Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Vejle | 2021/07/26 14:40 | Yannik Steinegger v Leonardo Catani | 5-7,6-2,10-4 |
| ITF M15 Vejle | 2021/07/25 11:00 | Pietro Schiavetti v Leonardo Catani | 2-6,0-6 |
| ITF M15 Perugia | 2021/07/18 11:30 | Leonardo Catani v Federico Bertuccioli | 4-6,2-6 |
| ITF M15 Gaiba | 2021/06/07 09:30 | Julien De Cuyper v Leonardo Catani | 6-3,6-3 |
| ITF M15 Cairo | 2021/05/04 07:55 | Rimpei Kawakami v Leonardo Catani | 7-5,6-0 |
| ITF M15 Cairo | 2021/05/03 12:30 | Leonardo Catani v Luka Petrovic | 7-6,1-6,10-3 |
| ITF M15 Cairo | 2021/05/02 08:00 | Michael Bassem Sobhy v Leonardo Catani | 2-6,3-6 |
| ITF M15 Cairo | 2021/04/25 07:30 | Yanais Laurent v Leonardo Catani | 6-3,2-6,10-3 |
| UTR Pro Tennis Series Copenhagen | 2021/06/19 08:30 | Dominik Palan v Henrik Heise Korsgaard | 6-7,5-2 |
| UTR Pro Tennis Series Copenhagen | 2021/06/18 08:00 | Henrik Atlevi v Henrik Heise Korsgaard | 0-6,3-6 |
| UTR Pro Tennis Series Copenhagen | 2021/06/17 08:00 | Maxim Landa v Henrik Heise Korsgaard | 1-6,4-6 |
| UTR Pro Tennis Series Copenhagen | 2021/06/16 09:30 | Sebastian Grundtvig Jorgensen v Henrik Heise Korsgaard | 6-3,6-5 |
| UTR Pro Tennis Series Copenhagen | 2021/06/14 09:30 | Sren Borup Wedege v Henrik Heise Korsgaard | 6-2,3-6,4-3 |
| ITF M15 Ystad | 2019/08/07 13:00 | Henrik Heise Korsgaard v Patrik Niklas-Salminen | 4-6,2-6 |
| ITF M15 Ystad | 2019/08/06 10:15 | Eric Ahren Moonga v Henrik Heise Korsgaard | 1-6,4-6 |
| ITF M15 Ystad | 2019/08/05 08:15 | Henrik Heise Korsgaard v Daniel Svensson | 6-2,6-1 |