Heavyweight · Men

Katsuyoshi Sasaki

Japan K-STYLE debut 2014
Held by Paulo Ferreira
Form L L L L L
Elo 831 peak 1,190 · 16 Jul 2018 359 below it
Tapology Sherdog
6-12-1 (1)pro record
6L current streak
1,182best win, Elo
1,114average opponent
-- born 12 Dec 1983
69.0" / -- height / reach

Elo history

Hover for the fight at that point; dots are wins and losses; the band is the typical prime for men at heavyweight, ages 30–38

Record

-- – --
Rating by method KO854 Sub963 Dec923

Style profile

Each axis is a percentile of heavyweight fighters with five pro bouts (2,827 of them); further out is better. Hover a point for the number.
KO Submission Decision Finishes Durability Win rate Opposition Activity
From the record and the method ratings

Similar careers

Who looked like this after 20 pro bouts, and what happened next

After 20 bouts (2025): 831 Elo, 6-12, aged 42, average opponent 1,114.

  1. William Johnson then 750, 6-14 3-14 after peaked 993 ▲
  2. Bill Finn then 841, 6-14, aged 43 · Welterweight 0-3 after peaked 826 ▼
  3. Yoon Seob Kwak then 917, 7-13, aged 39 0-3 after peaked 891 ▼
  4. Assis Silva then 894, 7-12, aged 40 · Catchweight 1-6 after peaked 996 ▲
  5. Kevin Reed then 829, 6-14 · Welterweight 4-4 after peaked 1,217 ▲
  6. Jason Ehresmann then 835, 5-15 · Light Heavyweight 1-9 after peaked 850

Best wins

By the opponent's Elo on the night
  1. Tatsuya Yamada KO/TKO R1 · 4 Mar 2018 · DEEP 1,182
  2. Tsunayoshi Shomura KO/TKO R2 · 30 Nov 2014 · GRACHAN 1,083
  3. Ken Kasamatsu Submission R1 · 27 Apr 2014 · GRACHAN 1,064
  4. Takuya Hasegawa Submission R2 · 10 Oct 2016 · GRACHAN 1,034
  5. Hiroki Kotani KO/TKO R1 · 16 Jul 2018 · GRACHAN 1,024

Losses

The latest 5 of 12
  1. Paulo Ferreira Submission R1 · 20 Dec 2025 · GRACHAN 1,129
  2. Paulo Ferreira Submission R1 · 20 Dec 2025 · GRACHAN 1,133
  3. Sotaro Furuya Decision R2 · 30 May 2025 · GRACHAN 970
  4. Masashi Inada Submission R1 · 17 Nov 2024 · RIZIN Fighting Federation 1,261
  5. Kozo Urita KO/TKO R2 · 3 Sep 2022 · GRACHAN 1,140

Rivalries

Opponents met more than once; the series from this side All rivalries →
  1. Hidetora 2 meetings · 2014, 2017 0–1

