Ground: Clay
| Challenger Cali 2 | 2015/05/05 16:40 | Fernando Romboli v Ryusei Makiguchi | 1-6,6-3,7-5 |
| ITF Argentina F3 | 2015/03/23 14:00 | Ryusei Makiguchi v Federico Coria | 2-6,3-6 |
| ITF Argentina F2 | 2015/03/17 19:30 | Rodrigo Banzer v Ryusei Makiguchi | 3-6,2-6 |
| ITF Argentina F1 | 2015/03/12 15:00 | Nicolas Kicker v Ryusei Makiguchi | 6-4,6-0 |
| ITF Argentina F1 | 2015/03/11 19:00 | Franco Emanuel Egea v Ryusei Makiguchi | 2-6,3-6 |
| ITF Argentina F1 | 2015/03/10 16:45 | Alexandre Tsuchiya v Ryusei Makiguchi | 6-0,4-6,3-6 |
| Challenger Morelos Qual | 2015/02/15 19:00 | Connor Smith v Ryusei Makiguchi | 7-6,6-2 |
| ITF Chile F1 | 2014/12/10 18:00 | Ryusei Makiguchi v Tomas Lipovsek Puches | 2-6,1-6 |
| ITF Argentina F5 | 2015/05/12 13:00 | Juan Ignacio Ameal v Francisco Bahamonde | 4-6,4-6 |
| ITF Argentina F4 | 2015/05/05 17:55 | Luciano Doria v Juan Ignacio Ameal | 6-3,6-1 |
| ITF Chile F5 | 2015/04/23 16:25 | Juan Ignacio Ameal v Juan Ignacio Galarza | 4-6,6-1,7-6 |
| ITF Chile F5 | 2015/04/22 19:15 | Franco Moral v Juan Ignacio Ameal | 2-6,4-6 |
| ITF Chile F5 | 2015/04/20 15:00 | Juan Ignacio Ameal v Matias Zukas | 6-3,6-3 |
| ITF Chile F3 | 2015/04/13 17:55 | Juan Ignacio Ameal v Federico Coria | 0-6,5-7 |
| ITF Argentina F3 | 2015/03/25 17:20 | Juan Ignacio Ameal v Tomas Lipovsek Puches | 5-7,1-6 |
| ITF Argentina F3 | 2015/03/23 14:00 | Andre Miele v Juan Ignacio Ameal | 2-6,6-4,4-6 |