
Tetsuya Seki| Result | Opponent | Weight | Method | Event | Date | Location |
|---|---|---|---|---|---|---|
| Loss | Karshyga Dautbek | 146 lb | KO (punch to the body), R1 (3:11) | Rizin 47 | 2024-07-28 | Saitama, Japan |
| Win | Raiki Endo | 146 lb | Decision (unanimous) | Rizin 43 - Sapporo | 2023-06-24 | Sapporo, Japan |
| Loss | Yoshiki Nakahara | 150 lb | Decision (unanimous) | Rizin 37 - Saitama | 2022-07-31 | Saitama, Japan |
| Win | Akira Haraguchi | 146 lb | Decision (unanimous) | Rizin Landmark 3 | 2022-05-05 | , Japan |
| Loss | Yoshinori Horie | 146 lb | TKO (punches), R3 (1:16) | Rizin 27 - Nagoya | 2021-03-21 | Nagoya, Japan |
| Win | Kouya Kanda | 145 lb | TKO (punches), R2 (3:47) | Rizin 22 – Starting Over | 2020-08-09 | Yokohama, Japan |
2024-07-28 - Rizin 47 -
Saitama, Japan
Saitama, Japan
| Result | Opponent | Weight | Method | Event | Date | Location |
|---|---|---|---|---|---|---|
| Loss | Karshyga Dautbek | 146 lb | KO (punch to the body), R1 (3:11) | Rizin 47 | 2024-07-28 | Saitama, Japan |
| Win | Raiki Endo | 146 lb | Decision (unanimous) | Rizin 43 - Sapporo | 2023-06-24 | Sapporo, Japan |
| Loss | Yoshiki Nakahara | 150 lb | Decision (unanimous) | Rizin 37 - Saitama | 2022-07-31 | Saitama, Japan |
| Win | Akira Haraguchi | 146 lb | Decision (unanimous) | Rizin Landmark 3 | 2022-05-05 | , Japan |
| Loss | Yoshinori Horie | 146 lb | TKO (punches), R3 (1:16) | Rizin 27 - Nagoya | 2021-03-21 | Nagoya, Japan |
| Win | Kouya Kanda | 145 lb | TKO (punches), R2 (3:47) | Rizin 22 – Starting Over | 2020-08-09 | Yokohama, Japan |
Featherweight (146 lb / 66 kg)
~
~
Winner: Karshyga Dautbek via KO (punch to the body) in round 1 (3:11)

| Result | Opponent | Weight | Method | Event | Date | Location |
|---|---|---|---|---|---|---|
| Win | Chihiro Suzuki | 146 lb | Decision (split) | Rizin 50 | 2025-03-30 | Takamatsu, Japan |
| Win | Ren Sugiyama | 146 lb | Decision (unanimous) | Rizin 49: Decade | 2024-12-31 | Saitama, Japan |
| Win | Takeaki Kinoshita | 146 lb | KO (punch), R1 (1:48) | Rizin 48 | 2024-09-29 | Saitama, Japan |
| Win | Tetsuya Seki | 146 lb | KO (punch to the body), R1 (3:11) | Rizin 47 | 2024-07-28 | Saitama, Japan |
| Loss | Mikuru Asakura | 145 lb | Decision (unanimous) | Rizin 13 - Saitama | 2018-09-30 | Saitama, Japan |
Featherweight (146 lb / 66 kg)
~
~
Winner: Karshyga Dautbek via KO (punch to the body) in round 1 (3:11)
2023-06-24 - Rizin 43 - Sapporo -
Sapporo, Japan
Sapporo, Japan
| Result | Opponent | Weight | Method | Event | Date | Location |
|---|---|---|---|---|---|---|
| Loss | Karshyga Dautbek | 146 lb | KO (punch to the body), R1 (3:11) | Rizin 47 | 2024-07-28 | Saitama, Japan |
| Win | Raiki Endo | 146 lb | Decision (unanimous) | Rizin 43 - Sapporo | 2023-06-24 | Sapporo, Japan |
| Loss | Yoshiki Nakahara | 150 lb | Decision (unanimous) | Rizin 37 - Saitama | 2022-07-31 | Saitama, Japan |
| Win | Akira Haraguchi | 146 lb | Decision (unanimous) | Rizin Landmark 3 | 2022-05-05 | , Japan |
| Loss | Yoshinori Horie | 146 lb | TKO (punches), R3 (1:16) | Rizin 27 - Nagoya | 2021-03-21 | Nagoya, Japan |
| Win | Kouya Kanda | 145 lb | TKO (punches), R2 (3:47) | Rizin 22 – Starting Over | 2020-08-09 | Yokohama, Japan |
Featherweight (146 lb / 66 kg)
~
~
Winner: Tetsuya Seki via Decision (unanimous)
