See Key for column definitions.
| Team | Competition | Starts | Subs | Subbed | Total | Mins | MPG | Rating |
| Belgium U21 | UEFA U21 Championship - Qualification | 4 | 5 | 3 | 9 | 391 | 43.4 | |
| St Etienne | French Ligue 2 | 7 | 6 | 5 | 13 | 737 | 56.7 | 6.76 |
| Totals | | 11 | 11 | 8 | 22 | 1,128 | 51.3 | 6.76 |
Key to column names
See Key for column definitions.
| Team | Competition | Appearances | Goals | GPG | MPG | Assists | Shots | On T | Off T | SPG | Dribbles | Passes | Acc | Fouled |
| Belgium U21 | UEFA U21 Championship - Qualification | 9 | 2 | 4.5 | 196 | 0 | 0 | 0 | 0 | 0 | 0 | | | 0 |
| St Etienne | French Ligue 2 | 13 | 4 | 3.3 | 184 | 2 | 21 | 13 | 8 | 5.3 | 16 | 228 | | 9 |
| Totals | | 22 | 6 | | | 2 | 21 | 13 | 8 | 3.5 | 16 | 228 | 0 | 9 |
Key to column names
- GPG
- Goals per game
- MPG
- Minutes per goal
- SPG
- Shots per goal
- On T
- Shots on Target
- Off T
- Shots off Target
- Acc
- Accurate passes
| Team |
Competition |
Appearances |
Conceded | Saves | Tackles | Blocks | Interceptions | Duels Won | Duels Lost | Fouls Committed |
| Belgium U21 | UEFA U21 Championship - Qualification | 9 | | | 0 | 0 | 0 | 0 | 0 | 0 |
| St Etienne | French Ligue 2 | 13 | 0 | | 9 | 1 | 0 | 26 | 36 | 5 |
| Totals | | 22 | 0 | 0 | 9 | 1 | 0 | 26 | 36 | 5 |
The total yellow and red cards received by L. Stassin in each competition are shown below.