Stadium: Court Jean Gachassin Round: 25 Ground: Hardcourt indoor
| ITF France F2 | 2018/01/16 12:25 | Robert, Quentin v Doumbia, Sadio | 3-6,3-6 |
| ITF France F4 Qual | 2018/03/04 11:55 | Bayard, Damien v Robert, Quentin | 6-7,1-6 |
| ITF France F4 Qual | 2018/03/03 11:00 | Theo Arribage v Robert, Quentin | 2-6,0-6 |
| ITF Switzerland F2 Qual | 2018/02/11 11:25 | Zgombic, Fran Zvonimir v Robert, Quentin | 7-6,6-3 |
| ITF Switzerland F2 Qual | 2018/02/10 11:00 | Lanz, Timo v Robert, Quentin | 4-6,2-6 |
| ITF France F3 Qual | 2018/01/21 12:40 | Van Terheijden, Tim v Robert, Quentin | 6-2,0-6,7-6 |
| ITF France F3 Qual | 2018/01/20 15:15 | Mackenzie, Guillaume v Robert, Quentin | 4-6,2-6 |
| ITF France F2 | 2018/01/16 12:25 | Robert, Quentin v Doumbia, Sadio | 3-6,3-6 |
| ITF France F2 Qual | 2018/01/15 14:35 | Petit, Gabriel v Robert, Quentin | 4-6,6-1,3-6 |
| ITF Italy F1 | 2018/02/27 10:00 | Boutillier, Remi v Doumbia, Sadio | 6-4,7-5 |
| Bergamo, Italy | 2018/02/21 14:00 | Doumbia, Sadio v Salvatore Caruso | 5-7,2-6 |
| Challenger Bergamo Qual | 2018/02/19 10:45 | Doumbia, Sadio v Basso, Andrea | 6-7,7-6,7-6 |
| Challenger Bergamo Qual | 2018/02/18 11:25 | Doumbia, Sadio v Jurij Rodionov | 6-2,2-6,6-2 |
| Challenger Bergamo Qual | 2018/02/17 13:05 | Bega, Alessandro v Doumbia, Sadio | 6-7,4-6 |
| Cherbourg, France, Qualifying | 2018/02/11 11:25 | Boutillier, Remi v Doumbia, Sadio | 7-5,6-2 |
| ITF Germany F2 | 2018/01/28 13:00 | Heyman, Christopher v Doumbia, Sadio | 6-7,5-7 |
| ITF Germany F2 | 2018/01/27 17:10 | Kern, Robin v Doumbia, Sadio | 4-6,1-6 |