| User #1 | Tetsuya Seki via Decision | |||
| User #2 | Tetsuya Seki via TKO in round 2 | |||
| User #3 | Tetsuya Seki via Decision |
Featherweight (146 lb / 66 kg)
~
~
Winner: Tetsuya Seki via Decision (unanimous)
| User #1 | Tetsuya Seki via Decision |
| User #2 | Tetsuya Seki via TKO in round 2 |
| User #3 | Tetsuya Seki via Decision |
2022-07-31 - Rizin 37 - Saitama -
Saitama, Japan
Saitama, Japan
| Result | Opponent | Weight | Method | Event | Date | Location |
|---|---|---|---|---|---|---|
| Loss | Karshyga Dautbek | 146 lb | KO (punch to the body), R1 (3:11) | Rizin 47 | 2024-07-28 | Saitama, Japan |
| Win | Raiki Endo | 146 lb | Decision (unanimous) | Rizin 43 - Sapporo | 2023-06-24 | Sapporo, Japan |
| Loss | Yoshiki Nakahara | 150 lb | Decision (unanimous) | Rizin 37 - Saitama | 2022-07-31 | Saitama, Japan |
| Win | Akira Haraguchi | 146 lb | Decision (unanimous) | Rizin Landmark 3 | 2022-05-05 | , Japan |
| Loss | Yoshinori Horie | 146 lb | TKO (punches), R3 (1:16) | Rizin 27 - Nagoya | 2021-03-21 | Nagoya, Japan |
| Win | Kouya Kanda | 145 lb | TKO (punches), R2 (3:47) | Rizin 22 – Starting Over | 2020-08-09 | Yokohama, Japan |
Catchweight (150 lb / 68 kg)
~
~
Winner: Yoshiki Nakahara via Decision (unanimous)
| User #1 | Tetsuya Seki via Decision | |||
| User #2 | Tetsuya Seki via Decision | |||
| User #3 | Yoshiki Nakahara via TKO in round 2 |

| Result | Opponent | Weight | Method | Event | Date | Location |
|---|---|---|---|---|---|---|
| Loss | Young Jae Song | 146 lb | KO (punch), R3 (1:28) | Rizin World Series in Korea | 2025-05-31 | Incheon, South Korea |
| Loss | Viktor Kolesnik | 146 lb | Decision (unanimous) | Rizin 46 | 2024-04-29 | Tokyo, Japan |
| Loss | Chihiro Suzuki | 146 lb | KO (punches), R1 (4:44) | Bellator MMA vs. Rizin | 2022-12-31 | Saitama, Japan |
| Win | Tetsuya Seki | 150 lb | Decision (unanimous) | Rizin 37 - Saitama | 2022-07-31 | Saitama, Japan |
Catchweight (150 lb / 68 kg)
~
~
Winner: Yoshiki Nakahara via Decision (unanimous)
| User #1 | Tetsuya Seki via Decision |
| User #2 | Tetsuya Seki via Decision |
| User #3 | Yoshiki Nakahara via TKO in round 2 |
2022-05-05 - Rizin Landmark 3 -
, Japan
, Japan
| Result | Opponent | Weight | Method | Event | Date | Location |
|---|---|---|---|---|---|---|
| Loss | Karshyga Dautbek | 146 lb | KO (punch to the body), R1 (3:11) | Rizin 47 | 2024-07-28 | Saitama, Japan |
| Win | Raiki Endo | 146 lb | Decision (unanimous) | Rizin 43 - Sapporo | 2023-06-24 | Sapporo, Japan |
| Loss | Yoshiki Nakahara | 150 lb | Decision (unanimous) | Rizin 37 - Saitama | 2022-07-31 | Saitama, Japan |
| Win | Akira Haraguchi | 146 lb | Decision (unanimous) | Rizin Landmark 3 | 2022-05-05 | , Japan |
| Loss | Yoshinori Horie | 146 lb | TKO (punches), R3 (1:16) | Rizin 27 - Nagoya | 2021-03-21 | Nagoya, Japan |
| Win | Kouya Kanda | 145 lb | TKO (punches), R2 (3:47) | Rizin 22 – Starting Over | 2020-08-09 | Yokohama, Japan |
Featherweight (146 lb / 66 kg)
~
~
Winner: Tetsuya Seki via Decision (unanimous)
Featherweight (146 lb / 66 kg)
~
~
Winner: Tetsuya Seki via Decision (unanimous)
2021-03-21 - Rizin 27 - Nagoya -
Nagoya, Japan
Nagoya, Japan
| Result | Opponent | Weight | Method | Event | Date | Location |
|---|---|---|---|---|---|---|
