| ITF M25 Lujan | 09/26 15:10 | 25 | Barreiros Reyes, Mateo v Felipe De Dios | 6-1,6-2 | |
| ITF M15 Punta del Este | 09/22 14:00 | 27 | 론카델리, 프란코 v Barreiros Reyes, Mateo | 6-2,6-4 | |
| ITF M15 Punta del Este | 09/21 12:55 | 26 | 시모니트, 에제퀴엘 v Mateo Barreiros Reyes | 5-7,2-6 | |
| ITF M15 Punta del Este | 09/19 15:00 | 25 | Tosetto, Rafael v Barreiros Reyes, Mateo | 7-5,6-1 | |
| Challenger Santa Cruz | 09/10 17:10 | 14 | Barreiros Reyes, Mateo v Lilov, Victor | 5-7,7-6,3-6 | |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 08/29 13:00 | 25 | 빌라누에바, 곤잘로 v Barreiros Reyes, Mateo | 6-4,7-5 | |
| Sao Paulo, Singles M-ITF-BRA-06A | 08/24 14:00 | 26 | Tosetto, Rafael v Barreiros Reyes, Mateo | 6-4,2-6,7-6 | |
| Sao Paulo, Singles M-ITF-BRA-06A | 08/23 14:00 | 25 | Enzo Lima v Barreiros Reyes, Mateo | 3-6,1-6 | |
| ITF M15 Belem | 08/19 19:00 | 28 | Barreiros Reyes, Mateo v 소아레스 클리어, 길베르트 | 2-6,3-6 | |
| ITF M15 Belem | 08/18 19:00 | 27 | Barreiros Reyes, Mateo v 야마시타, 페르난도 | 6-4,6-4 | |
| ITF M15 Belem | 08/17 16:50 | 26 | Barreiros Reyes, Mateo v Enzo Lima | Retired | |
| ITF M15 Belem | 08/16 17:00 | 25 | Barreiros Reyes, Mateo v Lucca Pinto | 2-6,6-4,6-2 | |
| Santo Domingo, Dominican Republic | 08/06 16:20 | 14 | Barreiros Reyes, Mateo v 오구라, 코스케 | Walkover | |
| ITF M15 Raanana | 08/01 07:00 | 25 | Barreiros Reyes, Mateo v 기나트, 로이 | 5-7,4-6 | |
| ITF M25 Brazzaville | 07/29 13:10 | 28 | 헤메리, 칼빈 v Barreiros Reyes, Mateo | 3-6,6-3,7-6 | |
| ITF M25 Brazzaville | 07/28 09:00 | 27 | 에크발, 이사크 v Barreiros Reyes, Mateo | 1-6,2-6 | |
| ITF M25 Brazzaville | 07/27 09:00 | 26 | 페레즈, 브란던 v Barreiros Reyes, Mateo | 3-6,2-6 | |
| ITF M25 Brazzaville | 07/25 11:55 | 25 | Barreiros Reyes, Mateo v 델라지, 피에레 | 7-6,4-6,7-6 | |
| ITF M25 Brazzaville | 07/20 09:00 | 26 | 아가르왈, 리사브 v Barreiros Reyes, Mateo | 6-3,6-2 | |
| ITF M25 Brazzaville | 07/19 09:00 | 25 | 마하데반, 아르준 v Mateo Barreiros Reyes | 3-6,2-6 | |
| ITF M15 Casablanca | 06/28 12:05 | 25 | 헤르난데즈, 칼레스 v Barreiros Reyes, Mateo | 6-1,4-6,7-5 | |
| ITF M15 Casablanca | 06/21 09:00 | 25 | 발제라니, 리카르도 v Barreiros Reyes, Mateo | 6-2,4-6,6-4 | |
| ITF M15 Casablanca | 06/20 09:00 | 44 | Barreiros Reyes, Mateo v Nikos Lehmann | 3-6,6-2,10-3 | |
| ITF M15 Casablanca | 06/19 09:00 | 44 | Mateo Barreiros Reyes v 브루나, 에스테반 | 6-2,4-6,10-7 | |
| ITF M15 Rabat | 06/15 10:45 | 26 | 카로우, 이그나시오 v Mateo Barreiros Reyes | 2-6,6-1,6-0 | |
| ITF M15 Rabat | 06/14 09:30 | 25 | Barreiros Reyes, Mateo v 소렌티노, 루이기 | 7-6,7-6 | |
| ITF M15 Rabat | 06/13 09:00 | 44 | Barreiros Reyes, Mateo v 칼데스, 자임 | 6-3,7-6 | |
| Tanger, Singles M-ITF-MAR-01A | 06/07 13:00 | 25 | 데놀리, 코렌틴 v Barreiros Reyes, Mateo | 6-2,6-1 | |
| Tanger, Singles M-ITF-MAR-01A | 06/06 08:55 | 44 | Barreiros Reyes, Mateo v Juan Estevez | 6-4,6-4 | |
| ITF M15 Mogi das Cruzes | 04/26 14:45 | 25 | 론카델리, 프란코 v Barreiros Reyes, Mateo | 6-1,6-3 |