| skos:altLabel | - U-21
- U21
- team
- under-21
- Slovakia
- U21 team
- under-21 levels
- under-21 level
- Slovakia U18
- U21 level
- Under 21s
- Slovakia U-16
- Slovakia U-17
- Slovak U21
- Slovak U21 national team
- Slovak U21 team
- Slovak national football youth teams
- Slovakia U-15
- Slovakia U-19
- Slovakia U-20
- Slovakia U-21
- Slovakia U-21 team
- Slovakia U19
- Slovakia U20
- Slovakia U21
- Slovakia U21 national team
- Slovakia U21 team
- Slovakia U21s
- Slovakia U23
- Slovakia Under-21 international
- Slovakia national under-21 team
- Slovakia national youth side
- Slovakia national youth teams
- Slovakia u-21
- Slovakia under 21s
- Slovakia under-21
- Slovakia under-21 international
- Slovakia under-21 team
- Slovakia under-21s
- Slovakia's national under-21 team
- Slovakia's under-21
- Slovakia's under-21s
- Slovakian U-21 team
- Slovakian U21 team
- Slovakian national under-21 football team
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