Stadium: Court 15 Round: 26 Ground: Hardcourt indoor
| ITF M15 Sintra | 2019/08/24 09:30 | Yannick Mertens v Antoine Escoffier | 3-6,4-6 |
| ITF M15 Sintra | 2019/08/23 11:10 | Tiago Cacao v Yannick Mertens | 3-6,7-6,6-7 |
| ITF M15 Sintra | 2019/08/22 09:00 | Stuart Parker v Yannick Mertens | 6-4,3-6,2-6 |
| ITF M15 Sintra | 2019/08/21 14:20 | Quentin Gueydan v Yannick Mertens | 1-6,1-6 |
| Challenger Granby | 2019/07/24 15:35 | Andrew Harris v Yannick Mertens | 6-1,6-1 |
| Challenger Granby | 2019/07/23 14:00 | Yannick Mertens v Kooros Ghasemi | 6-2,6-0 |
| ATP Bastad | 2019/07/14 10:00 | Yannick Mertens v Roberto Quiroz | 1-6,2-6 |
| ITF M25 Ajaccio | 2019/07/11 15:00 | Laurent Lokoli v Yannick Mertens | 6-1,6-4 |
| ITF M25 Troyes | 2019/07/24 08:35 | Joffrey De Schepper v Gianni Mina | 6-7,6-2,3-6 |
| ITF M25 Troyes | 2019/07/23 08:45 | Joffrey De Schepper v Alexis Boureau | 1-6,7-5,7-10 |
| ITF M25 Troyes | 2019/07/22 10:00 | Joffrey De Schepper v Joao M Nusdeo | 7-5,6-2 |
| ITF M15 Uriage | 2019/07/18 09:00 | Joffrey De Schepper v Gabriel Petit | 3-6,4-6 |
| ITF M15 Uriage | 2019/07/17 07:30 | Joffrey De Schepper v Lucas Bouquet | 7-5,6-2 |
| ITF M25 Getxo | 2019/07/10 11:25 | Joffrey De Schepper v Sergio Martos Gornes | 4-6,4-6 |
| ITF M25 Bourg-en-Bresse | 2019/07/04 09:00 | Lamine Ouahab v Joffrey De Schepper | 6-1,6-0 |
| ITF M25 Bourg-en-Bresse | 2019/07/02 08:00 | Joffrey De Schepper v Mirko Martinez | 3-6,7-6,6-3 |