Stadium: Court Central Round: 28
| ITF Cameroon F2 | 2018/12/06 08:30 | Doumbia, Sadio v Mitjana, Leny | 6-3,7-5 |
| ITF Cameroon F2 | 2018/12/05 08:30 | Doumbia, Sadio v Anand, Kunal | 6-3,6-4 |
| ITF Cameroon F2 | 2018/12/04 08:30 | Doumbia, Sadio v Forchap, David Chaplefeh | 6-4,6-0 |
| ITF Cameroon F1 | 2018/11/29 09:50 | Doumbia, Sadio v Sao Thiago, Igor | 3-6,5-7 |
| ITF Cameroon F1 | 2018/11/28 09:40 | Doumbia, Sadio v Bushamuka, William | 6-1,6-2 |
| Challenger Canberra 2 | 2018/10/31 00:35 | Doumbia, Sadio v Grills, Jacob | 6-7,6-3,3-6 |
| Challenger Canberra 2 | 2018/10/29 01:55 | Thomas Fancutt v Doumbia, Sadio | 6-4,4-6,2-6 |
| Challenger Traralgon | 2018/10/25 01:50 | Doumbia, Sadio v Yoshihito Nishioka | 1-6,4-6 |
| ITF Cameroon F2 | 2018/12/06 08:30 | Dougaz, Aziz v Skander Mansouri | 6-4,4-6,4-6 |
| ITF Cameroon F2 | 2018/12/05 09:45 | Antchandie, Herve v Skander Mansouri | 1-6,3-6 |
| ITF Cameroon F2 | 2018/12/04 09:55 | Mugabe, Duncan v Skander Mansouri | 4-6,4-6 |
| ITF Cameroon F1 | 2018/12/02 10:30 | Skander Mansouri v Evan Furness | 3-6,6-3,6-4 |
| ITF Cameroon F1 | 2018/12/01 10:00 | Sao Thiago, Igor v Skander Mansouri | 1-6,3-6 |
| ITF Cameroon F1 | 2018/11/30 08:30 | Anand, Kunal v Skander Mansouri | 4-6,1-6 |
| ITF Cameroon F1 | 2018/11/29 08:30 | Gostincar, Domen v Skander Mansouri | 1-6,2-6 |
| ITF Cameroon F1 | 2018/11/27 10:00 | Mugabe, Duncan v Skander Mansouri | 2-6,2-6 |