Fighter details + Follow Given Name: Tsuyoshi Kosaka
Nickname: "TK"
Age: 56 | Date of Birth: 03/06/1970
Last Weight-in: 214 lbs
Height: 5'11"
Born: Kusatsu, Shiga
Gyms & Affiliations: Alliance-Square
Tsuyoshi Kosaka has a 28-21-2 professional record and is 56 years old in the Heavyweight division, representing Alliance-Square. This profile tracks fight history, UFC stats, ELO rating, record, age, and opponent links.
Last updated Jul 16, 2025 · Combat Edge fight database
Career snapshot
Tsuyoshi Kosaka career snapshot Recent form W-L-L-L-W Latest 5 decisive tracked pro results Current run 1-fight winning streak Most recent tracked result: Win vs Opponent TBD Finish profile 54% 15 finishes in 28 recorded wins Primary win path knockout/TKO 9 recorded wins by knockout/TKO Tsuyoshi Kosaka quick answers What is Tsuyoshi Kosaka's record? Tsuyoshi Kosaka's professional MMA record is 28-21-2.
How old is Tsuyoshi Kosaka? Tsuyoshi Kosaka is 56 years old.
What weight class is Tsuyoshi Kosaka? Tsuyoshi Kosaka fights at Heavyweight in RFF.
How tall is Tsuyoshi Kosaka? Tsuyoshi Kosaka is 5'11" tall.
How much does Tsuyoshi Kosaka weigh? Tsuyoshi Kosaka competes at Heavyweight, with a most recent weigh-in of 214 lbs.
What is Tsuyoshi Kosaka's Combat Edge Elo? Tsuyoshi Kosaka's Combat Edge Elo is 1607, with a peak Elo of 1652.
How strong is Tsuyoshi Kosaka's recent opposition? Tsuyoshi Kosaka's latest 10 counted opponents averaged 1659 Elo immediately before their fights. This avoids using opponents' later career results with hindsight.
When was Tsuyoshi Kosaka's last fight? Tsuyoshi Kosaka's latest tracked pro fight was against Opponent TBD at RIZIN 35 on Apr 17 2022.
What is Tsuyoshi Kosaka's recent form? Tsuyoshi Kosaka's recent tracked pro form is W-L-L-L-W over the latest 5 decisive pro results.
How does Tsuyoshi Kosaka usually win? Tsuyoshi Kosaka's 28 recorded wins include 9 knockouts, 6 submissions, and 9 decisions, with 54% ending before the final bell.
9 Wins by knockout
6 Wins by submission
9 Wins by decision
10 Loss by knockout
2 Loss by submission
7 Loss by decision
Tsuyoshi Kosaka stats Record : 28 / 21 / 2 Significant strikes landed per minute 0.71 Fighter 2.81 Division average
Significant striking accuracy 55% Fighter 47% Division average
Significant strikes absorbed per minute 17.82 Fighter 4.44 Division average
Significant strike defenseThe % of opponents strikes that did not land 54% Fighter 48% Division average
Average takedowns landed per 15 minutes 1.78 Fighter 1.38 Division average
Takedown accuracy 100% Fighter 37% Division average
Takedown defenseThe % of opponents TD attempts that did not land 33% Fighter 48% Division average
Average submissions attempted per 15 minutes 0 Fighter 0.60 Division average
Pro fight history Result Opponent Method Time Round Event Date Fight details
Win41-33-2 Opponent TBD 0-0 Ground & Pound 2:05 R1 RIZIN 35 Apr 17 2022 Details unavailable Loss41-32-2 Opponent TBD 6-2 Right Shin Cut 3:23 R1 HEAT 46 Jan 19 2020 Details unavailable Draw28-21-2 Opponent TBD Record TBD DrawGrappling 1', Total R8:00 Quintet Fight Night 2 in Tokyo Feb 3 2019 Details unavailable Loss41-31-2 Opponent TBD 35-11-2 Punches (Towel Thrown) 1:02 R1 RIZIN Fighting World Grand Prix 2017 Dec 31 2017 Details unavailable Loss41-30-2 Opponent TBD 2-0 Decision (Unanimous) 10:00 Total R2 RIZIN Fighting World Grand Prix 2016 Dec 29 2016 Details unavailable Win40-30-2 Opponent TBD 20-15 Punches 1:58 R2 RIZIN Fighting World Grand Prix 2015 Dec 29 2015 Details unavailable Loss40-29-2 Opponent TBD 4-1 Punches 4:15 R2 Pride Total Elimination Absolute May 5 2006 Details unavailable Win39-29-2 