| ITF M15 Antalya | 04/25 08:15 | 26 | Denis Constantin Spiridon v Kuzey Cekirge | 3-6,1-6 | |
| ITF M15 Antalya | 04/24 09:45 | 25 | Filip Cristian Jianu v Denis Constantin Spiridon | Retired | |
| ITF M15 Antalya | 04/23 07:00 | 62 | Denis Constantin Spiridon v Biagio Gramaticopolo | 7-6,6-1 | |
| ITF M15 Antalya | 04/22 10:50 | 62 | Denis Constantin Spiridon v Mikhail Korovin | Retired | |
| ITF M15 Antalya | 04/21 07:00 | 62 | Denis Constantin Spiridon v S Mert Ozdemir | 6-7,6-3,10-8 | |
| ITF M15 Antalya | 04/18 10:00 | 26 | Kokoro Isomura v Denis Constantin Spiridon | 6-4,7-5 | |
| ITF M15 Antalya | 04/17 09:55 | 25 | Denis Constantin Spiridon v Yanaki Milev | 4-6,6-3,7-6 | |
| ITF M15 Antalya | 04/16 08:25 | 62 | Denis Constantin Spiridon v Geni Inoue | 7-6,6-3 | |
| ITF M15 Antalya | 04/15 08:35 | 62 | Denis Constantin Spiridon v Josh Reid | 6-4,6-0 | |
| ITF M25 Santa Margherita | 04/02 13:45 | 25 | Tommaso Compagnucci v Denis Constantin Spiridon | 7-5,6-2 | |
| ITF M25 Santa Margherita | 04/01 07:30 | 54 | Denis Constantin Spiridon v Alessandro Spadola | 6-3,4-6,10-8 | |
| ITF M25 Santa Margherita | 03/26 11:30 | 25 | Ergi Kirkin v Denis Constantin Spiridon | 6-4,7-6 | |
| ITF M25 Santa Margherita | 03/25 08:20 | 19 | Denis Constantin Spiridon v Marcel Marlon Sudzum | 6-0,6-1 | |
| ITF M15 Monastir | 03/13 10:30 | 25 | Denis Constantin Spiridon v Romain Faucon | 2-6,2-6 | |
| ITF M25 Antalya | 02/13 11:00 | 62 | Denis Constantin Spiridon v Louroi Martinez | 6-4,3-6,7-10 | |
| ITF M25 Antalya | 02/12 10:55 | 62 | Denis Constantin Spiridon v Jacques-Kai Inoue | 6-3,6-3 | |
| ITF M25 Antalya | 02/07 10:50 | 25 | Nick Hardt v Denis Constantin Spiridon | Retired | |
| ITF M25 Antalya | 02/06 07:00 | 62 | Denis Constantin Spiridon v Pengyu Lu | 6-2,6-4 | |
| ITF M25 Antalya | 02/05 12:00 | 62 | Denis Constantin Spiridon v Tommaso Schold | 6-0,7-5 | |
| ITF M25 Antalya | 02/04 07:00 | 62 | Denis Constantin Spiridon v Razvan M Codescu | 7-5,6-2 | |
| ITF M25 Antalya | 01/30 10:25 | 25 | Bautista Vilicich v Denis Constantin Spiridon | 6-3,6-2 | |
| ITF M25 Heraklion | 11/28 15:05 | 25 | Denis Constantin Spiridon v Michael Zhu | 3-6,6-1,0-6 | |
| ITF M15 Irákleio | 11/19 11:00 | 62 | Denis Constantin Spiridon v Nazar Oliynykov | 6-1,3-6,5-10 | |
| ITF M15 Selva Gardena | 10/30 08:00 | 45 | Denis Constantin Spiridon v Nicola Rispoli | 5-7,3-6 | |
| ITF M25 Santa Margherita | 10/23 08:00 | 19 | Denis Constantin Spiridon v Giammarco Gandolfi | 6-7,1-6 | |
| ITF M25 Santa Margherita | 10/22 08:00 | 54 | Denis Constantin Spiridon v Giulio Colacioppo | 6-3,2-6,10-5 | |
| ITF M25 Santa Margherita | 10/18 08:00 | 26 | Salvatore Caruso v Denis Constantin Spiridon | 6-3,6-1 | |
| ITF M25 Santa Margherita | 10/17 10:05 | 25 | Denis Constantin Spiridon v Mario Nicosia | 6-0,6-0 | |
| ITF M25 Santa Margherita | 10/16 08:00 | 54 | Denis Constantin Spiridon v Benjamin Loccisano | 7-6,6-3 | |
| ITF M25 Santa Margherita | 10/15 08:00 | 54 | Denis Constantin Spiridon v Niccolo Dessi | 6-2,3-6,10-4 |