Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Plaisir | 2019/09/22 12:30 | Heyman, Christopher v Mertens, Yannick | 3-6,0-6 |
| ITF M25 Plaisir | 2019/09/21 14:30 | Mertens, Yannick v Jacq, Gregoire | 6-4,7-6 |
| ITF M25 Plaisir | 2019/09/20 11:30 | Mertens, Yannick v Valentin Royer | 7-6,6-3 |
| ITF M25 Plaisir | 2019/09/19 11:30 | Mertens, Yannick v Joffrey De Schepper | 6-1,4-6,6-4 |
| ITF M25 Plaisir | 2019/09/18 11:30 | Mertens, Yannick v Meehan, Harry David | 6-3,6-2 |
| Istanbul, Turkey | 2019/09/10 09:45 | Mertens, Yannick v Hoyt, Evan | 5-7,6-4,6-7 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/07 14:25 | Struvay, Eduardo v Mertens, Yannick | 6-4,6-4 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/06 12:30 | Mertens, Yannick v Arthur Reymond | 3-6,6-3,6-4 |
| Oliveira De Azemeis, Singles Q M-ITF-POR-15A | 2019/09/23 12:35 | Das, Terence v Arjun Mehrotra | 6-4,6-7,10-4 |
| Sao Bras Alportel, Singles Q M-ITF-POR-13A | 2019/09/03 11:30 | Das, Terence v Tendero Ramirez, Guillermo | 6-1,6-0 |
| Sao Bras Alportel, Singles Q M-ITF-POR-13A | 2019/09/02 10:00 | Das, Terence v Roque, Bernardo | 6-4,7-5 |
| ITF M15 Sintra | 2019/08/21 09:00 | Tverijonas, Julius v Das, Terence | 6-4,4-6,7-6 |
| ITF M15 Sintra | 2019/08/20 10:00 | Das, Terence v Goncalves, Manuel | 6-1,6-4 |
| ITF M15 Sintra | 2019/08/14 09:00 | Faria, Luis v Das, Terence | 6-2,3-6,6-3 |
| ITF M15 Sintra | 2019/08/13 09:00 | Das, Terence v Fernandes, Paulo | 6-3,6-1 |
| ITF M15 Sintra | 2019/08/12 09:00 | Das, Terence v Abdulla, Mohammed | 6-0,6-1 |