Opponent TBD 12-3 Punches 1:20 R1 Pride 31: Unbreakable Feb 26 2006 Details unavailable Loss39-28-2 Opponent TBD 9-3 Decision (Unanimous) 11:17 Total R3 Pancrase 154 Oct 2 2005 Details unavailable Win38-28-2 Opponent TBD 2-1 Armbar R1 Not recorded Rings Russia Aug 20 2005 Details unavailable Loss38-27-2 Opponent TBD 21-1 Doctor Stoppage 10:00 R1 Pride Bushido 6 Apr 3 2005 Details unavailable Win37-27-2 Opponent TBD 12-2-2 Decision (Unanimous) 15:00 Total R3 Pancrase 141 Nov 7 2004 Details unavailable Win36-27-2 Opponent TBD 9-2-1 Decision (Unanimous) 15:00 Total R3 NJPW: Ultimate Crush 2 Oct 13 2003 Details unavailable Win35-27-2 Opponent TBD 0-0 Injury 2:58 R1 NJPW: Ultimate Crush 1 May 2 2003 Details unavailable Loss35-26-2 Opponent TBD 3-1 Decision (Unanimous) 15:00 Total R3 Deep 6 Impact Sep 7 2002 Details unavailable Loss35-25-2 Opponent TBD 12-1 Punches 3:25 R2 UFC 37: High Impact May 10 2002 Details unavailable Loss35-24-2 Opponent TBD 11-0 Decision (Majority) 15:00 Total R3 Rings Japan Dec 21 2001 Details unavailable Win34-24-2 Opponent TBD 1-1 Knee 2:17 R1 Rings Japan Aug 11 2001 Details unavailable Loss34-23-2 Opponent TBD 18-2 Decision (Majority) 10:00 Total R2 Rings Japan Jun 15 2001 Details unavailable Loss28-21-2 Opponent TBD Record TBD Not recordedGrappling Not recorded Not recorded 2001 ADCC Championships Apr 11 2001 Details unavailable Loss34-22-2 Opponent TBD 7-2 Decision (Unanimous) 10:00 Total R2 Rings Japan Feb 24 2001 Details unavailable Win33-22-2 Opponent TBD 4-0 Cut 0:17 R1 Rings Japan Dec 22 2000 Details unavailable Win32-22-2 Opponent TBD 30-15 Punches 1:53 R2 Rings Japan Dec 22 2000 Details unavailable Cancelled28-21-2 Opponent TBD Record TBD Cancelled Bout Not recorded Not recorded Rings USA: Rising Stars 3 Sep 30 2000 Details unavailable Draw32-22-1 Opponent TBD 6-1 Draw · Decision 15:00 Total R2 Rings Japan Aug 23 2000 Details unavailable Win31-22-1 Opponent TBD 2-3 Toe Hold 2:53 R1 Rings USA: Rising Stars 1 Jul 15 2000 Details unavailable Win30-22-1 Opponent TBD 74-25-6 Decision (Unanimous) 15:00 Total R3 Rings USA: Rising Stars 1 Jul 15 2000 Details unavailable Loss30-21-1 Opponent TBD 19-3 Cut 1:17 R1 Rings Japan Dec 22 1999 Details unavailable Win29-21-1 Opponent TBD 14-17 Decision (Split) 15:00 Total R3 Rings Japan Dec 22 1999 Details unavailable Loss29-20-1 Opponent TBD 8-0 Punches 1:12 R3 UFC 23: Ultimate Japan 2 Nov 19 1999 Details unavailable Win28-20-1 Opponent TBD 16-2 Decision (Technical) 8:17 Total R1 Rings Japan Aug 19 1999 Details unavailable Win27-20-1 Opponent TBD 4-0 Corner Stoppage 5:00 R2 UFC 21: Return of the Champions Jul 16 1999 Details unavailable Loss27-19-1 Opponent TBD 35-23 Palm Strikes 15:41 R1 Rings Japan May 22 1999 Details unavailable Loss27-18-1 Opponent TBD 14-2 Cut 14:58 R1 Rings Japan Apr 23 1999 Details unavailable Win26-18-1 Opponent TBD 25-8-1 Armbar 9:42 R1 Rings Japan Jan 23 1999 Details unavailable Loss26-17-1 Opponent TBD 25-4-1 Punches 14:15 R1 UFC 18 Jan 8 1999 Details unavailable Loss26-16-1 Opponent TBD 10-12 Decision (None) 20:00 Total R1 Rings Japan Nov 20 1998 Details unavailable Win25-16-1 Opponent TBD 8-1 Decision (Unanimous) 15:00 Total R1 UFC 17.5: Ultimate Brazil Oct 16 1998 Details unavailable Win24-16-1 Opponent TBD 21-10 Choke 12:00 R1 Rings Japan Sep 21 1998 Details unavailable Loss24-15-1 Opponent TBD 18-13 Knee 7:43 R1 Rings Japan Jul 20 1998 Details unavailable Draw24-15 Opponent TBD 20-7 Draw · Decision 30:00 Total R1 Rings Japan Jun 27 1998 Details unavailable Win23-15 Opponent TBD 36-13 Submission 10:10 R1 Rings Japan May 29 1998 Details unavailable Cancelled28-21-2 Opponent TBD Record