Stadium: Court Central Round: 26 Ground: Hardcourt indoor
| Piombino, Singles M-ITF-ITA-19A | 2019/08/30 19:00 | Anton Matusevich v Mertens, Yannick | 6-3,6-2 |
| ITF - M15 Bressuire | 2020/01/22 12:05 | Mertens, Yannick v Titouan Droguet | 6-4,6-2 |
| ITF M15 Villers Les Nancy | 2019/11/14 19:05 | Harold Mayot v Mertens, Yannick | 6-2,6-3 |
| ITF M15 Villers Les Nancy | 2019/11/13 14:25 | Pontico, Hugo v Mertens, Yannick | 2-6,4-6 |
| ITF - M25 Saint-Dizier | 2019/11/05 15:00 | Mertens, Yannick v Evan Furness | 3-6,3-6 |
| ITF M25 Rodez | 2019/10/19 14:25 | Mertens, Yannick v Hugo Gaston | 6-7,4-6 |
| ITF M25 Rodez | 2019/10/18 10:05 | Mathias Bourgue v Mertens, Yannick | 6-3,4-6,3-6 |
| ITF M25 Rodez | 2019/10/17 10:40 | Mertens, Yannick v Jacq, Gregoire | 6-3,6-3 |
| ITF M25 Rodez | 2019/10/16 10:00 | Albano Olivetti v Mertens, Yannick | 3-6,3-6 |
| ITF - M15 Bressuire | 2020/01/22 15:00 | Louis Dussin v Anton Matusevich | 6-1,3-6,2-6 |
| ITF - M15 Bagnoles-de-l'Orne | 2020/01/17 17:00 | Anton Matusevich v Jules Marie | 6-7,2-6 |
| ITF - M15 Bagnoles-de-l'Orne | 2020/01/16 17:30 | Anton Matusevich v Kenny de Schepper | 7-6,6-3 |
| ITF - M15 Bagnoles-de-l'Orne | 2020/01/15 13:30 | Anton Matusevich v Dhoe, Benjamin | 6-4,7-5 |
| ITF M15 Tallahassee | 2019/12/08 16:00 | Guy Orly Iradukunda v Anton Matusevich | 6-3,1-6,5-7 |
| ITF M15 Tallahassee | 2019/12/06 16:00 | Anton Matusevich v Novikov, Dennis | 6-4,3-6,6-3 |
| ITF M15 Tallahassee | 2019/12/05 19:10 | Anton Matusevich v Patrick Kypson | 4-6,6-4,7-5 |
| ITF M15 Tallahassee | 2019/12/03 18:00 | Anton Matusevich v Knight, Alexander | 6-3,6-4 |