Stadium: Court 16 Round: 25 Ground: Hardcourt indoor
| 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 M15 Piombino | 2019/08/28 11:30 | Carlo Alberto Fossati v Yannick Mertens | 3-6,2-6 |
| ITF M25 Plaisir | 2019/09/16 14:15 | Clement Chidekh v Harry Meehan | 1-6,1-6 |
| ITF M25 Plaisir | 2019/09/16 12:30 | Clement Chidekh v Harry Meehan | 1-6,1-6 |
| ITF M25 Plaisir | 2019/09/16 08:25 | Alexandre Aubriot v Harry Meehan | 3-6,2-6 |
| ITF M25 Plaisir | 2019/09/15 10:45 | Harry Meehan v Herve Antchandie | 7-6,3-6,10-5 |
| ITF M25 Mulhouse | 2019/09/08 09:50 | Harry Meehan v Anatoliy Petrenko | 6-7,3-6 |
| ITF M15 Piombino | 2019/08/27 11:35 | William Griffith v Harry Meehan | 6-4,6-2 |
| ITF M15 Piombino | 2019/08/26 15:10 | Pedro Ortega v Harry Meehan | 1-6,1-6 |
| ITF M25 Chiswick | 2019/08/05 14:25 | Mattia Bellucci v Harry Meehan | 6-4,6-4 |