TBD Cancelled Bout Not recorded Not recorded UFC 17: Redemption May 15 1998 Details unavailable Cancelled28-21-2 Opponent TBD Record TBD Cancelled Bout Not recorded Not recorded UFC 17: Redemption May 15 1998 Details unavailable Win22-15 Opponent TBD 6-4 Achilles Lock 7:49 R1 Rings Japan Apr 16 1998 Details unavailable Win21-15 Opponent TBD 9-9 Kneebar 10:20 R1 Rings Japan Mar 28 1998 Details unavailable Win20-15 Opponent TBD 7-2-1 Decision (Unanimous) 15:00 Total R1 UFC 16: Battle in the Bayou Mar 13 1998 Details unavailable Loss28-21-2 Opponent TBD Record TBD Decision (None)Grappling '1 Total R1 The Contenders 1997 Oct 11 1997 Details unavailable Loss18-13 Opponent TBD 11-7-1 Decision (None) 30:00 Total R1 Rings Japan Sep 26 1997 Details unavailable Loss18-12 Opponent TBD 31-5 Front Choke 9:14 R1 Rings Japan Aug 13 1997 Details unavailable Win17-12 Opponent TBD 6-5 Submission 9:26 R1 Rings Japan Jul 22 1997 Details unavailable Cancelled28-21-2 Opponent TBD Record TBD Cancelled Bout Not recorded Not recorded Rings Japan May 23 1997 Details unavailable Loss17-11 Opponent TBD 9-3 Toe Hold 13:57 R1 Rings Japan Apr 22 1997 Details unavailable Win16-11 Opponent TBD 25-19 Decision (None) 30:00 Total R1 Rings Japan Apr 4 1997 Details unavailable Win15-11 Opponent TBD 17-9 Submission 8:11 R1 Rings Japan Mar 28 1997 Details unavailable Win14-11 Opponent TBD 15-8 Submission 10:04 R1 Rings Japan Jan 22 1997 Details unavailable Loss14-10 Opponent TBD 15-10 KO/TKO 9:24 R1 Rings Japan Dec 19 1996 Details unavailable Loss14-9 Opponent TBD 27-9 Submission 10:27 R1 Rings Japan Nov 22 1996 Details unavailable Win13-9 Opponent TBD 17-13 Choke 5:35 R1 Rings Japan Oct 25 1996 Details unavailable Loss13-8 Opponent TBD 23-16-1 KO/TKO 11:05 R1 Rings Japan Sep 25 1996 Details unavailable Loss13-7 Opponent TBD 24-9 Armbar 13:52 R1 Rings Japan Aug 24 1996 Details unavailable Loss13-6 Opponent TBD 23-9 Cut 11:23 R1 Rings Japan Jul 16 1996 Details unavailable Win12-6 Opponent TBD 0-1 Calf Slicer 5:10 R1 Rings Japan Jun 29 1996 Details unavailable Loss12-5 Opponent TBD 20-14 Heel Hook 13:04 R1 Rings Japan Apr 26 1996 Details unavailable Win11-5 Opponent TBD 14-7 Leg Lock 9:03 R1 Rings Japan Mar 25 1996 Details unavailable Win9-5 Opponent TBD 1-5 Submission 2:28 R1 Rings Japan Jan 24 1996 Details unavailable Loss9-4 Opponent TBD 4-4 Submission 9:33 R1 Rings Japan Dec 19 1995 Details unavailable Win8-4 Opponent TBD 0-0 Submission 5:40 R1 Rings Japan Nov 16 1995 Details unavailable Win4-4 Opponent TBD 1-1 Submission 6:42 R1 Rings Japan Sep 22 1995 Details unavailable Loss4-3 Opponent TBD 1-4 Submission 11:35 R1 Rings Japan Aug 27 1995 Details unavailable Loss4-2 Opponent TBD 12-19-1 KO/TKO 11:00 R1 Rings Japan Jul 18 1995 Details unavailable Loss4-1 Opponent TBD 1-3 Submission 11:30 R1 Rings Japan Jun 17 1995 Details unavailable Loss4-0 Opponent TBD 1-2 Submission 8:30 R1 Rings Japan May 20 1995 Details unavailable Win3-0 Opponent TBD 3-2 Armlock 9:39 R1 Rings Japan Apr 28 1995 Details unavailable Win2-0 Opponent TBD 3-0 Guillotine Choke 21:56 R1 Rings Japan Jan 25 1995 Details unavailable Win1-0 Opponent TBD 0-0 Submission 8:17 R1 Rings Japan Dec 24 1994 Details unavailable Win0-0 Opponent TBD 1-3 KO/TKO 1:30 R5 Rings Japan Aug 20 1994 Details unavailable More fights Fighters who beat Tsuyoshi Kosaka Opponent TBD Compare Tsuyoshi Kosaka with peers vs Paul Elliott vs Justin Tafa vs Mukhamad Vakhaev vs Louie Sutherland Embed Tsuyoshi Kosaka's Elo card on your site Copy this snippet — the card stays 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RFF"TK"
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