Stadion: Court Central Round: 26
| ITF - Kamerun F1 | 2018/11/28 09:40 | Sadio Doumbia v William Bushamuka | 6-1,6-2 |
| Challenger - Canberra 2 | 2018/10/31 00:35 | Sadio Doumbia v Jacob Grills | 6-7,6-3,3-6 |
| Challenger - Canberra 2 | 2018/10/29 01:55 | Thomas Fancutt v Sadio Doumbia | 6-4,4-6,2-6 |
| Challenger - Traralgon | 2018/10/25 01:50 | Sadio Doumbia v Yoshihito Nishioka | 1-6,4-6 |
| Challenger - Traralgon | 2018/10/23 03:05 | Sadio Doumbia v Yosuke Watanuki | 3-6,6-3,6-3 |
| ITF - Libanon F2 | 2018/10/05 13:00 | Jaroslav Pospisil v Sadio Doumbia | 6-2,1-6,7-5 |
| ITF - Libanon F2 | 2018/10/04 13:00 | Giovani Samaha v Sadio Doumbia | 0-6,3-6 |
| ITF - Libanon F2 | 2018/10/03 13:00 | Federico Bertuccioli v Sadio Doumbia | 2-6,1-6 |
| ITF - Kamerun F1 | 2018/11/27 08:30 | Matt Seeberger v Igor Sao Thiago | 3-6,2-6 |
| ITF - Kamerun F1 | 2018/11/26 11:30 | Igor Sao Thiago v Simon Yitbarek | 4-6,6-7 |
| ITF - Tunesien F41 | 2018/11/19 08:30 | Louis Tessa v Igor Sao Thiago | 6-4,6-1 |
| ITF - Tunesien F41 | 2018/11/18 10:00 | Carlos Ramirez Utermann v Igor Sao Thiago | 1-6,0-6 |
| ITF - Tunesien F41 | 2018/11/17 09:00 | Andrea Del Federico v Igor Sao Thiago | 1-6,3-6 |
| ITF - Tunesien F40 | 2018/11/11 08:00 | Igor Sao Thiago v Melik Feler | 6-7,4-6 |
| ITF - Tunesien F40 | 2018/11/10 10:00 | Igor Sao Thiago v Vito Dell'Elba | 2-6,6-3,6-3 |
| ITF - Portugal F21 | 2018/10/14 12:00 | Igor Sao Thiago v Afonso Salgado | 4-6,4-6 |