Next Bout

KSW 122

10.10.26, Rzeszów, Poland.

Sergiusz Zając

Bouts11
Wins9
Losses2
Draws0

Bartosz Szewczyk

Bouts15
Wins9
Losses5
Draws1

Statistics

Wins

KO/TKO

6 (67%)
Dec

2 (22%)
Sub

1 (11%)

Loss

KO/TKO

2 (40%)
Dec

2 (40%)
Sub

1 (20%)

9:1837

Avg fight time

44

First round finishes

Promotion Stats

Promotion	Bouts
DWCS	1
FEN	10
KSW	3
UAEW	1

PRO Results

VS Sergiusz Zając
10.10.2026 • KSW 122: Bartosiński vs. Masaev

Method
confirmed upcoming bout
9 - 5 - 1

(W-L-D)

9 - 2 -

(W-L-D)
- Event
  
  KSW 122: Bartosiński vs. Masaev
- Finishing move
  
  confirmed upcoming bout
- BILLING
  
  Main Card
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
Win! Loss! Draw Not Confirmed VS Bartosz Leśko
14.03.2026 • KSW 116: Bartosiński vs. Fleminas

Round
3

Time
15.00

Method
decision
9 - 4 - 1

(W-L-D)

15 - 6 - 2

(W-L-D)
- Event
  
  KSW 116: Bartosiński vs. Fleminas
- Finishing move
  
  unanimous
- BILLING
  
  Main Card
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
- Weight
  
  206.0 lbs (93.4 kgs)
- ODDS
  
  +155 Slight Underdog
Win! Loss! Draw Not Confirmed VS Dawid Kasperski
09.08.2025 • KSW 109: Kuberski vs. Paczuski

Round
3

Time
15.00

Method
decision
8 - 4 - 1

(W-L-D)

2 - 0 -

(W-L-D)
- Event
  
  KSW 109: Kuberski vs. Paczuski
- Finishing move
  
  split
- BILLING
  
  Main Card
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
- Weight
  
  205.0 lbs (93.0 kgs)
- ODDS
  
  -245 Moderate Favorite
Win! Loss! Draw Not Confirmed VS Damian Piwowarczyk
21.02.2025 • KSW 103: Brichta vs. Charzewski

Round
1

Time
3.10

Method
ko/tko
8 - 3 - 1

(W-L-D)

8 - 4 -

(W-L-D)
- Event
  
  KSW 103: Brichta vs. Charzewski
- Finishing move
  
  punches
- BILLING
  
  Co-Main Event
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
- Weight
  
  206.0 lbs (93.4 kgs)
- ODDS
  
  +130 Slight Underdog
Win! Loss! Draw Not Confirmed VS Diyar Nurgozhay
01.10.2024 • Contender Series 2024

Round
2

Time
8.32

Method
ko/tko
8 - 2 - 1

(W-L-D)

9 - 0 -

(W-L-D)
- Event
  
  Contender Series 2024
- Finishing move
  
  head kick & ground punches
- BILLING
  
  Main Event
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
- Weight
  
  206.0 lbs (93.4 kgs)
- ODDS
  
  +105 Near Even
Win! Loss! Draw Not Confirmed VS Marcin Łazarz
17.02.2024 • FEN 52: Łazarz vs. Szewczyk 2

Round
3

Time
14.59

Method
ko/tko
7 - 2 - 1

(W-L-D)

15 - 9 -

(W-L-D)
- Event
  
  FEN 52: Łazarz vs. Szewczyk 2
- Champ Bout
  
  Challenger — FEN Light Heavyweight Championship
- Finishing move
  
  body kick
- BILLING
  
  Main Event
- Bout format
  
  5 x 5
- Division
  
  205 lbs (93.0 kg)
- Weight
  
  204.1 lbs (92.6 kgs)
- ODDS
  
  -120 Near Even
Win! Loss! Draw Not Confirmed VS Artem Zemlyakov
17.10.2023 • UAE Warriors 45

Round
2

Time
8.17

Method
ko/tko
6 - 2 - 1

(W-L-D)

4 - 0 - 1

(W-L-D)
- Event
  
  UAE Warriors 45
- Finishing move
  
  punches
- BILLING
  
  Main Card
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
Win! Loss! Draw Not Confirmed VS Ederson Cristian Macedo
25.08.2023 • FEN 49: Fight Night Mrągowo

Round
1

Time
4.07

Method
ko/tko
5 - 2 - 1

(W-L-D)

11 - 7 -

(W-L-D)
- Event
  
  FEN 49: Fight Night Mrągowo
- Finishing move
  
  punch
- BILLING
  
  Co-Main Event
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
- Weight
  
  205.7 lbs (93.3 kgs)
- ODDS
  
  -275 Moderate Favorite
VS Łukasz Klinger
25.08.2023 • Status: cancelled
- Finishing move
  
  cancelled bout
- Division
  
  205 lbs (93.0 kg)
Win! Loss! Draw Not Confirmed VS Łukasz Klinger
27.05.2023 • FEN 46: Kuberski vs. Wojciechowski

