Stadium: Court 9 Round: 62 Ground: Clay
| ITF - M15 Monastir | 2021/06/15 08:30 | Lucio Carnevalle v Alexander Donski | 2-6,3-6 |
| ITF - M15 Monastir | 2021/06/07 12:30 | Tomas Farjat v Lucio Carnevalle | 6-2,7-5 |
| ITF - M15 Monastir | 2021/06/07 08:00 | Ben Fraj, Skander v Lucio Carnevalle | 3-6,1-6 |
| ITF - M15 Monastir | 2021/05/31 13:45 | Siddhant Banthia v Lucio Carnevalle | 6-3,6-3 |
| ITF - M15 Monastir | 2021/05/24 08:00 | Kim, Dong Ju v Lucio Carnevalle | 7-5,6-3 |
| ITF - M15 Monastir | 2021/05/23 10:30 | Vladimir Cherkovets v Lucio Carnevalle | 2-6,1-6 |
| ITF - M15 Monastir | 2021/05/17 09:00 | Romain Faucon v Lucio Carnevalle | 7-6,7-6 |
| ITF - M15 Monastir | 2021/05/16 09:00 | Lorenzo Ferri v Lucio Carnevalle | 2-6,3-6 |
| ITF M25 Velenje | 2021/07/05 12:15 | Cizelj-Zivkovic, Stefan v Lukas Palovic | 3-6,1-6 |
| ITF M25 Velenje | 2021/07/04 07:30 | Cizelj-Zivkovic, Stefan v Mania, Marco | 7-6,6-0 |
| ITF - M15 Tbilisi | 2021/05/17 05:30 | Aleksandr Braynin v Cizelj-Zivkovic, Stefan | 6-4,6-3 |
| ITF M15 Cairo | 2021/04/18 07:00 | Kawakami, Rimpei v Cizelj-Zivkovic, Stefan | 6-2,6-2 |
| ITF M15 Cairo | 2021/04/11 08:00 | Cizelj-Zivkovic, Stefan v Andrea Gola | 1-6,2-6 |
| ITF M15 La Nucia | 2021/03/08 08:00 | Cizelj-Zivkovic, Stefan v Deleersnyder, Clement | 2-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2021/01/31 13:30 | Luka Pavlovic v Cizelj-Zivkovic, Stefan | 6-1,6-2 |
| ITF - M15 Héraklion | 2020/02/23 08:00 | Cizelj-Zivkovic, Stefan v Ioannis Xilas | 3-6,3-6 |