See Key for column definitions.
| Team | Competition | Starts | Subs | Subbed | Total | Mins | MPG | Rating |
| AVS | Taça de Portugal | 0 | 0 | 1 | 2 | 120 | 60.0 | 6.30 |
| AVS | Portuguese Primeira Liga | 0 | 5 | 8 | 19 | 1,235 | 65.0 | 6.72 |
| Totals | | 0 | 5 | 9 | 21 | 1,355 | 64.5 | 6.68 |
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 |
| AVS | Taça de Portugal | 2 | 0 | | | 0 | 1 | 0 | 1 | N/A | 0 | 25 | 84 | 0 |
| AVS | Portuguese Primeira Liga | 19 | 0 | | | 0 | 6 | 3 | 3 | N/A | 13 | 434 | 76 | 11 |
| Totals | | 21 | 0 | | | 0 | 7 | 3 | 4 | N/A | 13 | 459 | 160 | 11 |
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 |
| AVS | Taça de Portugal | 2 | 0 | | 2 | 1 | 2 | 2 | 2 | 0 |
| AVS | Portuguese Primeira Liga | 19 | 0 | | 38 | 4 | 8 | 75 | 71 | 26 |
| Totals | | 21 | 0 | 0 | 40 | 5 | 10 | 77 | 73 | 26 |
The total yellow and red cards received by Gustavo Mendonça in each competition are shown below.