Ultimate Fighting Calendar
OKTAGONOKTAGON 40: KOZMA VS. SIWIEC
Welterweight3 rounds scheduled
WIN
David Kozma
CzechiaDavid Kozma
“RŮŽOVÝ PANTER”
33-15-0
RESULT

David Kozma def. Łukasz Siwiec (DEC)

Decision · Round 3 · 5:00
Łukasz Siwiec
PolandŁukasz Siwiec
“Brutal”
9-5-0
Saturday, March 4, 2023
OSTRAVAR ARÉNA, Ostrava, Czechia

David Kozma defeated Łukasz Siwiec by Decision in round 3 (5:00) in the Welterweight main event of OKTAGON 40: KOZMA VS. SIWIEC, held Saturday, March 4, 2023 at OSTRAVAR ARÉNA, Ostrava.

Fight stats

David Kozma
Łukasz Siwiec
-
Knockdowns
-
34
Significant strikes
29
-
Sig. strike accuracy
-
42
Total strikes
63
0 of 0
Takedowns
0 of 0
-
Takedown accuracy
-
0
Submission attempts
0
-
Reversals
-
-
Control time
-
Significant strikes by target
27
Head
13
5
Body
8
-
Leg
-
-
Distance
-
-
Clinch
-
-
Ground
-

By round

ROUND 1
-
KD
-
7
Sig. str.
10
10
Total str.
28
7
Head
4
0
Body
1
-
Distance
-
-
Clinch
-
-
Takedowns
-
-
Sub. att
-
-
Ctrl
-
ROUND 2
-
KD
-
11
Sig. str.
14
13
Total str.
27
7
Head
8
2
Body
6
-
Distance
-
-
Clinch
-
-
Takedowns
-
-
Sub. att
-
-
Ctrl
-
ROUND 3
-
KD
-
16
Sig. str.
5
19
Total str.
8
13
Head
1
3
Body
1
-
Distance
-
-
Clinch
-
-
Takedowns
-
-
Sub. att
-
-
Ctrl
-

Frequently asked questions

Who won David Kozma vs Łukasz Siwiec?

David Kozma defeated Łukasz Siwiec by Decision in round 3 (5:00) in the Welterweight main event of OKTAGON 40: KOZMA VS. SIWIEC, held Saturday, March 4, 2023 at OSTRAVAR ARÉNA, Ostrava.

Pre-fight comparison▾

Win probability

David Kozma 52%48% Łukasz Siwiec

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

Fight DNA

Head to head

UFCalendar's style model · Welterweight roster (258 fighters)

David Kozma
Striking Technician
7 edges
Łukasz Siwiec
Knockout Artist
3 edges
PowerSpeedPrecisionDurabilityEngineWrestlingGround

Radar scaled to this matchup · bars show the gap

Style shape

93Power91
96Speed87
96Precision89
83Durability84
82Engine82
94Wrestling93
74Ground74

Biggest edge David Kozma, Kick speed +16

Attribute by attribute

David Kozma is on the left of every row, Łukasz Siwiec on the right.
94Punch power96
92Kick power86
98Punch speed96
93Kick speed77
96Accuracy89
94Takedowns93
93Ground striking86
55Submissions62
73Chin80
92Body strength87
82Cardio82

Attributes are rated 0-100 by UFCalendar's style model.

Tale of the Tape

33-15-0
Record
9-5-0
1703
Power Index rating
1687
2
Win Streak
0
34
Age
34
6'0"
183 cm
Height
5'10"
178 cm
-
Reach
71"
180 cm
-
Stance
-
Welterweight
Weight Class
Welterweight
Czechia
Nationality
Poland

Striking Profile

3.83
SLpM
1.91
-
Str. Acc.
-
2.14
SApM
3.03
-
Str. Def.
-

Grappling Profile

-
TD Avg.
-
-
TD Acc.
-
-
TD Def.
-
0.00
Sub. Avg.
0.00

Recent form (last 5 fights)

David Kozma · 2-3
  • W
    David Zawada
    OKTAGON 92: SZABOVÁ VS. PUDILOVÁ · Aug 1, 2026
    Decision · R3 · 5:00 · Welterweight
  • W
    Jozef Wittner
    OKTAGON 84: PARADEISER vs. BRITO · Feb 14, 2026
    Decision · R3 · 5:00 · Welterweight
  • L
    Robert Pukač
    OKTAGON 67: CREASEY VS. ADAMIA · Feb 22, 2025
    TKO · R1 · 2:15 · Welterweight
  • L
    Ion Surdu
    OKTAGON 58: Vémola vs. Végh 2 · Jun 8, 2024
    Knockout · R1 · 2:33 · Welterweight
  • L
    Bojan Velickovic
    OKTAGON 46: Dalisda vs. Austin · Sep 16, 2023
    TKO · R1 · 3:45 · Welterweight
Łukasz Siwiec · 1-4
  • L
    Hojat Khajevand
    OKTAGON 70: KRIŠTOFIČ VS. HUMBURGER · Apr 26, 2025
    TKO · R1 · 3:25 · Middleweight
  • L
    Louis Glismann
    OKTAGON 57: ECKERLIN VS. BROŽ · May 4, 2024
    Decision · R3 · 5:00 · Welterweight
  • L
    Amiran Gogoladze
    OKTAGON 47: Vémola vs. Langer · Oct 7, 2023
    Decision · R3 · 5:00 · Welterweight
  • W
    John Hathaway
    OKTAGON 44: Langer vs. Poppeck · Jun 17, 2023
    Decision · R3 · 5:00 · Welterweight
  • L
    David Kozma
    OKTAGON 40: KOZMA VS. SIWIEC · Mar 4, 2023
    Decision · R3 · 5:00 · Welterweight

Career Averages

Based on 17 fights · 5 fights
51.7
Avg sig. strikes
24.2
142
Career high strikes
41

Strike Distribution

David Kozma
Strike target
Łukasz Siwiec
87%
Head
83%
13%
Body
17%