Stadium: Court 15 Round: 26 Ground: Hardcourt indoor
| ITF M25 Plaisir | 2019/09/18 11:30 | Yannick Mertens v Harry Meehan | 6-3,6-2 |
| Challenger Istanbul | 2019/09/10 09:45 | Yannick Mertens v Evan Hoyt | 5-7,6-4,6-7 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/07 14:25 | Eduardo Struvay v Yannick Mertens | 6-4,6-4 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/06 12:30 | Yannick Mertens v Arthur Reymond | 3-6,6-3,6-4 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/05 17:05 | Yannick Mertens v Ben Patael | 6-4,3-6,6-4 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/03 11:05 | Yannick Mertens v Theo Arribage | 6-2,7-6 |
| ITF M15 Piombino | 2019/08/30 19:00 | Anton Matusevich v Yannick Mertens | 6-3,6-2 |
| ITF M15 Piombino | 2019/08/29 19:05 | Andres Gabriel Ciurletti v Yannick Mertens | 2-6,3-6 |
| ITF M25 Plaisir | 2019/09/18 08:00 | Arthur Reymond v Joffrey De Schepper | 4-6,1-6 |
| ITF M25 Plaisir | 2019/09/16 13:05 | Linus Frost v Joffrey De Schepper | 6-2,6-0 |
| ITF M25 Plaisir | 2019/09/16 07:30 | Shiva Swaroop v Joffrey De Schepper | 0-6,0-6 |
| ITF M25 Plaisir | 2019/09/15 09:00 | Oscar Moraing v Joffrey De Schepper | 6-3,3-6,12-14 |
| ITF M25 Mulhouse | 2019/09/12 14:05 | Joffrey De Schepper v Tobias Simon | 7-6,2-6,4-6 |
| ITF M25 Mulhouse | 2019/09/11 13:40 | Joffrey De Schepper v Glenn Smits | 6-0,6-2 |
| ITF M25 Mulhouse | 2019/09/09 08:30 | Louis Lechevretel v Joffrey De Schepper | 3-6,3-6 |
| ITF M25 Mulhouse | 2019/09/08 09:30 | Leon Hoeveler v Joffrey De Schepper | 2-6,1-6 |