Stadium: Hard Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/11/07 11:00 | Paulo Knippling v Christopher Patzanovsky | 2-6,2-6 |
| ITF M25 Portimao | 2021/10/25 11:55 | Paulo Knippling v Jaime Faria | 3-6,2-6 |
| ITF M25 Loule | 2021/10/10 12:00 | Paulo Knippling v Keanu Elias Immler | 4-6,2-6 |
| ITF M25 Sintra | 2021/09/15 11:55 | Santiago Rodriguez Taverna v Paulo Knippling | 6-0,6-0 |
| ITF M25 Sintra | 2021/09/08 12:45 | Jesse Flores v Paulo Knippling | 6-1,6-1 |
| ITF M15 Oldenzaal | 2021/08/15 14:00 | Guy Den Heijer v Paulo Knippling | 6-3,6-4 |
| ITF M15 Monastir | 2021/07/26 09:00 | Drew Baird v Paulo Knippling | 6-1,6-3 |
| ITF M15 Antalya | 2021/05/30 07:30 | Paulo Knippling v Daniil Savelev | 3-6,1-6 |
| ITF M15 Heraklion | 2021/11/02 07:00 | Evangelos Kypriotis v Alan Gleeson | 2-6,7-6,10-7 |
| ITF M25 Sintra | 2021/09/06 10:05 | Diego F Flores v Alan Gleeson | 6-3,6-3 |
| ITF M15 Bad Waltersdorf | 2021/08/29 09:00 | Alan Gleeson v Michalis Sakellaridis | 3-6,6-7 |
| ITF M15 Bad Waltersdorf | 2021/08/22 07:00 | Alan Gleeson v Fletcher Scott | 1-6,2-6 |
| ITF M15 Heraklion | 2019/11/03 10:00 | Alan Gleeson v Hasan Ibrahim | 0-6,1-6 |
| ITF M25 Tavira | 2019/09/30 11:30 | Alan Gleeson v Ying Hou | 5-7,2-6 |
| ITF M15 Sao Bras Alportel | 2019/09/01 11:00 | Rhys Searant v Alan Gleeson | 4-6,6-3,11-9 |
| ITF M25 Dublin | 2019/07/31 15:00 | Matija Pecotic v Alan Gleeson | 6-4,6-1 |