| Full name | Bert Koomen |
| Date of birth | 1997-01-03 (29 yrs) |
| Place of birth | Sassenhem, Netherlands |
| Citizenship | Netherlands |
| Position | Defender - Right-Back (main: Defender) |
| Foot | right |
| Height | 175.00 m |
| Current club | Retired |
| Joined | 2023-12-19 |
| Contract expires | - |
Dec 2023
Transfer: Rijnsburgse B. → Retired
23/24 · Transfer
Jul 2023
23/24 - Rijnsburgse Boys
9 matches · 0 G · 0 A · across 2 competitions
Jul 2022
22/23 - Rijnsburgse Boys
24 matches · 0 G · 1 A · across 1 competition
Jul 2021
21/22 - Rijnsburgse Boys
33 matches · 2 G · 1 A · across 2 competitions
Jul 2020
20/21 - Rijnsburgse Boys
5 matches · 0 G · 0 A · across 2 competitions
Jul 2019
19/20 - Rijnsburgse Boys
26 matches · 1 G · 2 A · across 2 competitions
Jul 2019
Transfer: FC Lisse → Rijnsburgse B.
19/20 · Transfer
Jul 2018
18/19 - FC Lisse
36 matches · 2 G · 0 A · across 2 competitions
Aug 2017
Transfer: Feyenoord U21 → FC Lisse
17/18 · Transfer
Jul 2017
17/18 - FC Lisse
24 matches · 1 G · 0 A · across 2 competitions
Jun 2017
Transfer: FC Den Bosch → Feyenoord U21
16/17 · Return from loan
Jan 2017
Transfer: Feyenoord U21 → FC Den Bosch
16/17 · Loan
Jul 2016
16/17 - Feyenoord U21, FC Den Bosch U21, FC Den Bosch
12 matches · 0 G · 0 A · across 3 competitions
Jul 2016
Transfer: Feyenoord U19 → Feyenoord U21
16/17 · Transfer
Jul 2015
15/16 - Feyenoord U21, Feyenoord U19, Feyenoord U18
13 matches · 1 G · 0 A · across 4 competitions
Jul 2015
Transfer: Feyenoord U18 → Feyenoord U19
15/16 · Transfer
Apr 2015
Injury: unknown
13 games missed
Jul 2014
14/15 - Feyenoord U18, Feyenoord/Excelsior U19
10 matches · 0 G · 0 A · across 4 competitions
Jul 2014
Transfer: Feyenoord U17 → Feyenoord U18
14/15 · Transfer
Jul 2013
Transfer: Feyenoord Youth → Feyenoord U17
13/14 · Transfer
Jul 2006
Transfer: Ter Leede Yth. → Feyenoord Youth
06/07 · Transfer
Jan 1970
Peak market value: €75k
Highest valuation recorded in dataset
Minutes played by club
Rijnsburgse Boys
51.7%
FC Lisse
46.0%
FC Den Bosch
0.0%
FC Den Bosch U21
0.0%
Feyenoord U21
0.0%
Feyenoord U19
0.0%
Feyenoord U18
2.3%
Feyenoord/Excelsior U19
0.0%
Career trajectory, goals, assists & market value
Goals by season
Assists by season
| Season | Competition | Club | Matches | Goals | Assists | YC | RC | Minutes |
| 23/24 |
Betnation Div. |
Rijnsburgse Boys |
8 |
0 |
0 |
0 |
0 |
0 |
| 23/24 |
KNVB Beker |
Rijnsburgse Boys |
1 |
0 |
0 |
0 |
0 |
0 |
| 22/23 |
Jack's League |
Rijnsburgse Boys |
24 |
0 |
1 |
0 |
0 |
0 |
| 21/22 |
Jack's League |
Rijnsburgse Boys |
31 |
2 |
1 |
2 |
0 |
1,390 |
| 21/22 |
KNVB Beker |
Rijnsburgse Boys |
2 |
0 |
0 |
0 |
0 |
0 |
| 20/21 |
KNVB Beker |
Rijnsburgse Boys |
1 |
0 |
0 |
0 |
1 |
0 |
| 20/21 |
Tweede Divisie |
Rijnsburgse Boys |
4 |
0 |
0 |
1 |
0 |
0 |
| 19/20 |
KNVB Beker |
Rijnsburgse Boys |
2 |
0 |
0 |
0 |
0 |
0 |
| 19/20 |
Tweede Divisie |
Rijnsburgse Boys |
24 |
1 |
2 |
3 |
0 |
2,156 |
| 18/19 |
Derde Div. Sat |
FC Lisse |
34 |
2 |
0 |
1 |
0 |
1,480 |
| 18/19 |
KNVB Beker |
FC Lisse |
2 |
0 |
0 |
1 |
0 |
0 |
| 17/18 |
Play-Offs Promotion Derde Divisie |
FC Lisse |
2 |
0 |
0 |
0 |
0 |
0 |
| 17/18 |
Tweede Divisie |
FC Lisse |
22 |
1 |
0 |
0 |
1 |
1,675 |
| 16/17 |
Beloften Eredivisie |
Feyenoord U21 |
4 |
0 |
0 |
0 |
0 |
0 |
| 16/17 |
Derde Div. Sun. |
