Stadium: Court 11 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Bacau | 2021/08/17 06:55 | Petru-Alexandru Luncanu v Ilya Snitari | 4-6,2-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/04 08:30 | Juan Pablo Paz v Petru-Alexandru Luncanu | 6-3,6-1 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 06:00 | Tudor Vlad Vasilache v Petru-Alexandru Luncanu | 1-6,0-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 15:00 | Facundo Juarez v Petru-Alexandru Luncanu | 6-7,4-5 |
| UTR Pro Tennis Series Bucharest | 2021/05/30 13:00 | Gheorghe Claudiu Schinteie v Petru-Alexandru Luncanu | 4-6,1-5 |
| ITF M15 Bucharest | 2021/05/25 12:30 | Quentin Folliot v Petru-Alexandru Luncanu | 6-3,6-1 |
| ITF M15 Bucharest | 2021/05/24 09:30 | Adrian Mateo Bejenaru v Petru-Alexandru Luncanu | 6-3,1-6,4-10 |
| ITF M15 Bucharest | 2021/05/23 11:30 | Tudor S Gheorghita v Petru-Alexandru Luncanu | 2-6,2-6 |
| ITF M15 Bratislava | 2021/08/17 08:00 | Leyton Rivera v Tomas Lanik | 6-7,2-6 |
| ITF M15 Frederiksberg | 2021/08/04 09:25 | Ryan Nijboer v Leyton Rivera | 6-4,6-2 |
| ITF M15 Frederiksberg | 2021/08/02 11:05 | Nazim Makhlouf v Leyton Rivera | 3-6,6-3,3-10 |
| ITF M15 Frederiksberg | 2021/08/01 10:00 | Eirik Groener v Leyton Rivera | 2-6,5-7 |
| ITF M15 Poprad | 2021/07/05 08:00 | Dominik Palan v Leyton Rivera | 6-3,6-2 |
| ITF M15 Poprad | 2021/07/04 11:00 | Samo Polakovic v Leyton Rivera | 4-6,6-0,4-10 |
| ITF M15 Skopje | 2021/06/07 13:00 | Toby Martin v Leyton Rivera | 7-6,5-7,11-9 |
| ITF M15 Novomoskovsk | 2021/05/31 10:00 | Leyton Rivera v Dzianis Zharyn | 6-7,2-6 |