| ITF M15 - Antalya | 02/28 07:00 | 62 | Andrea Bacaloni v Denis Constantin Spiridon | 4-6,6-1,10-6 | |
| ITF M15 - Antalya | 02/27 08:20 | 62 | Joseph White v Denis Constantin Spiridon | 5-7,3-6 | |
| ITF M15 - Antalya | 02/26 07:00 | 62 | Enes Donmezer v Denis Constantin Spiridon | 3-6,0-6 | |
| ITF M15 - Antalya | 02/21 07:00 | 62 | Samuele Pieri v Denis Constantin Spiridon | 6-1,6-4 | |
| ITF M15 - Antalya | 02/20 11:20 | 62 | Enzo Lima v Denis Constantin Spiridon | 3-6,2-6 | |
| ITF M15 - Monastir | 12/01 09:45 | 26 | Alexis Gautier v Denis Constantin Spiridon | 6-1,6-1 | |
| ITF M15 - Monastir | 11/30 14:40 | 25 | Denis Constantin Spiridon v Stefano Reitano | 3-6,7-6,6-1 | |
| ITF M15 - Monastir | 11/28 11:30 | 54 | Luca Tomasetto v Denis Constantin Spiridon | 1-6,4-6 | |
| ITF M15 - Monastir | 11/23 11:20 | 25 | Gabriele Moghini v Denis Constantin Spiridon | 6-3,6-4 | |
| ITF M15 - Monastir | 11/21 08:00 | 54 | Denis Constantin Spiridon v Hugo Ouzilou | 6-4,6-2 | |
| ITF M15 - Monastir | 11/20 08:30 | 54 | Denis Constantin Spiridon v Federico Bove | 6-3,6-1 | |
| ITF M15 - Selva Gardena | 10/31 12:10 | 54 | Denis Constantin Spiridon v Edison Ambarzumjan | 3-6,1-6 | |
| ITF M15 - Selva Gardena | 10/30 17:35 | 54 | Denis Constantin Spiridon v Federico Valle | 6-1,7-6 | |
| ITF M15 - Parnu | 10/25 07:30 | 54 | Denis Constantin Spiridon v Vesa Ahti | 2-6,4-6 | |
| ITF M15 - Maputo | 10/10 07:30 | 54 | Denis Constantin Spiridon v Taym Alazmeh | 2-6,6-4,6-10 | |
| ITF M15 - Maputo | 10/06 09:15 | 26 | Kris Van Wyk v Denis Constantin Spiridon | 6-3,6-2 | |
| ITF M15 - Maputo | 10/04 07:30 | 25 | Mattias Southcombe v Denis Constantin Spiridon | 3-6,4-6 | |
| ITF M15 - Maputo | 10/03 11:00 | 54 | Denis Constantin Spiridon v Vasilios Caripi | 6-1,6-3 | |
| ITF M15 - Maputo | 10/02 10:00 | 54 | Denis Constantin Spiridon v Luca Hesselmann | 6-2,6-2 | |
| ITF M15 - Monastir | 09/05 08:00 | 62 | Denis Constantin Spiridon v Tom Evans | 5-7,6-3,8-10 | |
| ITF M15 - Monastir | 09/04 10:30 | 62 | Denis Constantin Spiridon v Mohamed El Hafedh Said | 6-1,6-1 | |
| ITF M15 - Monastir | 08/31 15:00 | 25 | Denis Constantin Spiridon v Maxim Zhukov | 2-6,2-6 | |
| ITF M15 - Monastir | 08/30 09:00 | 62 | Jinpeng Tang v Denis Constantin Spiridon | 7-5,4-6,5-10 | |
| ITF M15 - Monastir | 08/29 09:00 | 62 | Denis Constantin Spiridon v Francois Musitelli | Walkover | |
| ITF M15 - Lambermont | 08/24 12:35 | 25 | Denis Constantin Spiridon v Elmer Moller | 2-6,4-6 | |
| ITF M15 - Lambermont | 08/22 10:15 | 44 | Denis Constantin Spiridon v Tim Loosen | 3-6,6-1,13-11 | |
| ITF M15 - Lambermont | 08/22 08:00 | 44 | Lars Goran Verwerft v Denis Constantin Spiridon | 2-6,4-6 | |
| ITF M15 - Lambermont | 08/21 08:00 | 44 | Denis Constantin Spiridon v Shunsuke Wakita | 6-3,6-2 | |
| ITF M15 - Malmö | 08/15 08:15 | 54 | Adam Heinonen v Denis Constantin Spiridon | 7-5,6-1 | |
| ITF M15 - Parnu | 08/02 07:15 | 54 | William Grant v Denis Constantin Spiridon | 6-3,6-3 |