Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Castelo Branco | 2019/07/16 09:00 | Faria, Luis v Deviatiarov, Marat | 6-7,7-6,2-6 |
| ITF M15 Idanha-a-Nova | 2019/07/02 09:00 | Roglan, Albert v Deviatiarov, Marat | 6-3,7-5 |
| ITF M15 Setubal | 2019/06/28 12:00 | Gil, Fred v Deviatiarov, Marat | 6-3,0-6,6-3 |
| ITF M15 Setubal | 2019/06/27 09:30 | Deviatiarov, Marat v Petit, Gabriel | 7-5,6-3 |
| ITF M15 Setubal | 2019/06/26 11:30 | Goncalo Falcao v Deviatiarov, Marat | 1-6,4-6 |
| Casale Monferrato, Singles M-ITF-ITA-09A | 2019/05/15 13:00 | Battaglino, Stefano v Deviatiarov, Marat | 1-6,6-3,6-3 |
| Prijedor, Singles M-ITF-BIH-04A | 2019/05/08 09:20 | Christopher O'Connell v Deviatiarov, Marat | 6-4,7-5 |
| ITF - M15 Tbilisi | 2019/05/03 06:00 | Altug Celikbilek v Deviatiarov, Marat | 6-1,6-0 |
| ITF M15 Castelo Branco | 2019/07/16 17:05 | Francisco Rocha v Cacao, Tiago | 2-6,1-6 |
| ITF M15 Idanha-a-Nova | 2019/07/10 09:00 | Vernier, Michel v Cacao, Tiago | 6-3,3-6,7-5 |
| ITF M15 Idanha-a-Nova | 2019/07/06 09:30 | Cacao, Tiago v Gil, Fred | 2-6,6-7 |
| ITF M15 Idanha-a-Nova | 2019/07/05 09:00 | Cacao, Tiago v Aidan Mchugh | 7-6,3-6,7-5 |
| ITF M15 Idanha-a-Nova | 2019/07/04 09:00 | Cacao, Tiago v Roglan, Albert | 6-2,6-4 |
| ITF M15 Idanha-a-Nova | 2019/07/02 09:00 | Cacao, Tiago v Vernier, Michel | 3-6,6-0,6-1 |
| ITF M15 Setubal | 2019/06/26 11:00 | Crepaldi, Erik v Cacao, Tiago | 7-6,6-3 |
| ITF M15 Majadahonda | 2019/05/28 09:00 | Roglan, Albert v Cacao, Tiago | 6-4,6-3 |