Round: 28 Ground: Clay
| ITF Peru F1 | 2014/10/13 14:30 | Federico Zeballos v Ryusei Makiguchi | 6-4,1-6,1-6 |
| ITF Argentina F7 | 2015/05/25 16:30 | Ryusei Makiguchi v R. Urzua-Rivera | 5-7,3-6 |
| ITF Argentina F6 | 2015/05/18 15:00 | Ryusei Makiguchi v Juan Ignacio Ameal | 6-7,4-6 |
| 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 |
| ITF Turkey F31 | 2015/06/16 07:00 | Sefa Suluoglu v Federico Zeballos | 3-6,0-6 |
| ITF Spain F16 | 2015/06/02 09:00 | Alejandro Ibanez Gallego v Federico Zeballos | 2-6,2-6 |
| ITF Turkey F36 | 2015/05/23 07:00 | Federico Zeballos v Erik Crepaldi | 4-6,1-6 |
| ITF Turkey F36 | 2015/05/22 07:00 | Francesco Vilardo v Federico Zeballos | 2-6,3-6 |
| ITF Turkey F36 | 2015/05/21 08:10 | Mark Fynn v Federico Zeballos | 4-6,1-6 |
| Davis Cup | 2015/03/06 20:00 | Daniel Garza v Federico Zeballos | 6-2,6-2,6-0 |
| ITF Colombia F8 | 2014/11/22 15:00 | Federico Zeballos v Eduardo Struvay | 4-6,5-7 |
| ITF Colombia F8 | 2014/11/21 14:30 | Federico Zeballos v Facundo Mena | 6-3,1-6,6-4 |