Bantamweight3 rounds scheduled
RESULT
Mariusz Joniak def. Karol Durszlewicz (Unanimous Decision)
Unanimous Decision · Round 3 · 5:00

4-1-0
Saturday, February 21, 2026
RCS Lubin, Lubin, Poland
Mariusz Joniak defeated Karol Durszlewicz by Unanimous Decision in round 3 (5:00) in the Bantamweight bout of KSW 115 - Przybysz vs. Yakymenko, held Saturday, February 21, 2026 at RCS Lubin, Lubin.
Betting Odds
Mariusz Joniak
-117
54% implied win probability
Open: -245Best: -110
Karol Durszlewicz
-112
53% implied win probability
Open: +176Best: -102
Average moneyline across 6 sportsbooks.
| Sportsbook | Mariusz Joniak | Karol Durszlewicz |
|---|---|---|
| BetOnline | -110 | -110 |
| BetUS | -110 | -130 |
| Betway | -120 | -110 |
| Bovada | -115 | -115 |
| Cloudbet | -120 | -102 |
| Stake | -127 | -109 |
Odds are for information only. · Odds data: fightodds.io
Frequently asked questions
Who won Mariusz Joniak vs Karol Durszlewicz?
Mariusz Joniak defeated Karol Durszlewicz by Unanimous Decision in round 3 (5:00) in the Bantamweight bout of KSW 115 - Przybysz vs. Yakymenko, held Saturday, February 21, 2026 at RCS Lubin, Lubin.
Referee
Paulina Bonkowska
Pre-fight comparison▾
Win probability
Mariusz Joniak 45%55% Karol Durszlewicz
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
13-6-0
Record
4-1-0
1620
Power Index rating
1656
1
Win Streak
0
29
Age
-
5'6"
168 cm
Height
5'6"
168 cm
67"
170 cm
Reach
-
-
Stance
-
Bantamweight
Weight Class
Bantamweight
Poland
Nationality
Poland
Striking Profile
-
SLpM
-
-
Str. Acc.
-
-
SApM
-
-
Str. Def.
-
Grappling Profile
-
TD Avg.
-
-
TD Acc.
-
-
TD Def.
-
-
Sub. Avg.
-
Recent form (last 5 fights)
Mariusz Joniak · 3-2
Karol Durszlewicz · 4-1
