| Mauritania | Mins | United Arab Emirates |
|---|---|---|
| 15" |  Caio Canedo | |
| Moustapha Diaw | 45" | |
 H. Abou Demba (A. Sy) | 48" | |
| M. Diaw (M. Niass) | 57" | |
| 74" | Caio (Khalil Ibrahim) | |
| Adama Ba (M. Khalil) | 78" | |
| H. Tanjy (O. M'Bareck) | 78" | |
| 81" | Ali Saleh (Ismael Matar) | |
| 85" | Walid Abbas | |
| 85" | Mohammed Al Menhali (Sebastián Tagliabúe) | |
| 90" |  Khalil Ibrahim |
| Mauritania | United Arab Emirates | ||
|---|---|---|---|
| Starting XI | |||
| 4-2-3-1 | 4-2-3-1 | ||
| G | 1. M. N'diaye | G | 22. Mohammed Al Shamsi |
| 4. H. Abou Demba | D | 3. Waleed Abbas | |
| D | 2. M. Diaw | D | 2. Mohammed Al Menhali |
| D | 15. B. N'Diaye | D | 13. Mohammed Al Attas |
| D | 3. M. Beibou | D | 9. Bandar Mohamed |
| M | 10. Adama Ba | M | 5. Ali Salmin |
| M | 6. G. Fofana | M | 19. Tahnoon Al Zaabi |
| M | 14. M. Dellahi | M | 18. Abdalla Ramadan |
| F | 7. I. Thiam | F | 11. Caio |
| 18. M. Bodda | F | 7. Ali Mabkhout | |
| 9. H. Tanjy | 16. Ali Saleh | ||
| Subs | |||
| D | 21. A. Sy | M | 14. Khalil Ibrahim |
| F | 8. M. Niass | F | 10. Ismael Matar |
| F | 11. M. Khalil | F | 20. Sebastián Tagliabúe |
| M | 20. O. M'Bareck | D | 4. Shaheen Abdulrahman |
| F | 19. M. Mohamed | D | 23. Abdulaziz Hussain |
| D | 13. O. Mangane | M | 12. Abdulla Hamad |
| D | 17. D. Trawré | G | 17. Khalid Eisa |
| F | 23. M. Soueid | M | 15. Mohammad Jumaa |
| G | 16. N. Diaw | G | 1. Ali Khaseif |
| M | 12. A. Diop | M | 8. Majid Rashid |
| 12. | D | 6. Mohannad Salem | |
World Arab Cup 2021