Stadium: Francoise Savatier Round: 166 Ground: Hardcourt indoor
| France F19, Singles | 2016/09/21 09:00 | Jacq, Gregoire v Mertens, Yannick | 4-6,2-6 |
| France F4, Singles | 2015/03/04 18:55 | Jacq, Gregoire v Mertens, Yannick | 4-6,7-6,1-6 |
| ITF - M15 Bagnoles-de-l'Orne | 2019/01/10 13:00 | Yanais Laurent v Jacq, Gregoire | 6-1,6-3 |
| ITF - M15 Bagnoles-de-l'Orne | 2019/01/09 17:00 | Bresson, Leo v Jacq, Gregoire | 2-6,2-6 |
| ITF France F22 | 2018/10/21 08:30 | Boutillier, Remi v Jacq, Gregoire | 6-7,4-6 |
| ITF France F22 | 2018/10/20 13:00 | Jomby, Tom v Jacq, Gregoire | 2-6,1-6 |
| ITF France F22 | 2018/10/19 12:15 | Jacq, Gregoire v Jankovits, Yannick | 6-3,6-4 |
| ITF France F22 | 2018/10/18 13:40 | Jacq, Gregoire v Arthur Reymond | 6-3,4-6,6-1 |
| ITF France F22 | 2018/10/17 16:30 | Jacq, Gregoire v Dan Added | 7-6,6-4 |
| France F20, Singles | 2018/10/07 12:30 | Gleb Sakharov v Jacq, Gregoire | 3-6,2-6 |
| 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 |
| ITF - M15 Bressuire | 2019/01/16 09:00 | Clement Tabur v Mertens, Yannick | 2-6,3-6 |
| Challenger Columbus | 2019/01/07 15:00 | Gijs Brouwer v Mertens, Yannick | 6-3,6-3 |
| Challenger Canberra 2 | 2018/10/30 04:05 | Mertens, Yannick v Rubin Statham | 3-6,7-6,5-7 |
| Challenger Traralgon | 2018/10/24 00:25 | Mertens, Yannick v Alex Bolt | 5-7,1-6 |
| Challenger Traralgon | 2018/10/23 00:30 | Mertens, Yannick v Bourchier, Harry | 6-3,6-7,7-6 |
| Antwerp, Belgium | 2018/10/14 12:50 | Granollers, Marcel v Mertens, Yannick | 6-4,6-4 |