Stadium: Court Central Round: 26 Ground: Hardcourt indoor
| ITF Israel F16 | 2017/11/29 10:15 | Ugo Blanchet v Mertens, Yannick | 2-6,2-6 |
| ITF - M15 Grenoble | 2019/02/06 11:25 | Ugo Blanchet v Lakat, Florian | 6-3,5-7,6-4 |
| ITF - M15 Veigy-Foncenex | 2019/01/23 10:30 | Ugo Blanchet v Johnson, Luke | 1-6,6-2,6-7 |
| ITF - M15 Veigy-Foncenex | 2019/01/21 17:35 | Staeheli, Luca v Ugo Blanchet | 3-6,4-6 |
| ITF - M15 Veigy-Foncenex | 2019/01/21 12:40 | Mayeul Darras v Ugo Blanchet | 4-6,7-6,3-10 |
| ITF - M15 Bressuire | 2019/01/14 10:20 | Niels Lootsma v Ugo Blanchet | 6-3,6-1 |
| ITF Tunisia F45 | 2018/12/17 08:30 | de Rossi, Marco v Ugo Blanchet | 6-4,6-2 |
| ITF Tunisia F44 | 2018/12/10 08:30 | Giorgio Ricca v Ugo Blanchet | 7-6,6-3 |
| ITF Tunisia F44 | 2018/12/09 09:00 | Ahren Moonga, Eric v Ugo Blanchet | 3-6,3-6 |
| ITF - M15 Grenoble | 2019/02/06 10:00 | Bernabe, Arthur v Mertens, Yannick | 1-6,0-6 |
| ITF - M15 Sharm El Sheikh | 2019/01/31 09:45 | Mertens, Yannick v Vivero Gonzalez, Pablo | 2-6,6-4,2-6 |
| ITF - M15 Sharm El Sheikh | 2019/01/30 12:15 | Mertens, Yannick v Yu Hsiou Hsu | 6-3,6-0 |
| Challenger Rennes | 2019/01/24 15:35 | Elias Ymer v Mertens, Yannick | 6-3,6-4 |
| Challenger Rennes | 2019/01/23 17:05 | Evgeny Karlovskiy v Mertens, Yannick | 3-6,6-7 |
| Challenger Rennes | 2019/01/21 09:00 | Jacq, Gregoire v Mertens, Yannick | 7-5,6-2 |
| ITF - M15 Bressuire | 2019/01/18 13:00 | Mertens, Yannick v Mitjana, Leny | 6-7,5-7 |
| ITF - M15 Bressuire | 2019/01/17 11:00 | Heyman, Christopher v Mertens, Yannick | 3-6,0-6 |