Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Playford | 2018/12/31 02:45 | Sadio Doumbia v Max Purcell | 1-6,6-4,6-4 |
| ITF Tunisia F44 | 2018/12/12 09:00 | Sadio Doumbia v Riccardo Maiga | 6-2,4-6,4-6 |
| ITF Cameroon F2 | 2018/12/07 10:00 | Sadio Doumbia v Skander Mansouri | 4-6,4-6 |
| ITF Cameroon F2 | 2018/12/06 08:30 | Sadio Doumbia v Leny Mitjana | 6-3,7-5 |
| ITF Cameroon F2 | 2018/12/05 08:30 | Sadio Doumbia v Kunal Anand | 6-3,6-4 |
| ITF Cameroon F2 | 2018/12/04 08:30 | Sadio Doumbia v David Chaplefeh Forchap | 6-4,6-0 |
| ITF Cameroon F1 | 2018/11/29 09:50 | Sadio Doumbia v Igor Sao Thiago | 3-6,5-7 |
| ITF Cameroon F1 | 2018/11/28 09:40 | Sadio Doumbia v William Bushamuka | 6-1,6-2 |
| Challenger Santo Domingo | 2018/10/11 16:35 | Rogerio Dutra Silva v Federico Delbonis | 4-6,1-6 |
| Challenger Santo Domingo | 2018/10/08 17:30 | Mario Vilella Martinez v Rogerio Dutra Silva | 1-6,3-6 |
| Challenger Campinas | 2018/10/04 22:15 | Rogerio Dutra Silva v Federico Delbonis | 2-6,1-6 |
| Challenger Campinas | 2018/10/02 18:10 | Rogerio Dutra Silva v Nicolas Alvarez | 6-3,6-3 |
| Challenger Szczecin | 2018/09/14 12:55 | Rogerio Dutra Silva v Facundo Arguello | 6-4,3-6,2-6 |
| Challenger Szczecin | 2018/09/12 12:20 | Simone Bolelli v Rogerio Dutra Silva | 2-6,4-6 |
| Challenger Szczecin | 2018/09/10 17:00 | Rogerio Dutra Silva v Pawel Juszczak | 7-5,6-3 |
| Challenger Genova | 2018/09/04 08:30 | Rogerio Dutra Silva v Federico Delbonis | 6-4,4-6,3-6 |