Stadium: Court 3 Round: 44 Ground: Clay
| ITF M25 Velenje | 2021/07/05 16:20 | Goldsteiner, Peter v Roko Horvat | 7-6,6-4 |
| ITF M25 Velenje | 2021/07/04 07:30 | Schiavetti, Pietro v Roko Horvat | 6-2,3-6,6-10 |
| UTR Pro Tennis Series Zadar | 2021/07/03 07:00 | Matija Pecotic v Roko Horvat | 6-3,5-4 |
| UTR Pro Tennis Series Zadar | 2021/07/01 08:00 | Roko Horvat v Petrenko, Anatoliy | 6-2,6-1 |
| UTR Pro Tennis Series Zadar | 2021/06/30 12:30 | Roko Horvat v Shyla, Yaraslau | 5-7,6-3,3-5 |
| UTR Pro Tennis Series Zadar | 2021/06/29 09:30 | Roko Horvat v Elijah Poritzky | 6-0,6-3 |
| UTR Pro Tennis Series Zadar | 2021/06/28 11:00 | Roko Horvat v Oumaouche, Rayane | 6-3,5-0 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/16 10:00 | Roko Horvat v Amaury Raynel | 6-7,3-6 |
| ITF M25 Velenje | 2021/07/05 09:00 | Nincevic, Frane v Nicolas Bruna | 5-7,7-6,11-9 |
| ITF M25 Velenje | 2021/07/04 07:30 | Nicolas Bruna v Martin Benes | 6-2,7-5 |
| ITF M25 Belgrade | 2021/06/28 10:00 | Nicolas Bruna v Gorazd Srbljak | 2-6,3-6 |
| ITF M25 Belgrade | 2021/06/27 12:00 | Nicolas Bruna v Aleksandar Mihailovic | 7-6,6-0 |
| ITF - M15 Monastir | 2021/06/21 08:00 | Aidan Mayo v Nicolas Bruna | 6-4,7-6 |
| ITF - M15 Monastir | 2021/06/20 10:30 | Nicolas Bruna v Gurevich, Victor | 7-6,6-3 |
| ITF - M15 Monastir | 2021/06/13 09:00 | Gregg, Perry v Nicolas Bruna | 6-3,2-6,19-17 |
| ITF - M15 Monastir | 2021/06/07 08:00 | Gimenez, J. v Nicolas Bruna | 1-6,7-6,10-7 |