| ITF M15 Antalya | 2025/03/05 06:30 | Robert Guna v Alexander Weis | 4-6,4-6 |
| ITF M15 Bucharest | 2025/02/12 11:55 | Robert Guna v Ewen Lumsden | 6-7,6-2,3-6 |
| ITF M15 Doha | 2024/12/09 12:00 | Nikola Milojevic v Robert Guna | 7-6,6-4 |
| ITF M15 Targu Mures | 2024/09/23 07:00 | Robert Guna v Matei F Breazu | 4-6,6-2,6-10 |
| ITF M15 Targu Mures | 2024/09/22 10:00 | Robert Guna v Marc Ros Mesas | 4-6,4-6 |
| ITF M15 Constanta | 2024/09/04 08:20 | Robert Guna v Giacomo Crisostomo | 0-6,6-4,4-6 |
| ITF M15 Constanta | 2024/09/03 06:30 | Maties Torres Ramis v Robert Guna | 1-6,6-3,2-10 |
| ITF M15 Constanta | 2024/09/02 10:00 | Robert Guna v Artem Lyapshin | 6-3,6-1 |
| ITF M15 Monastir | 2025/03/18 11:30 | Rares Teodor Pieleanu v Jan Kumstat | 2-6,0-0 |
| ITF M15 Monastir | 2025/03/12 08:30 | Aaron Funk v Rares Teodor Pieleanu | 6-3,6-4 |
| UTR Pro Bucharest | 2025/02/23 07:00 | Rares Teodor Pieleanu v Stefan Adrian Andreescu | 4-6,3-6 |
| UTR Pro Bucharest | 2025/02/22 10:10 | Karol Filar v Rares Teodor Pieleanu | 4-6,6-0,4-6 |
| UTR Pro Bucharest | 2025/02/21 11:05 | David Schwarc v Rares Teodor Pieleanu | 6-3,2-6,1-6 |
| UTR Pro Bucharest | 2025/02/20 08:35 | Gheorghe Claudiu Schinteie v Rares Teodor Pieleanu | 6-4,4-6,1-6 |
| UTR Pro Bucharest | 2025/02/19 09:00 | Dan Alexandru Tomescu v Rares Teodor Pieleanu | 3-6,1-6 |
| UTR Pro Bucharest | 2025/02/17 07:00 | Rafael Grosu v Rares Teodor Pieleanu | 1-6,6-7 |