FC Den Bosch U21 |
3 |
0 |
0 |
0 |
0 |
0 |
| 16/17 |
Jupiler League |
FC Den Bosch |
5 |
0 |
0 |
0 |
0 |
0 |
| 15/16 |
Beloften nacompetitie |
Feyenoord U21 |
1 |
0 |
0 |
0 |
0 |
0 |
| 15/16 |
U19 Div. 1 Spring |
Feyenoord U19 |
7 |
0 |
0 |
0 |
0 |
0 |
| 15/16 |
U19 Div. 2 Spring |
Feyenoord U18 |
4 |
1 |
0 |
0 |
0 |
160 |
| 15/16 |
Viareggio Cup |
Feyenoord U19 |
1 |
0 |
0 |
0 |
0 |
0 |
| 14/15 |
U19 Cup NL |
Feyenoord U18 |
2 |
0 |
0 |
0 |
0 |
0 |
| 14/15 |
U19 Cup NL |
Feyenoord/Excelsior U19 |
0 |
0 |
0 |
0 |
0 |
0 |
| 14/15 |
U19 Div. 1 Fall |
Feyenoord/Excelsior U19 |
1 |
0 |
0 |
0 |
0 |
0 |
| 14/15 |
U19 Div. 1 Spring |
Feyenoord/Excelsior U19 |
2 |
0 |
0 |
0 |
0 |
0 |
| 14/15 |
U19 Div. 2 Fall |
Feyenoord U18 |
5 |
0 |
0 |
0 |
0 |
0 |
| Season | Date | From | To | Type | Market value | Fee |
| 06/07 |
2006-07-01 |
Ter Leede Yth. |
Feyenoord Youth |
Transfer |
0 |
- |
| 13/14 |
2013-07-01 |
Feyenoord Youth |
Feyenoord U17 |
Transfer |
0 |
- |
| 14/15 |
2014-07-01 |
Feyenoord U17 |
Feyenoord U18 |
Transfer |
0 |
- |
| 15/16 |
2015-07-01 |
Feyenoord U18 |
Feyenoord U19 |
Transfer |
0 |
- |
| 16/17 |
2016-07-01 |
Feyenoord U19 |
Feyenoord U21 |
Transfer |
0 |
- |
| 16/17 |
2017-01-25 |
Feyenoord U21 |
FC Den Bosch |
Loan |
0 |
- |
| 16/17 |
2017-06-30 |
FC Den Bosch |
Feyenoord U21 |
Return from loan |
75000 |
- |
| 17/18 |
2017-08-31 |
Feyenoord U21 |
FC Lisse |
Transfer |
75000 |
- |
| 19/20 |
2019-07-01 |
FC Lisse |
Rijnsburgse B. |
Transfer |
0 |
- |
| 23/24 |
2023-12-19 |
Rijnsburgse B. |
Retired |
Transfer |
0 |
- |
| Season | Injury | From | To | Days missed | Games missed |
| 14/15 |
Cruciate ligament tear |
2015-04-25 |
2015-12-01 |
221 |
13 |
Current-
Peak€75k
Low-
Δ since start−€50k
| Date | Value |
| Jan 1, 1970 |
- |
| Jan 1, 1970 |
€75k |
| Jan 1, 1970 |
€50k |
| Team | Shirt | Matches | Goals | Debut | Age at debut | Status |
| Team #39118 |
- |
3 |
0 |
- |
- |
former national player |
| Team #34684 |
#19 |
2 |
0 |
- |
- |
former national player |
Single-season peaks across competitions in this player's career.
Top goalscoring seasons
| Season | Competition | Club | Goals | Matches |
| 18/19 |
Derde Div. Sat |
FC Lisse |
2 |
34 |
| 21/22 |
Jack's League |
Rijnsburgse Boys |
2 |
31 |
| 15/16 |
U19 Div. 2 Spring |
Feyenoord U18 |
1 |
4 |
Top assist seasons
| Season | Competition | Club | Assists | Matches |
| 19/20 |
Tweede Divisie |
Rijnsburgse Boys |
2 |
24 |
| 22/23 |
Jack's League |
Rijnsburgse Boys |
1 |
24 |
| 21/22 |
Jack's League |
Rijnsburgse Boys |
1 |
31 |
Every loan spell across this player's career.
| Season | Date | From | To | Type | Fee | Value at transfer |
| 16/17 |
2017-06-30 |
FC Den Bosch |
Feyenoord U21 |
Return from loan |
- |
€75k |
| 16/17 |
2017-01-25 |
Feyenoord U21 |
FC Den Bosch |
Loan |
- |
- |
Auto-detected milestones based on cumulative career totals.
| Season / Year | Milestone | Date |
| 14/15 |
Senior debut season |
|
| 15/16 |
First senior goal |
|
Yellow / second-yellow / red cards per season. Only seasons with at least one card are shown.
| Season | Matches | Mins | YC | 2nd YC | RC | Cards / 90′ |
| 21/22 |
33 |
1,390 |
2 |
1 |
0 |
0.19 |
| 20/21 |
5 |
0 |
1 |
0 |
1 |
0 |
| 19/20 |
26 |
2,156 |
3 |
0 |
0 |
0.13 |
| 18/19 |
36 |
1,480 |
2 |
0 |
0 |
0.12 |
| 17/18 |
24 |
1,675 |
0 |
0 |
1 |
0.05 |