Ultimate Fighting Calendar
Light Heavyweight3 rounds scheduled
WIN
Jiri Prochazka
BJP
32-6-1
RESULT

Jiri Prochazka def. Jake Heun (TKO)

TKO · Round 1 · 4:29
Jake Heun
The Honey Bear
15-10-0
Sunday, September 30, 2018
Saitama Super Arena, Saitama, Japan

Jiri Prochazka defeated Jake Heun by TKO in round 1 (4:29) in the Light Heavyweight main event of Rizin FF - Rizin 13, held Sunday, September 30, 2018 at Saitama Super Arena, Saitama.

Frequently asked questions

Who won Jiri Prochazka vs Jake Heun?

Jiri Prochazka defeated Jake Heun by TKO in round 1 (4:29) in the Light Heavyweight main event of Rizin FF - Rizin 13, held Sunday, September 30, 2018 at Saitama Super Arena, Saitama.

Referee
Ryogaku Wada
Pre-fight comparison

Win probability

Jiri Prochazka 78%22% Jake Heun

What the model gave each fighter going into the fight, from their pre-fight UFCalendar Power Index ratings. See the full Power Index

Tale of the Tape

32-6-1
Record
15-10-0
1797
Power Index rating
1577
0
Win Streak
3
33
Age
39
6'3"
191 cm
Height
6'2"
188 cm
80"
203 cm
Reach
76"
193 cm
Orthodox
Stance
-
Light Heavyweight
Weight Class
Light Heavyweight
Czechia
Nationality
United States

Striking Profile

5.61
SLpM
-
55%
Str. Acc.
-
5.67
SApM
-
45%
Str. Def.
-

Grappling Profile

0.49
TD Avg.
-
60%
TD Acc.
-
68%
TD Def.
-
0.20
Sub. Avg.
-

Recent form (last 5 fights)

Jiri Prochazka · 3-2
  • L
    UFC 327: Procházka vs Ulberg · Apr 11, 2026
    TKO · R1 · 3:45 · Light Heavyweight
  • W
    UFC 320: Ankalaev vs Pereira 2 · Oct 4, 2025
    TKO · R3 · 3:04 · Light Heavyweight
  • W
    UFC 311: Makhachev vs Moicano · Jan 18, 2025
    TKO · R3 · 3:01 · Light Heavyweight
  • L
    UFC 303: Pereira vs Procházka 2 · Jun 29, 2024
    TKO · R2 · 0:13 · Light Heavyweight
  • W
    UFC 300: Pereira vs Hill · Apr 13, 2024
    TKO · R2 · 3:17 · Light Heavyweight
Jake Heun · 4-1
  • W
    Gamebred Bareknuckle MMA · May 1, 2026
    TKO · R1 · 1:19
  • L
    BetCity Fight Nights 130 · Nov 14, 2025
    TKO · R1 · 1:07 · Heavyweight
  • W
    Rizin FF - Rizin 20 · Dec 31, 2019
    Knockout · R1 · 1:24 · Heavyweight
  • W
    Rizin FF - Rizin 17 · Jul 28, 2019
    TKO · R3 · 2:19 · Light Heavyweight
  • W
    Rizin FF - Rizin 16 · Jun 2, 2019
    Split Decision · R3 · 5:00 · Heavyweight

Career Averages

Based on 9 fights · 1 fight
57.6
Avg sig. strikes
-
0.33
Avg takedowns
0.00
1:15
Avg control time
-
120
Career high strikes
-
1
Career high TDs
0

Strike Distribution

Jiri Prochazka
Strike target
Jake Heun
77%
Head
-
16%
Body
-
8%
Leg
-
Jiri Prochazka
Strike position
Jake Heun
78%
Distance
-
8%
Clinch
-
15%
Ground
-