Stadium: Court 2 Round: 24 Ground: Hardcourt outdoor
| Bolton, Qualifications Simples M-ITF-GBR-03A | 2019/04/02 09:00 | Hoyt, Evan v Mertens, Yannick | 6-3,6-3 |
| 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 M15 Sintra | 2019/08/24 09:30 | Mertens, Yannick v Antoine Escoffier | 3-6,4-6 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/08 13:00 | Hoyt, Evan v Struvay, Eduardo | 4-6,4-6 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/07 11:30 | Hoyt, Evan v Jomby, Tom | 7-6,6-2 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/06 08:30 | Hoyt, Evan v Edan Leshem | 7-6,3-6,6-1 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/05 12:50 | Hoyt, Evan v Rochette, Laurent | 2-6,6-4,6-4 |
| ITF M25 Bagneres-De-Bigorre | 2019/09/04 12:10 | Hoyt, Evan v Nicolas Tepmahc | 6-2,6-3 |
| Challenger Aptos | 2019/08/06 20:10 | Hoyt, Evan v Soeda, Go | 6-7,5-7 |
| Challenger Aptos | 2019/08/05 22:30 | Aragone, JC v Hoyt, Evan | 4-6,2-6 |
| Challenger Lexington | 2019/07/31 15:25 | Hoyt, Evan v Maxime Cressy | 4-6,7-6,1-6 |