Fight history

20 bouts, newest first. Hover a heading for what it means.
# Date Result Opponent Weight class Method Round Score Elo ± Opp Elo Odds Event
20 20 Dec 202542.0 yrs L6-12-1 (1) Paulo Ferreira 1-0 · 43.7 yrs Heavyweight SubRear-Naked Choke R11:45 0.00 862→831 -31 1,129 – Grachan Presents: Helios 2 GRACHAN
19 20 Dec 202542.0 yrs L6-11-1 (1) Paulo Ferreira debut Heavyweight SubRear Naked Choke R11:45 0.00 897→862 -36 1,133 – Grachan 79 × HELIOS II GRACHAN
18 30 May 202541.5 yrs L6-10-1 (1) Sotaro Furuya 1-1 Middleweight DecisionUnanimous R210:00 0.05 978→897 -81 970 – Grachan 74 GRACHAN
17 17 Nov 202440.9 yrs L6-9-1 (1) Masashi Inada 3-2 · 35.4 yrs Heavyweight SubArmbar R11:38 0.00 1,012→978 -34 1,261 – Rizin FF - Landmark Vol. 10 RIZIN Fighting Federation
16 3 Sep 202238.7 yrs L6-8-1 (1) Kozo Urita 14-14-2 (1) · 47.8 yrs Super Heavyweight KO/TKODoctor Stoppage R210:00 0.00 1,086→1,012 -74 1,140 – Grachan 57 GRACHAN
15 14 May 202238.4 yrs L6-7-1 (1) Radek Hecl 2-1 · 37.1 yrs Super Heavyweight KO/TKOReferee Stoppage R13:52 0.00 1,163→1,086 -77 1,207 – Grachan 54 GRACHAN
14 16 Jul 201834.6 yrs W6-6-1 (1) Hiroki Kotani 3-12-4 · 47.0 yrs Welterweight KO/TKOReferee Stoppage R13:08 1.00 1,127→1,190 +62 1,024 – Grachan 35.5 GRACHAN
13 4 Mar 201834.2 yrs W5-6-1 (1) Tatsuya Yamada debut Middleweight KO/TKOKO/TKO R12:44 1.00 997→1,127 +130 1,182 – Deep - Saitama Impact in Koedo Kawagoe 2018 DEEP
12 15 Oct 201733.8 yrs NC4-6-1 (1) Hidetora 8-10-1 · 38.2 yrs Welterweight -- R10:30 0.00 997→997 +0 975 – Grachan 31 GRACHAN
11 14 May 201733.4 yrs L4-6-1 Mashimashi Suzuki 2-2 · 34.9 yrs Welterweight DecisionUnanimous R210:00 0.05 1,082→997 -85 1,058 – Grachan / One More Chance - Grachan 29 / 1MC Vol. 3 GRACHAN
10 10 Oct 201632.8 yrs W4-5-1 Takuya Hasegawa 0-1 · 34.9 yrs Welterweight SubRear Naked Choke R26:26 1.00 981→1,082 +101 1,034 – Grachan / Blue Dog Gym - Grachan 25 / BFC Vol.2 GRACHAN
9 7 Aug 201632.7 yrs L3-5-1 Daryl Lokoku 4-5-1 · 23.3 yrs Welterweight KO/TKOKO/TKO R12:48 0.00 1,008→981 -27 1,306 – Grachan / One More Chance - Grachan 24 / 1MC Vol. 2 GRACHAN
8 22 May 201632.4 yrs L3-4-1 Joshua Robison 3-5-1 · 37.5 yrs Middleweight KO/TKOKO/TKO R10:19 0.00 1,110→1,008 -102 1,051 – Grachan / One More Chance - Grachan 23 / 1MC Vol. 1 GRACHAN
7 29 Nov 201532.0 yrs D3-3-1 Atsushi Yamada 4-3 · 35.5 yrs Light Heavyweight DecisionSplit R210:00 0.50 1,071→1,110 +40 1,242 – Grachan 20 GRACHAN
6 1 Aug 201531.6 yrs W3-3 Yosuke Notsu 4-5 Middleweight SubKimura R13:04 1.00 1,009→1,071 +62 904 – Grachan 18 GRACHAN
5 12 Apr 201531.3 yrs L2-3 Takahiro Kawanaka 5-5 · 24.5 yrs Middleweight KO/TKOReferee Stoppage (Ground & Pound) R12:52 0.00 1,115→1,009 -106 1,039 – Brave Fight 9 Brave Fight
4 31 Dec 201431.1 yrs L2-2 Shuji Morikawa 11-8-2 · 36.6 yrs Heavyweighttitle DecisionUnanimous R15:00 0.03 1,173→1,115 -59 1,270 – IGF - Inoki Bom-Ba-Ye 2014 Inoki Genome Federation
3 30 Nov 201431.0 yrs W2-1 Tsunayoshi Shomura 3-2 · 32.6 yrs Welterweight KO/TKOKO/TKO R27:47 1.00 1,087→1,173 +86 1,083 – Grachan 15 GRACHAN
2 20 Jul 201430.6 yrs L1-1 Hidetora 5-4-1 · 35.0 yrs Welterweight DecisionUnanimous R210:00 0.05 1,152→1,087 -65 1,208 – Grachan 14: Mach Matsuri GRACHAN
1 27 Apr 201430.4 yrs W1-0 Ken Kasamatsu debut Welterweight SubArmbar R12:48 1.00 1,064→1,152 +88 1,064 – GRACHAN Challenge 4 GRACHAN