| Loss | Karshyga Dautbek | 146 lb | KO (punch to the body), R1 (3:11) | Rizin 47 | 2024-07-28 | Saitama, Japan |
| Win | Raiki Endo | 146 lb | Decision (unanimous) | Rizin 43 - Sapporo | 2023-06-24 | Sapporo, Japan |
| Loss | Yoshiki Nakahara | 150 lb | Decision (unanimous) | Rizin 37 - Saitama | 2022-07-31 | Saitama, Japan |
| Win | Akira Haraguchi | 146 lb | Decision (unanimous) | Rizin Landmark 3 | 2022-05-05 | , Japan |
| Loss | Yoshinori Horie | 146 lb | TKO (punches), R3 (1:16) | Rizin 27 - Nagoya | 2021-03-21 | Nagoya, Japan |
| Win | Kouya Kanda | 145 lb | TKO (punches), R2 (3:47) | Rizin 22 – Starting Over | 2020-08-09 | Yokohama, Japan |
Featherweight (146 lb / 66 kg)
~
~
Winner: Yoshinori Horie via TKO (punches) in round 3 (1:16)
| User #1 | Yoshinori Horie via Decision | |||
| User #2 | Tetsuya Seki via TKO in round 2 |

| Result | Opponent | Weight | Method | Event | Date | Location |
|---|---|---|---|---|---|---|
| Win | Yamato Nishikawa | 157 lb | TKO (elbows and punches), R1 (4:40) | Rizin Landmark 11 | 2025-06-14 | Sapporo, Japan |
| Loss | Luiz Gustavo | 157 lb | Decision (unanimous) | Rizin Landmark 8 | 2024-02-24 | Saga, Japan |
| Loss | Vugar Karamov | 146 lb | Submission (rear naked choke), R2 (3:21) | Rizin 41 – Osaka | 2023-04-01 | Osaka, Japan |
| Win | Hirotaka Nakada | 150 lb | Decision (unanimous) | Rizin Trigger 1st | 2021-11-28 | Kobe, Japan |
| Win | Ulka Sasaki | 146 lb | Decision (unanimous) | Rizin 30 - Saitama | 2021-09-19 | Saitama, Japan |
| Win | Tetsuya Seki | 146 lb | TKO (punches), R3 (1:16) | Rizin 27 - Nagoya | 2021-03-21 | Nagoya, Japan |
| Loss | Hakeem Dawodu | 145 lb | TKO (head kick), R3 (4:09) | UFC 240: Holloway vs. Edgar | 2019-07-27 | Edmonton, Alberta, Canada |
Featherweight (146 lb / 66 kg)
~
~
Winner: Yoshinori Horie via TKO (punches) in round 3 (1:16)
| User #1 | Yoshinori Horie via Decision |
| User #2 | Tetsuya Seki via TKO in round 2 |
2020-08-09 - Rizin 22 – Starting Over -
Yokohama, Japan
Yokohama, Japan
| Result | Opponent | Weight | Method | Event | Date | Location |
|---|---|---|---|---|---|---|
| Loss | Karshyga Dautbek | 146 lb | KO (punch to the body), R1 (3:11) | Rizin 47 | 2024-07-28 | Saitama, Japan |
| Win | Raiki Endo | 146 lb | Decision (unanimous) | Rizin 43 - Sapporo | 2023-06-24 | Sapporo, Japan |
| Loss | Yoshiki Nakahara | 150 lb | Decision (unanimous) | Rizin 37 - Saitama | 2022-07-31 | Saitama, Japan |
| Win | Akira Haraguchi | 146 lb | Decision (unanimous) | Rizin Landmark 3 | 2022-05-05 | , Japan |
| Loss | Yoshinori Horie | 146 lb | TKO (punches), R3 (1:16) | Rizin 27 - Nagoya | 2021-03-21 | Nagoya, Japan |
| Win | Kouya Kanda | 145 lb | TKO (punches), R2 (3:47) | Rizin 22 – Starting Over | 2020-08-09 | Yokohama, Japan |
Featherweight (145 lb / 66 kg)
~
~
Winner: Tetsuya Seki via TKO (punches) in round 2 (3:47)
| User #1 | Tetsuya Seki via Decision | |||
| User #2 | Tetsuya Seki via Decision | |||
| User #3 | Tetsuya Seki via Decision | |||
| "ZST never die" | ||||
Featherweight (145 lb / 66 kg)
~
~
Winner: Tetsuya Seki via TKO (punches) in round 2 (3:47)
| User #1 | Tetsuya Seki via Decision | |||
| User #2 | Tetsuya Seki via Decision | |||
| User #3 | Tetsuya Seki via Decision | |||
| "ZST never die" | ||||
Sat 09:02
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