Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/01/03 08:00 | Facundo Yunis v Luca Moro Almeida | 6-1,6-1 |
| ITF M15 Sharm El Sheikh | 2021/01/31 07:00 | Karlo Cubelic v Lukas Palovic | 6-3,3-6,1-10 |
| ITF M15 Bressuire | 2021/01/17 11:05 | Karlo Cubelic v Tom Schonenberg | 4-6,4-6 |
| German Championship | 2020/12/07 16:30 | Karlo Cubelic v Hendrik Jebens | 3-6,6-7 |
| ITF M15 Sarreguemines | 2020/10/28 08:55 | Karlo Cubelic v Sandro Ehrat | 2-6,4-6 |
| ITF M15 Sarreguemines | 2020/10/26 15:35 | Kai Lemstra v Karlo Cubelic | 4-6,7-5,8-10 |
| ITF M15 Sarreguemines | 2020/10/25 16:20 | Karlo Cubelic v Adil Kalyanpur | 6-2,6-3 |
| ITF M15 Forbach | 2020/09/30 08:30 | Karlo Cubelic v Daniele Capecchi | 1-6,6-1,5-7 |
| ITF M15 Forbach | 2020/09/28 14:00 | Alafia Ayeni v Karlo Cubelic | 7-5,4-6,8-10 |