Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Doha | 2024/01/16 13:50 | Simon Beaupain v Dan Alexandru Tomescu | 5-7,6-4,1-6 |
| ITF M15 Doha | 2024/01/10 14:25 | Aleksandre Bakshi v Dan Alexandru Tomescu | 6-4,6-4 |
| Challenger Maspalomas | 2023/11/27 12:10 | Kilian Feldbausch v Dan Alexandru Tomescu | 6-1,6-4 |
| Challenger Maspalomas | 2023/11/26 15:20 | Pedro Iamachkine v Dan Alexandru Tomescu | 6-4,1-6,2-6 |
| ITF M25 Antalya | 2023/11/21 10:45 | Dan Alexandru Tomescu v Sarp Agabigun | 6-2,6-7,6-7 |
| ITF M25 Antalya | 2023/11/17 07:30 | Tim Handel v Dan Alexandru Tomescu | 6-3,6-0 |
| ITF M25 Antalya | 2023/11/16 07:00 | Dan Alexandru Tomescu v Gabriele Pennaforti | 7-6,6-4 |
| ITF M25 Antalya | 2023/11/15 11:20 | Tuncay Duran v Dan Alexandru Tomescu | 6-3,0-6,1-6 |
| ITF M25 Doha | 2024/01/16 14:30 | Olaf Pieczkowski v Yanki Erel | 2-6,6-3,6-3 |
| ITF M15 Doha | 2024/01/12 10:55 | Yanki Erel v Olaf Pieczkowski | 6-3,3-6,6-2 |
| ITF M15 Doha | 2024/01/11 11:55 | Aleksandre Bakshi v Olaf Pieczkowski | 3-6,1-6 |
| ITF M15 Doha | 2024/01/10 12:00 | Evgeny Karlovskiy v Olaf Pieczkowski | 6-4,4-6,4-6 |
| ITF M15 Limassol | 2023/11/25 08:00 | Jakub Nicod v Olaf Pieczkowski | 6-2,5-7,6-2 |
| ITF M15 Limassol | 2023/11/24 10:00 | Sebastian Sorger v Olaf Pieczkowski | 6-4,2-6,3-6 |
| ITF M15 Limassol | 2023/11/23 09:25 | Kevin Edengren v Olaf Pieczkowski | 3-6,1-6 |
| ITF M15 Limassol | 2023/11/22 13:15 | Christopher Papa v Olaf Pieczkowski | 6-7,0-6 |