Stadium: Court 16 Round: 25 Ground: Hardcourt indoor
| 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 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/05 17:05 | Mertens, Yannick v Patael, Ben | 6-4,3-6,6-4 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/03 11:05 | Mertens, Yannick v Theo Arribage | 6-2,7-6 |
| Piombino, Singles M-ITF-ITA-19A | 2019/08/30 19:00 | Anton Matusevich v Mertens, Yannick | 6-3,6-2 |
| Piombino, Singles M-ITF-ITA-19A | 2019/08/29 19:05 | Andres Gabriel Ciurletti v Mertens, Yannick | 2-6,3-6 |
| Piombino, Singles M-ITF-ITA-19A | 2019/08/28 11:30 | Carlo Alberto Fossati v Mertens, Yannick | 3-6,2-6 |
| ITF M25 Plaisir | 2019/09/16 14:15 | Clement Chidekh v Meehan, Harry David | 1-6,1-6 |
| ITF M25 Plaisir | 2019/09/16 12:30 | Clement Chidekh v Meehan, Harry David | 1-6,1-6 |
| ITF M25 Plaisir | 2019/09/16 08:25 | Alexandre Aubriot v Meehan, Harry David | 3-6,2-6 |
| ITF M25 Plaisir | 2019/09/15 10:45 | Meehan, Harry David v Antchandie, Herve | 7-6,3-6,10-5 |
| Mulhouse, Singles M-ITF-FRA-16A | 2019/09/08 09:50 | Meehan, Harry David v Petrenko, Anatoliy | 6-7,3-6 |
| Piombino, Singles M-ITF-ITA-19A | 2019/08/27 11:35 | Griffith, William v Meehan, Harry David | 6-4,6-2 |
| Piombino, Singles M-ITF-ITA-19A | 2019/08/26 15:10 | Ortega, Pedro v Meehan, Harry David | 1-6,1-6 |
| Chiswick, Singles W-ITF-GBR-09A | 2019/08/05 14:25 | Mattia Bellucci v Meehan, Harry David | 6-4,6-4 |