Round
3

Time
15.00

Method
draw
5 - 2 -

(W-L-D)

11 - 6 -

(W-L-D)
- Event
  
  FEN 46: Kuberski vs. Wojciechowski
- Finishing move
  
  draw
- BILLING
  
  Main Card
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
- Weight
  
  204.1 lbs (92.6 kgs)
- ODDS
  
  -400 Heavy Favorite
Win! Loss! Draw Not Confirmed VS Marcin Łazarz
28.01.2023 • FEN 44: Orlen Paliwa Fight Night

Round
3

Time
15.00

Method
decision
5 - 1 -

(W-L-D)

13 - 9 -

(W-L-D)
- Event
  
  FEN 44: Orlen Paliwa Fight Night
- Finishing move
  
  split
- BILLING
  
  Main Card
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
- Weight
  
  203.3 lbs (92.2 kgs)
- ODDS
  
  -225 Moderate Favorite
Win! Loss! Draw Not Confirmed VS Dmitriy Mikutsa
27.08.2022 • FEN 41: TAURON Fight Night Mrągowo

Round
3

Time
15.00

Method
decision
4 - 1 -

(W-L-D)

11 - 8 -

(W-L-D)
- Event
  
  FEN 41: TAURON Fight Night Mrągowo
- Finishing move
  
  split
- BILLING
  
  Main Event
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
- Weight
  
  205.3 lbs (93.1 kgs)
- ODDS
  
  -275 Moderate Favorite
Win! Loss! Draw Not Confirmed VS Ezequiel Silvino
12.03.2022 • FEN 39: LOTOS Fight Night 8

Round
1

Time
4.00

Method
ko/tko
3 - 1 -

(W-L-D)

6 - 1 -

(W-L-D)
- Event
  
  FEN 39: LOTOS Fight Night 8
- Finishing move
  
  punches
- BILLING
  
  Main Card
- Bout format
  
  3 x 5
- Division
  
  212 lbs (96.0 kg)
- Weight
  
  211.4 lbs (95.9 kgs)
- ODDS
  
  -699 Huge Favorite
VS Giorgi Kvelidze
12.03.2022 • Status: cancelled
- Finishing move
  
  cancelled bout
- Division
  
  205 lbs (93.0 kg)
Win! Loss! Draw Not Confirmed VS Szymon Bajor
27.11.2021 • FEN 37: ENERGA Fight Night Wrocław

Round
2

Time
7.57

Method
submission
3 - 0 -

(W-L-D)

22 - 9 -

(W-L-D)
- Event
  
  FEN 37: ENERGA Fight Night Wrocław
- Finishing move
  
  rear naked choke
- BILLING
  
  Main Card
- Bout format
  
  5 x 5
- Division
  
  265 lbs (120.2 kg)
- Weight
  
  237.7 lbs (107.8 kgs)
- ODDS
  
  +100 Near Even
Win! Loss! Draw Not Confirmed VS Michał Piwowarski
16.10.2021 • FEN 36: Fight Night Szczecin

Round
1

Time
2.25

Method
ko/tko
2 - 0 -

(W-L-D)

5 - 2 -

(W-L-D)
- Event
  
  FEN 36: Fight Night Szczecin
- Finishing move
  
  punches
- BILLING
  
  Main Card
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
- Weight
  
  205.0 lbs (93.0 kgs)
- ODDS
  
  -105 Near Even
Win! Loss! Draw Not Confirmed VS Kacper Miklasz
26.06.2021 • FEN 35: LOTOS Fight Night Ostróda

Round
1

Time
2.53

Method
ko/tko
1 - 0 -

(W-L-D)

1 - 2 -

(W-L-D)
- Event
  
  FEN 35: LOTOS Fight Night Ostróda
- Finishing move
  
  punches
- BILLING
  
  Main Card
- Bout format
  
  3 x 5
- Division
  
  220 lbs (100.0 kg)
- Weight
  
  218.9 lbs (99.3 kgs)
- ODDS
  
  -800 Huge Favorite
Win! Loss! Draw Not Confirmed VS Akhmed Salamov
20.02.2021 • FEN 32: LOTOS Fight Night 4

Round
2

Time
8.06

Method
submission
0 - 0 -

(W-L-D)

1 - 0 -

(W-L-D)
- Event
  
  FEN 32: LOTOS Fight Night 4
- Finishing move
  
  rear naked choke
- BILLING
  
  Preliminary Card
- Bout format
  
  3 x 5
- Division
  
  205 lbs (93.0 kg)
- Weight
  
  205.9 lbs (93.4 kgs)
- ODDS
  
  +120 Near Even