Sten Klaasen
🚩 Assistant RefereeEstonia
Football match official with 21 appearances across 3 competitions.
Career Stats
Total Appearances21
🚩 As AR21
🌍 International21
🏟️ Domestic0
Competitions3
Season-by-Season Activity
'19/20
1
'20/21
2
'21/22
4
'22/23
6
'23/24
2
| Season | Total | AR |
|---|---|---|
| 2023/24 | 2 | 2 |
| 2022/23 | 6 | 6 |
| 2021/22 | 4 | 4 |
| 2020/21 | 2 | 2 |
| 2019/20 | 1 | 1 |
| 6 | 6 |
Career Milestones
Match Activity
15 matches · 5 yearsMay
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
M
W
F
Top 15% among Estonia officials
Peer Benchmark
Match Count85%
Seasons Active74%
Competitions53%
Median in Estonia: 5 matches · 3 seasons
Recent Matches
All 21 →Europa League09/21/2023
Brighton & Hove Albion FCvsAek Athens FC
Assistant Referee 2
Europa League08/24/2023
SK Slavia PrahavsZorya Luhansk
Assistant Referee 2
UEFA Europa Conference League03/09/2023
Kaa Gentvsİstanbul Başakşehir FK
Assistant Referee 2
Europa League10/27/2022
SC FreiburgvsOlymbiakós
Assistant Referee 2
Europa League10/13/2022
LudogoretsvsHjk
Assistant Referee 2
UEFA Europa Conference League08/18/2022
FC VaduzvsSK Rapid Wien
Assistant Referee 2
UEFA Europa Conference League08/11/2022
FC TwentevsFK Čukarički
Assistant Referee 2
Champions League07/26/2022
Malmö FFvsFK Žalgiris Vilnius
Assistant Referee 2
Europa League10/21/2021
Pfk Ludogorets 1945vsSC Braga
Assistant Referee 2
Europa League09/16/2021
SK Rapid WienvsKrc Genk
Assistant Referee 2
Most-Officiated Teams
Least-Officiated Teams
Current championship only · teams with fewest meetings
Top Destinations
Career Events
Career events (UEFA courses, awards) will appear here when available.