| Challenger - Sarasota | 04/10 16:00 | 14 | [103] Eysseric, Jonathan v Martin Damm [436] | 3-6,0-6 | |
| Challenger St Brieuc | 03/19 14:35 | 14 | [389] Mark Lajal v Eysseric, Jonathan [100] | 6-4,7-6 | |
| Challenger - Pau | 02/26 15:45 | 14 | [98] Eysseric, Jonathan v Ugo Blanchet [318] | 5-7,6-3,5-7 | |
| Challenger - Quimper | 01/23 18:40 | 14 | [218] Nicolas Moreno De Alboran v Eysseric, Jonathan [96] | 6-2,6-2 | |
| Roanne, France | 11/06 16:55 | 14 | [305] Titouan Droguet v Eysseric, Jonathan [105] | 6-2,6-1 | |
| Challenger Granby | 08/22 14:00 | 19 | Alafia Ayeni v Eysseric, Jonathan | 7-5,6-7,6-3 | |
| Challenger Granby | 08/21 16:40 | 14 | Kiger, Mac v Eysseric, Jonathan | Cancelled | |
| Vancouver, Canada | 08/14 17:00 | 14 | [114] Eysseric, Jonathan v Omni Kumar [472] | 6-7,2-6 | |
| Challenger Trieste | 07/17 14:30 | 14 | [379] Gulbis, Ernests v Eysseric, Jonathan [111] | 2-6,6-4,6-2 | |
| Challenger - Aix en Provence | 05/02 10:30 | 19 | [105] Alexei Popyrin v Eysseric, Jonathan [154] | 7-5,6-2 | |
| Challenger - Aix en Provence | 05/01 11:35 | 14 | [158] Eysseric, Jonathan v Dan Added [367] | 7-6,4-6,6-2 | |
| Challenger - Rome | 04/27 08:00 | 26 | [176] Franco Agamenone v Eysseric, Jonathan [158] | 6-4,2-6,7-5 | |
| Challenger - Rome | 04/26 10:40 | 25 | [383] Luca Van Assche v Eysseric, Jonathan [158] | 3-6,4-6 | |
| Challenger - Rome | 04/25 10:20 | 19 | [338] Leandro Riedi v Eysseric, Jonathan [158] | 6-4,3-6,2-6 | |
| Challenger - Rome | 04/24 12:50 | 14 | [159] Eysseric, Jonathan v Carlos Sanchez Jover [426] | 6-0,6-3 | |
| Challenger Turin | 03/01 18:00 | 25 | [329] Ulises Blanch v Eysseric, Jonathan [200] | 6-4,6-1 | |
| Challenger Turin | 02/27 09:00 | 45 | [310] Filip C Jianu v Eysseric, Jonathan [206] | 6-4,3-6,6-1 | |
| UTR Pro Tennis Series Dubai | 01/15 06:00 | - | Eysseric, Jonathan v Podzus, Martins | 1-6,5-7 | |
| UTR Pro Tennis Series Dubai | 01/14 04:30 | - | [484] Pavlasek, Adam v Eysseric, Jonathan [268] | 6-4,4-6,1-6 | |
| UTR Pro Tennis Series Dubai | 01/13 07:30 | - | Filip Duda v Eysseric, Jonathan | 1-6,6-4,3-6 | |
| UTR Pro Tennis Series Dubai | 01/11 04:30 | - | Marsel Ilhan v Eysseric, Jonathan | 2-6,6-7 | |
| UTR Pro Tennis Series Dubai | 01/10 06:00 | - | Eysseric, Jonathan v Gorazd Srbljak | 6-4,6-1 | |
| UTR Pro Tennis Series Dubai | 01/07 04:30 | - | [366] Alexandru Jecan v Eysseric, Jonathan [269] | 4-6,6-7 | |
| UTR Pro Tennis Series Dubai | 01/06 06:00 | - | Michael Zhu v Eysseric, Jonathan | 6-4,6-4 | |
| UTR Pro Tennis Series Dubai | 01/04 04:30 | - | [330] David Pichler v Eysseric, Jonathan [269] | 6-2,2-6,2-5 | |
| UTR Pro Tennis Series Dubai | 01/03 10:50 | - | Eysseric, Jonathan v Kai Lemstra | 6-3,6-1 | |
| Mouilleron-Le-Captif, France | 10/03 11:35 | 26 | Eysseric, Jonathan v Titouan Droguet | 6-2,2-6,4-6 | |
| Challenger Kyiv | 09/05 09:55 | 14 | [392] Denis Yevseyev v Eysseric, Jonathan [342] | 6-0,6-2 | |
| Iasi, Romania | 07/11 14:45 | 14 | [382] Zekic, Miljan v Eysseric, Jonathan [333] | 6-2,6-2 | |
| ITF M25 Bourg-en-Bresse | 06/30 13:30 | 25 | [333] Eysseric, Jonathan v Nikolas S Izquierdo [356] | 2-6,7-5,1-6 |