| ITF M25 Santa Margherita | 10/15 08:00 | 54 | Spiridon, Denis Constantin v Niccolo Dessi | 6-2,3-6,10-4 | |
| ITF M15 Sharm El Sheikh | 10/09 07:00 | 62 | Spiridon, Denis Constantin v Stanke, Cedric | 3-6,6-4,2-10 | |
| ITF M15 Sharm El Sheikh | 10/04 12:50 | 25 | Jacob Bradshaw v Spiridon, Denis Constantin | 7-6,6-3 | |
| ITF M15 Monastir | 09/13 10:25 | 25 | Spiridon, Denis Constantin v 아조이데스, 데메트리스 | Retired | |
| ITF M15 Monastir | 09/05 08:00 | 25 | Spiridon, Denis Constantin v Gabriele Volpi | 2-6,4-6 | |
| ITF M15 Caslano | 08/22 17:00 | 25 | Spiridon, Denis Constantin v 파울, 야콥 | 6-4,4-6,5-7 | |
| ITF M15 Monastir | 08/15 10:05 | 25 | Spiridon, Denis Constantin v Tiago Pereira | 1-6,4-6 | |
| ITF M15 Monastir | 08/10 12:30 | 26 | Spiridon, Denis Constantin v van Wyk, Kris | 3-6,2-6 | |
| ITF M15 Monastir | 08/08 10:15 | 25 | Spiridon, Denis Constantin v Alex Degabriele | 6-3,7-5 | |
| ITF M15 Monastir | 08/02 12:05 | 25 | Spiridon, Denis Constantin v 레이타노, 스테파노 | 2-6,6-2,5-7 | |
| ITF M15 Monastir | 07/31 13:00 | 62 | Spiridon, Denis Constantin v Donnet, Etienne | 3-6,0-6 | |
| ITF M15 Gubbio | 07/16 10:00 | 54 | Alessandro Battiston v Spiridon, Denis Constantin | 6-3,6-1 | |
| ITF M25 Uriage | 07/10 07:00 | 62 | Spiridon, Denis Constantin v Agostini, Simone | 7-5,4-6,2-10 | |
| ITF M15 Casablanca | 06/20 11:05 | 44 | Spiridon, Denis Constantin v 시울레티, 안드레스 가브리엘 | 6-7,5-7 | |
| ITF M15 Rabat | 06/13 09:00 | 44 | Spiridon, Denis Constantin v Charlelie Cosnet | 6-2,6-7,4-10 | |
| Tanger, Singles M-ITF-MAR-01A | 06/07 13:00 | 25 | 아호다, 왈리드 v Spiridon, Denis Constantin | 3-6,6-3,6-4 | |
| Tanger, Singles M-ITF-MAR-01A | 06/06 09:00 | 44 | Spiridon, Denis Constantin v Bogdan Seleznev | 6-4,6-1 | |
| Tanger, Singles M-ITF-MAR-01A | 06/05 09:00 | 44 | Spiridon, Denis Constantin v Cosimo Banti | 6-4,7-6 | |
| ITF M15 Addis Ababa | 05/23 07:45 | 25 | Spiridon, Denis Constantin v 데브, S D 프라지왈 | Retired | |
| ITF M15 Addis Ababa Qual | 05/22 09:25 | 54 | Spiridon, Denis Constantin v 발도비네티, 겔포 | 6-1,7-5 | |
| ITF M15 Addis Ababa | 05/20 05:50 | 28 | Spiridon, Denis Constantin v 반셀보임, 에릭 | 3-6,4-6 | |
| ITF M15 Addis Ababa | 05/19 07:50 | 27 | 이라두쿤다, 구이 올리 v Spiridon, Denis Constantin | 6-7,5-7 | |
| ITF M15 Addis Ababa | 05/18 08:15 | 26 | Spiridon, Denis Constantin v van Wyk, Kris | 7-6,6-3 | |
| ITF M15 Addis Ababa | 05/17 09:30 | 25 | 아가라왈, 퍼스 v Spiridon, Denis Constantin | 5-7,2-6 | |
| ITF M15 Addis Ababa | 05/15 09:25 | 54 | Spiridon, Denis Constantin v 마르코비치, 라자르 | 6-0,6-3 | |
| ITF M15 Addis Ababa | 05/14 07:00 | 54 | Spiridon, Denis Constantin v Patrick Toman | 6-0,6-0 | |
| ITF M15 Monastir | 03/27 08:30 | 62 | 레코, 알렉산드레 v Spiridon, Denis Constantin | 5-7,6-1,10-3 | |
| ITF M15 Antalya | 03/07 07:00 | 19 | Spiridon, Denis Constantin v 드 빈센티스, 마테오 | 5-7,0-6 | |
| ITF M15 Antalya | 03/06 08:50 | 62 | Spiridon, Denis Constantin v Mirko Lagasio | 6-4,7-6 | |
| ITF M15 Antalya | 03/05 06:30 | 62 | Florig, Philip v Spiridon, Denis Constantin | 3-6,6-7 |