| Challenger St Brieuc | 03/31 11:15 | 26 | Aslan Karatsev v Sidorenko, Alexandre | 4-6,2-6 | |
| Challenger St Brieuc | 03/30 08:00 | 25 | Sidorenko, Alexandre v Egor Gerasimov | 7-6,4-6,6-1 | |
| ITF France F7 | 03/26 14:55 | 29 | Wang, Tak Khunn v Sidorenko, Alexandre | 5-7,4-6 | |
| ITF France F7 | 03/25 15:15 | 28 | Geoffrey Blancaneaux v Sidorenko, Alexandre | Retired | |
| ITF France F7 | 03/24 16:20 | 27 | Sidorenko, Alexandre v Goncalo Oliveira | 6-3,6-1 | |
| ITF France F7 | 03/23 14:45 | 26 | Sidorenko, Alexandre v Davydenko, Philipp | 6-4,6-4 | |
| ITF France F7 | 03/22 16:40 | 25 | Sidorenko, Alexandre v Tsuchiya, Alexandre | 6-3,6-1 | |
| Challenger - Quimper | 03/03 11:30 | 26 | Sidorenko, Alexandre v Stakhovsky, Sergiy | 4-6,6-7 | |
| Challenger - Quimper | 03/01 13:30 | 25 | Ignatik, Uladzimir v Sidorenko, Alexandre | 2-6,6-4,2-6 | |
| Challenger Quimper Qual | 02/28 10:00 | 54 | Mektic, Nikola v Sidorenko, Alexandre | 3-6,4-6 | |
| Challenger Quimper Qual | 02/27 11:50 | 46 | Penaud, Alexandre v Sidorenko, Alexandre | 2-6,4-6 | |
| ITF Great Britain F2 | 02/09 10:00 | 25 | Sidorenko, Alexandre v Kobelt, Peter | 3-6,7-6,3-6 | |
| ITF France F2 | 01/23 14:00 | 28 | Sidorenko, Alexandre v Hugo Nys | 2-6,4-6 | |
| ITF France F2 | 01/22 12:40 | 27 | Roy, Matthieu v Sidorenko, Alexandre | 7-5,6-7,2-6 | |
| ITF France F2 | 01/20 15:45 | 26 | Albano Olivetti v Sidorenko, Alexandre | 7-6,3-6,4-6 | |
| ITF France F2 | 01/19 16:45 | 25 | Jacq, Gregoire v Sidorenko, Alexandre | 3-6,3-6 | |
| ITF France F1 | 01/15 12:30 | 27 | Sidorenko, Alexandre v Corentin Denolly | 4-6,3-6 | |
| ITF France F1 | 01/14 17:45 | 26 | Sidorenko, Alexandre v Rousset, Elie | 6-1,6-4 | |
| ITF France F1 | 01/12 15:40 | 25 | Sidorenko, Alexandre v Simbozel, Florian | 6-1,6-1 | |
| Brest, France | 10/19 18:55 | 25 | Authom, Maxime v Sidorenko, Alexandre | 6-4,5-7,6-4 | |
| ITF France F21 | 10/09 16:00 | 27 | Millot, Vincent v Sidorenko, Alexandre | 6-2,6-3 | |
| ITF France F21 | 10/08 12:15 | 26 | Sidorenko, Alexandre v Joncour, Ronan | 6-0,6-3 | |
| ITF France F21 | 10/06 12:35 | 25 | Goncalo Oliveira v Sidorenko, Alexandre | 2-6,3-6 | |
| Orleans, France | 09/30 13:50 | 26 | Illya Marchenko v Sidorenko, Alexandre | 6-2,6-2 | |
| Orleans, France | 09/28 19:40 | 25 | Sidorenko, Alexandre v Mertens, Yannick | 3-6,6-4,6-4 | |
| ITF France F17 | 09/11 15:00 | 27 | Desein, Niels v Sidorenko, Alexandre | 6-2,6-4 | |
| ITF France F17 | 09/09 10:00 | 26 | Ramiaramanan, Lofo v Sidorenko, Alexandre | 3-6,2-6 | |
| ITF France F17 | 09/08 11:35 | 25 | Reboul, Fabien v Sidorenko, Alexandre | 2-6,0-6 | |
| ITF Belgium F13 | 09/03 08:30 | 26 | Goncalo Oliveira v Sidorenko, Alexandre | 6-4,7-6 | |
| ITF Belgium F13 | 08/31 09:00 | 25 | Sidorenko, Alexandre v Cristian Garin | 6-3,7-5 |