Tsuyoshi “TK” Kosaka's Professional MMA debut
Kosaka made his professional debut against Nobuhiro Tsurumaki on August 20, 1994, fighting on the main card of Rings Japan: '94 Tour 6.
He made a winning start to his career, defeating Nobuhiro Tsurumaki who carried a 1-3-0 professional MMA record into the fight.
Tsuyoshi Kosaka beat Nobuhiro Tsurumaki by KO/TKO at 1:30 of Round 5.
Tsuyoshi “TK” Kosaka's Ultimate Fighting Championship Career
Kosaka made his debut in the UFC against Kimo Leopoldo on March 13, 1998, fighting on the main card of UFC 16: Battle in the Bayou having compiled a 20-15-0 professional MMA record.
Tsuyoshi Kosaka beat Kimo Leopoldo by Decision at 15:00 of Round 1.
Since his debut, Kosaka has gone on to fight a total of 6 more times in the UFC. His UFC record stands at 3-3-0.
Outside the UFC
After his UFC stint, Kosaka took his next fight at RINGS on March 28, 1998, fighting against Nikolai Zouev on the main card of Rings Japan: Fighting Integration 1.
Tsuyoshi Kosaka beat Nikolai Zouev by Submission at 10:20 of Round 1.
Return to Ultimate Fighting Championship
After 6 fights outside of the promotion, Kosaka returned to the UFC on October 16, 1998, fighting against Pete Williams on the main card of UFC 17.5: Ultimate Brazil.
At the time of his UFC return, his professional MMA record stood at 25-16-1
Tsuyoshi Kosaka beat Pete Williams by Decision at 15:00 of Round 1.
Return to Ultimate Fighting Championship
After 1 fights outside of the promotion, Kosaka returned to the UFC on January 8, 1999, fighting against Bas Rutten on the co-main event of UFC 18: The Road to the Heavyweight Title.
At the time of his UFC return, his professional MMA record stood at 26-17-1
Tsuyoshi Kosaka lost to Bas Rutten by KO/TKO at 14:15 of Round 1.
Return to Ultimate Fighting Championship
After 3 fights outside of the promotion, Kosaka returned to the UFC on July 16, 1999, fighting against Tim Lajcik on the main card of UFC 21: Return of the Champions.
At the time of his UFC return, his professional MMA record stood at 27-20-1
Tsuyoshi Kosaka beat Tim Lajcik by KO/TKO at 5:00 of Round 2.
Return to Ultimate Fighting Championship
After 1 fights outside of the promotion, Kosaka returned to the UFC on November 19, 1999, fighting against Pedro Rizzo on the main card of UFC 23: Ultimate Japan 2.
At the time of his UFC return, his professional MMA record stood at 29-20-1
Tsuyoshi Kosaka lost to Pedro Rizzo by KO/TKO at 1:12 of Round 3.
Return to Ultimate Fighting Championship
After 11 fights outside of the promotion, Kosaka returned to the UFC on May 10, 2002, fighting against Ricco Rodriguez on the main card of UFC 37: High Impact.
At the time of his UFC return, his professional MMA record stood at 35-25-2
Tsuyoshi Kosaka lost to Ricco Rodriguez by KO/TKO at 3:25 of Round 2.
When was Tsuyoshi Kosaka's last win?
Kosaka's last win came against Mikio Ueda at RIZIN 35 on Sunday April 17, 2022. Tsuyoshi Kosaka beat Mikio Ueda by KO/TKO at 2:05 of Round 1.