Ultimate Fighting Calendar
BellatorBellator 287: Piccolotti vs. Barnaoui
Middleweight3 rounds scheduled
WIN
Costello van Steenis
Costello van Steenis
“The Spaniard”
18-3-0
RESULT

Costello van Steenis def. Kamil Oniszczuk (Submission)

Submission · Round 2 · 3:02
Kamil Oniszczuk
PolandKamil Oniszczuk
“Lionheart”
13-5-0
Saturday, October 29, 2022
Allianz Cloud Arena, Milan, Italy

Costello van Steenis defeated Kamil Oniszczuk by Submission in round 2 (3:02) in the Middleweight bout of Bellator 287: Piccolotti vs. Barnaoui, held Saturday, October 29, 2022 at Allianz Cloud Arena, Milan.

Frequently asked questions

Who won Costello van Steenis vs Kamil Oniszczuk?

Costello van Steenis defeated Kamil Oniszczuk by Submission in round 2 (3:02) in the Middleweight bout of Bellator 287: Piccolotti vs. Barnaoui, held Saturday, October 29, 2022 at Allianz Cloud Arena, Milan.

Time format
3 Rnd (5-5-5)
Pre-fight comparison▾

Win probability

Costello van Steenis 58%42% Kamil Oniszczuk

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

18-3-0
Record
13-5-0
1675
Power Index rating
1618
3
Win Streak
3
34
Age
30
6'1"
185 cm
Height
6'3"
191 cm
76"
193 cm
Reach
75"
191 cm
--
Stance
--
Middleweight
Weight Class
Middleweight
Netherlands / Spain
Nationality
Poland

Style Matchup

-
vs
-
Costello van Steenis

No background on record

Camp Kops Gym · Spain

Kamil Oniszczuk

No background on record

Camp Ankos MMA · Poland

Striking Profile

4.52
SLpM
3.06
90%
Str. Acc.
-
2.70
SApM
3.40
36%
Str. Def.
-

Grappling Profile

0.00
TD Avg.
0.67
-
TD Acc.
150%
0%
TD Def.
-
2.40
Sub. Avg.
0.00

Recent form (last 5 fights)

Costello van Steenis · 4-1
  • W
    Fabian Edwards
    PFL Madrid: Van Steenis vs. Edwards 2 · Mar 20, 2026
    Knockout · R3 · 3:12 · Middleweight
  • W
    Joao Dantas
    Professional Fighters League - 2024 Season PFL Championships & PFL MENA 2024 Finals · Nov 28, 2024
    Knockout · R1 · 0:48 · Middleweight
  • W
    Gregory Babene
    Bellator Champions Series Paris: Mix vs. Magomedov 2 · May 17, 2024
    Submission · R2 · 2:16 · Middleweight
  • L
    Douglas Lima
    Bellator 296: Mousasi vs. Edwards · May 12, 2023
    Unanimous Decision · R3 · 5:00
  • W
    Kamil Oniszczuk
    Bellator 287: Piccolotti vs. Barnaoui · Oct 29, 2022
    Submission · R2 · 3:02 · Middleweight
Kamil Oniszczuk · 3-2
  • W
    Mick Stanton
    OKTAGON 91: ENGIZEK VS. JOTKO 2 · Jul 11, 2026
    Decision · R3 · 5:00 · 88 kg Catchweight
  • W
    Marek Bartl
    OKTAGON 82: ENGIZEK VS. JOTKO · Jan 17, 2026
    Submission · R2 · 4:32 · Middleweight
  • W
    David Zawada
    OKTAGON 74: BOLANDER VS. SZABOVÁ · Aug 9, 2025
    Decision · R3 · 5:00 · Middleweight
  • L
    Kerim Engizek
    OKTAGON 66: ENGIZEK vs. ONISZCZUK · Feb 1, 2025
    Decision · R3 · 5:00 · Middleweight
  • L
    Andi Vrtacic
    FNC 20 · Nov 23, 2024
    TKO · R3 · 02:30 · Middleweight

Career Averages

Based on 2 fights · 5 fights
28.5
Avg sig. strikes
41.0
0.00
Avg takedowns
0.60
1:14
Avg control time
3:19
48
Career high strikes
53
0
Career high TDs
2

Strike Distribution

Costello van Steenis
Strike target
Kamil Oniszczuk
35%
Head
72%
37%
Body
22%
28%
Leg
6%
Costello van Steenis
Strike position
Kamil Oniszczuk
33%
Distance
34%
37%
Clinch
37%
30%
Ground
28%