coming in with a record of 1-1-1 (1). Arai lost the fight via 2nd-round submission.