| Challenger Turin | 05/13 11:55 | 14 | Spiridon, Denis Constantin v 펠레그리노, 안드레아 | 2-6,4-6 | |
| ITF M15 Antalya | 04/25 08:15 | 26 | Spiridon, Denis Constantin v 세키르지, 쿠제이 | 3-6,1-6 | |
| ITF M15 Antalya | 04/24 09:45 | 25 | Filip Cristian Jianu v Spiridon, Denis Constantin | Retired | |
| ITF M15 Antalya | 04/23 07:00 | 62 | Spiridon, Denis Constantin v Gramaticopolo, Biagio | 7-6,6-1 | |
| ITF M15 Antalya | 04/22 10:50 | 62 | Spiridon, Denis Constantin v 코로빈, 미카일 | Retired | |
| ITF M15 Antalya | 04/21 07:00 | 62 | Spiridon, Denis Constantin v Ozdemir, S Mert | 6-7,6-3,10-8 | |
| ITF M15 Antalya | 04/18 10:00 | 26 | Kokoro Isomura v Spiridon, Denis Constantin | 6-4,7-5 | |
| ITF M15 Antalya | 04/17 09:55 | 25 | Spiridon, Denis Constantin v Yanaki Milev | 4-6,6-3,7-6 | |
| ITF M15 Antalya | 04/16 08:25 | 62 | Spiridon, Denis Constantin v Geni Inoue | 7-6,6-3 | |
| ITF M15 Antalya | 04/15 08:35 | 62 | Spiridon, Denis Constantin v Reid, Josh | 6-4,6-0 | |
| ITF M25 Santa Margherita | 04/02 13:45 | 25 | Compagnucci, Tommaso v Spiridon, Denis Constantin | 7-5,6-2 | |
| ITF M25 Santa Margherita | 04/01 07:30 | 54 | Spiridon, Denis Constantin v Alessandro Spadola | 6-3,4-6,10-8 | |
| ITF M25 Santa Margherita | 03/26 11:30 | 25 | 키르킨, 이어지 v Spiridon, Denis Constantin | 6-4,7-6 | |
| ITF M25 Santa Margherita | 03/25 08:20 | 19 | Spiridon, Denis Constantin v 스드줌, 마르셀 마를론 | 6-0,6-1 | |
| ITF M15 Monastir | 03/13 10:30 | 25 | Spiridon, Denis Constantin v Romain Faucon | 2-6,2-6 | |
| ITF M25 Antalya | 02/13 11:00 | 62 | Spiridon, Denis Constantin v 마르티네즈, 로우로이 | 6-4,3-6,7-10 | |
| ITF M25 Antalya | 02/12 10:55 | 62 | Spiridon, Denis Constantin v Jacques-Kai Inoue | 6-3,6-3 | |
| ITF M25 Antalya | 02/07 10:50 | 25 | 하드트, 니크 v Spiridon, Denis Constantin | Retired | |
| ITF M25 Antalya | 02/06 07:00 | 62 | Spiridon, Denis Constantin v Pengyu Lu | 6-2,6-4 | |
| ITF M25 Antalya | 02/05 12:00 | 62 | Spiridon, Denis Constantin v Schold, Tommaso | 6-0,7-5 | |
| ITF M25 Antalya | 02/04 07:00 | 62 | Spiridon, Denis Constantin v 코데스쿠, 라즈반 마리우스 | 7-5,6-2 | |
| ITF M25 Antalya | 01/30 10:25 | 25 | 빌리치치, 보티스타 v Spiridon, Denis Constantin | 6-3,6-2 | |
| ITF M25 Heraklion | 11/28 15:05 | 25 | Spiridon, Denis Constantin v 주, 미가엘 | 3-6,6-1,0-6 | |
| ITF M15 Heraklion | 11/19 11:00 | 62 | Spiridon, Denis Constantin v Nazar Oliynykov | 6-1,3-6,5-10 | |
| ITF M15 Selva Gardena | 10/30 08:00 | 45 | Spiridon, Denis Constantin v 리스폴리, 니콜라 | 5-7,3-6 | |
| ITF M25 Santa Margherita | 10/23 08:00 | 19 | Spiridon, Denis Constantin v Giammarco Gandolfi | 6-7,1-6 | |
| ITF M25 Santa Margherita | 10/22 08:00 | 54 | Spiridon, Denis Constantin v Colacioppo, Giulio | 6-3,2-6,10-5 | |
| ITF M25 Santa Margherita | 10/18 08:00 | 26 | 카루소, 살바토르 v Spiridon, Denis Constantin | 6-3,6-1 | |
| ITF M25 Santa Margherita | 10/17 10:05 | 25 | Spiridon, Denis Constantin v Nicosia, Giuseppe Mario | 6-0,6-0 | |
| ITF M25 Santa Margherita | 10/16 08:00 | 54 | Spiridon, Denis Constantin v Loccisano, Benjamin | 7-6,6-3 |