| ITF M15 Antalya | 03/05 06:30 | 62 | Florig, Philip v Spiridon, Denis Constantin | 3-6,6-7 | |
| ITF M15 Antalya | 02/28 07:00 | 62 | Andrea Bacaloni v Spiridon, Denis Constantin | 4-6,6-1,10-6 | |
| ITF M15 Antalya | 02/27 08:20 | 62 | White, Joseph v Spiridon, Denis Constantin | 5-7,3-6 | |
| ITF M15 Antalya | 02/26 07:00 | 62 | Donmezer, Enes v Spiridon, Denis Constantin | 3-6,0-6 | |
| ITF M15 Antalya | 02/21 07:00 | 62 | Samuele Pieri v Spiridon, Denis Constantin | 6-1,6-4 | |
| ITF M15 Antalya | 02/20 11:20 | 62 | Enzo Lima v Spiridon, Denis Constantin | 3-6,2-6 | |
| ITF M15 Monastir | 12/01 09:45 | 26 | 카우티엘, 알렉시스 v Spiridon, Denis Constantin | 6-1,6-1 | |
| ITF M15 Monastir | 11/30 14:40 | 25 | Spiridon, Denis Constantin v 레이타노, 스테파노 | 3-6,7-6,6-1 | |
| ITF M15 Monastir | 11/28 11:30 | 54 | 토마세토, 루카 v Spiridon, Denis Constantin | 1-6,4-6 | |
| ITF M15 Monastir | 11/23 11:20 | 25 | 모기니, 가브리엘 v Spiridon, Denis Constantin | 6-3,6-4 | |
| ITF M15 Monastir | 11/21 08:00 | 54 | Spiridon, Denis Constantin v Hugo Ouzilou | 6-4,6-2 | |
| ITF M15 Monastir | 11/20 08:30 | 54 | Spiridon, Denis Constantin v Bove, Federico | 6-3,6-1 | |
| ITF M15 Selva Gardena | 10/31 12:10 | 54 | Spiridon, Denis Constantin v Ambarzumjan, Edison | 3-6,1-6 | |
| ITF M15 Selva Gardena | 10/30 17:35 | 54 | Spiridon, Denis Constantin v Federico Valle | 6-1,7-6 | |
| ITF M15 Parnu | 10/25 07:30 | 54 | Spiridon, Denis Constantin v 아티, 베사 | 2-6,4-6 | |
| ITF M15 Maputo | 10/10 07:30 | 54 | Spiridon, Denis Constantin v Alazmeh, Taym | 2-6,6-4,6-10 | |
| ITF M15 Maputo | 10/06 09:15 | 26 | van Wyk, Kris v Spiridon, Denis Constantin | 6-3,6-2 | |
| ITF M15 Maputo | 10/04 07:30 | 25 | Mattias Southcombe v Spiridon, Denis Constantin | 3-6,4-6 | |
| ITF M15 Maputo | 10/03 11:00 | 54 | Spiridon, Denis Constantin v 카리피, 바실리오스 | 6-1,6-3 | |
| ITF M15 Maputo | 10/02 10:00 | 54 | Spiridon, Denis Constantin v Luca Hesselmann | 6-2,6-2 | |
| ITF M15 Monastir | 09/05 08:00 | 62 | Spiridon, Denis Constantin v Evans, Tom | 5-7,6-3,8-10 | |
| ITF M15 Monastir | 09/04 10:30 | 62 | Spiridon, Denis Constantin v Mohamed El Hafedh Said | 6-1,6-1 | |
| ITF M15 Monastir | 08/31 15:00 | 25 | Spiridon, Denis Constantin v Maxim Zhukov | 2-6,2-6 | |
| ITF M15 Monastir | 08/30 09:00 | 62 | Jinpeng Tang v Spiridon, Denis Constantin | 7-5,4-6,5-10 | |
| ITF M15 Monastir | 08/29 09:00 | 62 | Spiridon, Denis Constantin v Musitelli, F. | Walkover | |
| ITF M15 Lambermont | 08/24 12:35 | 25 | Spiridon, Denis Constantin v Moller, Elmer | 2-6,4-6 | |
| ITF M15 Lambermont | 08/22 10:15 | 44 | Spiridon, Denis Constantin v Tim Loosen | 3-6,6-1,13-11 | |
| ITF M15 Lambermont | 08/22 08:00 | 44 | Lars Goran Verwerft v Spiridon, Denis Constantin | 2-6,4-6 | |
| ITF M15 Lambermont | 08/21 08:00 | 44 | Spiridon, Denis Constantin v 와키타, 순스케 | 6-3,6-2 | |
| ITF M15 Malmo | 08/15 08:15 | 54 | 헤이노넨, 아담 v Spiridon, Denis Constantin | 7-5,6-1 |