Stadium: Court 5 Round: 26 Ground: Clay
| ITF M15 Antalya | 2021/04/20 07:00 | Tiago Cacao v Oleksii Krutykh | 6-1,4-6,6-1 |
| ITF M15 Antalya | 2021/04/14 08:40 | Andrea Basso v Tiago Cacao | 6-1,6-0 |
| Challenger Oeiras | 2021/04/09 14:55 | Goncalo Oliveira v Tiago Cacao | 7-5,6-2 |
| Challenger Oeiras | 2021/04/08 13:00 | Mischa Zverev v Tiago Cacao | 3-6,6-1,6-7 |
| Challenger Oeiras | 2021/04/06 10:35 | Tiago Cacao v Tristan Lamasine | 6-2,6-4 |
| Challenger Oeiras | 2021/04/02 12:00 | Tiago Cacao v Zdenek Kolar | 3-6,2-6 |
| Challenger Oeiras | 2021/04/01 12:00 | Mats Moraing v Tiago Cacao | 6-4,2-6,5-7 |
| Challenger Oeiras | 2021/03/30 12:35 | Duckhee Lee v Tiago Cacao | 3-6,4-6 |
| Challenger Belgrade | 2021/04/11 13:00 | Andrej Martin v Marko Tepavac | 1-6,7-6,7-5 |
| ITF M15 Sharm El Sheikh | 2021/02/12 09:20 | Marek Gengel v Marko Tepavac | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2021/02/11 07:30 | Marko Tepavac v Sandro Ehrat | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2021/02/10 08:55 | Paul Jubb v Marko Tepavac | 3-6,7-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/02/05 07:30 | Marko Tepavac v Arnaud Bovy | 6-7,6-3,2-6 |
| ITF M15 Sharm El Sheikh | 2021/02/04 10:10 | Tobias Simon v Marko Tepavac | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/02/03 11:35 | Giorgio Ricca v Marko Tepavac | 2-6,3-6 |
| Eastern European Championship | 2020/07/28 10:45 | Marko Tepavac v Daniil Savelev | 6-1,6-0 |