Round: 27
| ITF Portugal F20 | 2017/09/27 09:30 | Doumbia, Sadio v Deus, Nuno | 6-2,6-3 |
| ITF Portugal F20 | 2017/09/26 09:00 | Doumbia, Sadio v Pulgar-Garcia, Jaime | 4-6,6-3,6-3 |
| Izmir, Turkey | 2017/09/22 10:40 | Illya Marchenko v Doumbia, Sadio | 6-7,6-2,7-6 |
| Izmir, Turkey | 2017/09/21 09:00 | Altug Celikbilek v Doumbia, Sadio | 5-7,6-3,1-6 |
| Izmir, Turkey | 2017/09/19 11:00 | Doumbia, Sadio v Nikola Milojevic | 6-1,3-6,6-4 |
| ITF France F18 | 2017/09/08 12:15 | Doumbia, Sadio v Ugo Humbert | 4-6,6-4,4-6 |
| ITF France F18 | 2017/09/07 09:30 | Doumbia, Sadio v Matsukevitch, Denis | 6-2,7-6 |
| ITF France F18 | 2017/09/04 09:00 | Doumbia, Sadio v Cayre, Paul | 6-3,6-0 |
| ITF Portugal F20 | 2017/09/27 09:30 | Semedo, Miguel v Ortega-Olmedo, Roberto | 0-6,2-6 |
| ITF Portugal F20 | 2017/09/26 11:05 | Gil, Fred v Ortega-Olmedo, Roberto | 5-7,7-5,6-7 |
| ATP Metz Qual | 2017/09/17 08:00 | Stefanos Tsitsipas v Ortega-Olmedo, Roberto | 6-2,7-5 |
| Istanbul, Turkey | 2017/09/11 09:00 | Ortega-Olmedo, Roberto v Karim-Mohamed Maamoun | 4-6,3-6 |
| Portoroz, Slovénie | 2017/08/09 13:00 | Ortega-Olmedo, Roberto v Pedro Martinez | 6-4,0-6,3-6 |
| Portoroz, Slovénie | 2017/08/08 16:45 | Celebic, Ljubomir v Ortega-Olmedo, Roberto | 3-6,3-6 |
| Challenger Segovia Qual | 2017/07/31 10:00 | Ortega-Olmedo, Roberto v Vega Hernandez, David | 3-6,0-6 |
| Challenger Astana | 2017/07/20 05:00 | Ortega-Olmedo, Roberto v Aldin Setkic | 2-6,6-7 |