| UTR Pro Tennis Series Florida | 2021/08/19 14:30 | 야츠크, 이반 v Buse, Ignacio | 3-6,6-4,1-5 |
| UTR Pro Tennis Series Florida | 2021/08/18 14:30 | 반 엠부르그, 제이크 v 야츠크, 이반 | 4-6,6-4,7-5 |
| UTR Pro Tennis Series Florida | 2021/08/17 16:00 | Kyle Frankel v 야츠크, 이반 | 6-1,1-3 |
| UTR Pro Tennis Series Atlanta | 2021/07/16 15:29 | 야츠크, 이반 v 판타 헤레로스, 조르지 브리안 | 4-6,2-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/16 12:00 | 야츠크, 이반 v 빌라누에바, 곤잘로 | 6-1,6-4 |
| UTR Pro Tennis Series Atlanta | 2021/07/15 15:00 | 야츠크, 이반 v Shubladze, Vazha | 4-6,7-6,6-0 |
| UTR Pro Tennis Series Atlanta | 2021/07/11 20:45 | 야츠크, 이반 v William Mroz Mroz | 3-6,7-6,4-5 |
| UTR Pro Tennis Series Florida | 2021/06/12 13:30 | Mccormick, Tristan v 야츠크, 이반 | 4-6,6-4,7-6 |
| UTR Pro Tennis Series Florida | 2021/08/19 12:00 | 반 엠부르그, 제이크 v Mateo Barreiros Reyes | 6-2,6-4 |
| UTR Pro Tennis Series Florida | 2021/08/18 13:00 | Kyle Frankel v Mateo Barreiros Reyes | 6-3,2-6,6-6 |
| UTR Pro Tennis Series Florida | 2021/08/16 14:30 | Buse, Ignacio v Mateo Barreiros Reyes | 3-6,6-7 |
| ITF M25 Guayaquil | 2021/08/02 14:00 | Mateo Barreiros Reyes v 케슬러, 맥클레인 | 4-6,6-3,8-10 |
| ITF M25 Portoviejo | 2021/07/28 16:00 | Mateo Barreiros Reyes v Lama, Gonzalo | 3-6,4-6 |
| ITF M25 Portoviejo | 2021/07/26 20:10 | 고메즈, 마테오 v Mateo Barreiros Reyes | 6-7,6-7 |
| ITF M25 Portoviejo | 2021/07/26 14:30 | Mateo Barreiros Reyes v 케슬러, 맥클레인 | 6-1,6-1 |
| ITF M25 Santo Domingo | 2021/06/06 15:00 | 자추크, 로난 v Mateo Barreiros Reyes | 6-4,6-1 |