Stadium: Court 13 Round: 19 Ground: Hardcourt outdoor
| Challenger Grodzisk Mazowiecki | 2023/08/13 14:50 | Saba Purtseladze v Niki Kaliyanda Poonacha | 4-6,2-6 |
| Challenger Cordenons | 2023/08/06 10:05 | Alex Barrena v Niki Kaliyanda Poonacha | 6-3,7-6 |
| Challenger Porto | 2023/07/31 12:40 | Kenny de Schepper v Niki Kaliyanda Poonacha | 6-2,6-4 |
| Challenger Porto | 2023/07/30 17:20 | Niki Kaliyanda Poonacha v Luca Potenza | 7-5,6-1 |
| Challenger Astana | 2023/07/25 09:45 | Rubin Statham v Niki Kaliyanda Poonacha | 6-1,6-4 |
| Challenger Astana | 2023/07/24 06:50 | Niki Kaliyanda Poonacha v Arslanbek Aitkulov | 6-1,6-3 |
| Challenger Astana | 2023/07/23 08:40 | Niki Kaliyanda Poonacha v Mustafa Dustov | 6-3,6-2 |
| ITF M15 Monastir | 2023/07/14 08:00 | Enzo Wallart v Niki Kaliyanda Poonacha | 6-3,6-0 |
| Challenger Grodzisk Mazowiecki | 2023/08/13 11:40 | David Poljak v Edas Butvilas | 3-6,7-6,7-6 |
| ITF M25 Herzlia | 2023/08/09 06:00 | David Poljak v Ron Ellouck | 4-6,4-6 |
| ITF M15 Monastir | 2023/07/26 11:40 | Cyril Vandermeersch v David Poljak | 7-6,6-1 |
| ITF M15 Monastir | 2023/07/18 09:30 | Egor Agafonov v David Poljak | 6-4,7-6 |
| ITF M25 Brasov | 2023/07/07 08:00 | David Poljak v Dragos Nicolae Madaras | 2-6,3-6 |
| ITF M25 Brasov | 2023/07/05 11:15 | David Poljak v Mihai Razvan Marinescu | 2-6,6-1,6-4 |
| ITF M25 Brasov | 2023/07/03 15:15 | David Poljak v Vasile Antonescu | 6-3,6-4 |
| ITF M15 Wroclaw | 2023/06/29 10:55 | Michal Mikula v David Poljak | 6-4,6-4 |