FC St. PauliHasta la fecha, no se registran títulos importantes en su carrera. Su logro más destacado ha sido consolidarse como portero titular en el FC St. Pauli y representar a su selección nacional.
Nikola Vasilj es un portero bosnio que actualmente juega en el FC St. Pauli. Ha desarrollado la mayor parte de su carrera en clubes de Alemania, destacando por su consistencia bajo los tres palos. A nivel internacional, ha representado a la selección de Bosnia y Herzegovina.
Vasilj es un guardameta de gran envergadura que destaca por su seguridad en el juego aéreo y su capacidad para realizar paradas decisivas. Su juego con los pies es correcto, aunque no es su principal fortaleza. Se caracteriza por su liderazgo en la defensa y su capacidad para organizar la línea defensiva.
| Season | Comp | Apps | G | A | YC | RC | Min |
|---|---|---|---|---|---|---|---|
| 25/26 | World Cup Qualification Playoffs | 2 | 0 | 0 | 0 | 0 | 240 |
| 25/26 | Bundesliga | 34 | 0 | 0 | 0 | 0 | 3060 |
| 25/26 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 90 |
| 25/26 | DFB-Pokal | 2 | 0 | 0 | 0 | 0 | 210 |
| 24/25 | UEFA Nations League A | 5 | 0 | 0 | 0 | 0 | 450 |
| 24/25 | Bundesliga | 33 | 0 | 0 | 0 | 0 | 2970 |
| 24/25 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 90 |
| 24/25 | DFB-Pokal | 2 | 0 | 0 | 0 | 0 | 210 |
| 23/24 | European Qualifiers Play-offs | 0 | 0 | 0 | 0 | 0 | 0 |
| 23/24 | 2. Bundesliga | 34 | 0 | 0 | 1 | 0 | 3060 |
| 23/24 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 90 |
| 23/24 | DFB-Pokal | 0 | 0 | 0 | 0 | 0 | 0 |
| 22/23 | UEFA Nations League B | 1 | 0 | 0 | 0 | 0 | 90 |
| 22/23 | 2. Bundesliga | 28 | 0 | 0 | 3 | 0 | 2520 |
| 22/23 | European Qualifiers | 2 | 0 | 0 | 0 | 0 | 108 |
| 22/23 | DFB-Pokal | 1 | 0 | 0 | 0 | 0 | 120 |
| 21/22 | 2. Bundesliga | 33 | 0 | 0 | 1 | 0 | 2970 |
| 21/22 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 180 |
| 21/22 | DFB-Pokal | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025 | World Cup Qualifiers (Europe) | 8 | 0 | 0 | 1 | 0 | 720 |
| 2021 | World Cup Qualifiers (Europe) | 1 | 0 | 0 | 0 | 0 | 90 |
| 20/21 | Ukrainian Cup | 3 | 0 | 0 | 0 | 0 | 330 |
| 20/21 | Premier Liga | 16 | 0 | 0 | 1 | 1 | 1337 |
| 20/21 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 136 |
| 20/21 | UEFA Europa League | 2 | 0 | 0 | 0 | 0 | 180 |
| 19/20 | Ukrainian Cup | 0 | 0 | 0 | 0 | 0 | 0 |
| 19/20 | Premier Liga - Final Phase | 3 | 0 | 0 | 0 | 0 | 192 |
| 19/20 | Premier Liga | 1 | 0 | 0 | 0 | 0 | 90 |
| 19/20 | UEFA Europa League Qualifying | 0 | 0 | 0 | 0 | 0 | 0 |
| 18/19 | Regionalliga Bayern | 27 | 0 | 0 | 0 | 0 | 2430 |
| 17/18 | Regionalliga Bayern | 15 | 0 | 0 | 0 | 0 | 1305 |
| 16/17 | UEFA Champions League Qualifying | 0 | 0 | 0 | 0 | 0 | 0 |
| 16/17 | Premijer Liga Bosne i Hercegovine | 1 | 0 | 0 | 0 | 0 | 90 |
| 16/17 | Kup BiH | 4 | 0 | 0 | 0 | 0 | 360 |
| 15/16 | UEFA European Under-21 Championship Qualifying | 0 | 0 | 0 | 0 | 0 | 0 |
| 15/16 | International Friendlies | 0 | 0 | 0 | 0 | 0 | 0 |
| 15/16 | Prva liga FBiH | 13 | 0 | 0 | 1 | 1 | 1106 |
| 15/16 | Premijer Liga Bosne i Hercegovine | 4 | 0 | 0 | 0 | 0 | 274 |
| 14/15 | International Friendlies | 0 | 0 | 0 | 0 | 0 | 0 |
| 14/15 | UEFA Champions League Qualifying | 0 | 0 | 0 | 0 | 0 | 0 |
| 14/15 | Prva liga FBiH | 24 | 0 | 0 | 2 | 0 | 2160 |
| 14/15 | Kup BiH | 1 | 0 | 0 | 0 | 0 | 90 |
| 13/14 | UEFA European Under-21 Championship Qualifying | 2 | 0 | 0 | 0 | 0 | 180 |
| 13/14 | UEFA EURO U19 Championship Qualifiers | 0 | 0 | 0 | 0 | 0 | 0 |
| 13/14 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 9 |
| 13/14 | UEFA Europa League Qualifying | 0 | 0 | 0 | 0 | 0 | 0 |
| 13/14 | Premijer Liga Bosne i Hercegovine | 2 | 0 | 0 | 0 | 0 | 128 |
| 13/14 | Kup BiH | 1 | 0 | 0 | 0 | 0 | 45 |
| 12/13 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 45 |
| 12/13 | Premijer Liga Bosne i Hercegovine | 10 | 0 | 0 | 1 | 0 | 900 |
| 12/13 | Kup BiH | 0 | 0 | 0 | 0 | 0 | 0 |