Stadium: Hard 21 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2023/09/10 09:30 | Paulo Knippling v Adam Jurajda | 2-6,2-6 |
| ITF M25 Oldenzaal | 2023/08/28 13:00 | Paulo Knippling v Luca Matteo Sobbe | 0-6,6-7 |
| ITF M25 Oldenzaal | 2023/08/27 14:30 | Freek Van Donselaar v Paulo Knippling | 7-5,3-6,4-10 |
| ITF M15 Meerbusch | 2023/04/25 11:00 | Piet Steveker v Paulo Knippling | 4-6,7-5,6-2 |
| ITF M15 Sharm El Sheikh | 2023/03/26 08:00 | Paulo Knippling v Adam Blecha | 0-6,3-6 |
| ITF M25 Monastir | 2023/02/05 08:30 | Samuel M Arjona v Paulo Knippling | 6-4,6-3 |
| ITF M15 Monastir | 2022/12/04 10:00 | Leonardo Rossi v Paulo Knippling | 7-5,6-1 |
| ITF M15 Monastir | 2022/11/27 08:30 | Egor Agafonov v Paulo Knippling | 6-4,6-3 |
| ITF M25 Heraklion | 2023/11/09 09:50 | Sasa Markovic v Arthur Gea | 1-6,1-6 |
| ITF M25 Heraklion | 2023/11/08 14:15 | Sergis Kyratzis v Sasa Markovic | 4-6,3-6 |
| ITF M25 Heraklion | 2023/11/07 07:30 | Younes Lalami Laaroussi v Sasa Markovic | 3-6,4-6 |
| ITF M25 Heraklion | 2023/11/05 09:00 | Gianluca Coloma-Heck v Sasa Markovic | 2-6,2-6 |
| UTR Pro Beograd | 2023/10/12 08:04 | Andrej Nedic v Sasa Markovic | 6-2,6-5 |
| UTR Pro Beograd | 2023/10/10 07:30 | Egor Gorin v Sasa Markovic | 3-6,1-6 |
| UTR Pro Beograd | 2023/10/08 12:00 | Milan Drinic v Sasa Markovic | 4-6,2-6 |
| UTR Pro Beograd | 2023/10/07 11:06 | Sasa Markovic v Oleg Prihodko | 2-6,6-7 |