Stadium: Court 8 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Santo Domingo | 2021/12/05 14:00 | Stefan Simeunovic v Jesus M Rosario | 6-1,6-2 |
| ITF M15 Guatemala | 2021/11/25 17:10 | Stefan Simeunovic v Taha Baadi | 6-7,4-6 |
| ITF M15 Guatemala | 2021/11/24 17:20 | Joshua Peck v Stefan Simeunovic | 3-6,6-4,2-6 |
| ITF M15 Guatemala | 2021/11/22 16:00 | Anshumat Srivastava v Stefan Simeunovic | 0-6,0-6 |
| ITF M15 Guatemala | 2021/11/21 16:00 | Stefan Simeunovic v Ying-Ze Chen | 6-4,7-6 |
| ITF M15 Jerusalem | 2021/05/10 07:00 | Karlo Cubelic v Stefan Simeunovic | 6-1,6-1 |
| ITF M15 Ramat Hasharon | 2021/05/02 07:00 | Stefan Simeunovic v Roee Benya | 3-6,4-6 |
| ITF M25 Santo Domingo | 2021/12/05 14:00 | Juan Luis Yanine v Matthew Foster-Estwick | 2-6,6-4,10-6 |
| ITF M25 Santo Domingo | 2021/11/29 14:00 | Toby D. Boyer v Juan Luis Yanine | 6-2,6-2 |
| ITF M25 Santo Domingo | 2021/11/28 13:30 | Juan Luis Yanine v Ivo Cimino | 6-1,3-6,10-4 |
| ITF M15 Cochabamba | 2021/11/15 17:50 | Gonzalo Achondo v Juan Luis Yanine | 6-4,6-4 |