| ITF Argentina F6 | 09/15 14:00 | 62 | 포스테이, 알란 v Makiguchi, Ryusei | 6-1,7-6 | |
| ITF Argentina F3 | 05/28 15:00 | 25 | 에트체베리, 토마스 마르틴 v Makiguchi, Ryusei | 6-3,6-3 | |
| ITF Argentina F2 | 05/22 13:00 | 25 | Makiguchi, Ryusei v Saez, Juan Carlos | 1-6,2-6 | |
| ITF Argentina F1 | 05/14 15:00 | 25 | Makiguchi, Ryusei v Saez, Juan Carlos | 2-6,5-7 | |
| ITF Brazil F2 | 05/01 20:35 | 25 | Makiguchi, Ryusei v 우고 카라벨리, 카밀로 | 2-6,0-6 | |
| ITF Brazil F1 | 04/25 18:15 | 26 | 레이트, 윌슨 v Makiguchi, Ryusei | 6-4,5-7,6-4 | |
| ITF Brazil F1 | 04/23 16:35 | 25 | Makiguchi, Ryusei v Silva, Caio | 6-1,6-7,7-5 | |
| ITF Italy F6 Qual | 04/01 12:00 | 44 | 워에르너, 파울 v Makiguchi, Ryusei | 6-4,6-4 | |
| ITF Italy F6 Qual | 03/31 12:00 | 44 | Makiguchi, Ryusei v 레이타노, 스테파노 | 7-5,6-2 | |
| ITF Tunisia F12 | 03/28 10:05 | 25 | Stefanini, Jacopo v Makiguchi, Ryusei | 6-1,2-6,6-4 | |
| ITF Tunisia F11 | 03/18 10:30 | 62 | Munoz-Abreu, Jordi v Makiguchi, Ryusei | 7-5,5-7,6-0 | |
| ITF Argentina F12 | 12/03 12:00 | 62 | Makiguchi, Ryusei v Bastias, Francisco | 4-6,6-7 | |
| ITF Italy F14 | 05/22 16:15 | 25 | Makiguchi, Ryusei v Stefanini, Jacopo | 3-6,0-6 | |
| ITF Sweden F2 | 05/18 10:10 | 27 | Makiguchi, Ryusei v 린델, 크리스티안 | 1-6,2-6 | |
| ITF Sweden F2 | 05/17 08:15 | 26 | Brydolf, Patrik v Makiguchi, Ryusei | 4-6,2-6 | |
| ITF Sweden F2 | 05/15 10:40 | 25 | 놀드쿠이스트, 아르비드 v Makiguchi, Ryusei | 6-7,3-6 | |
| ITF Sweden F1 | 05/10 09:30 | 26 | 린델, 크리스티안 v Makiguchi, Ryusei | 6-0,6-3 | |
| ITF Sweden F1 | 05/09 08:15 | 25 | Makiguchi, Ryusei v 디아라, 기브릴 | 6-4,7-6 | |
| Turkey F17, Singles Qualifying | 05/04 08:30 | 26 | 노바크, 데니스 v Makiguchi, Ryusei | 6-2,6-2 | |
| Turkey F17, Singles Qualifying | 05/02 08:35 | 25 | Makiguchi, Ryusei v 오테구이, 주안 바우티스타 | 6-4,6-3 | |
| Turkey F16, Singles Qualifying | 04/26 07:00 | 25 | 몰칸, 알렉스 v Makiguchi, Ryusei | 6-2,7-5 | |
| Turkey F15, Singles Qualifying | 04/19 07:00 | 25 | Delic, Mate v Makiguchi, Ryusei | 6-1,6-2 | |
| Italy F8, Singles Qualifying | 04/10 12:00 | 25 | Williams, Rhyne v Makiguchi, Ryusei | 7-5,1-6,6-1 | |
| ITF Spain F10 Qual | 04/03 11:50 | 62 | Makiguchi, Ryusei v 페르모셀, 자임 | 4-6,6-7 | |
| ITF Spain F10 Qual | 04/02 08:00 | 62 | Makiguchi, Ryusei v 마르돈스, 브루노 | 7-5,6-4 | |
| ITF Croatia F4 | 03/28 12:30 | 25 | Makiguchi, Ryusei v 몬존, 이그나시오 | 6-1,1-6,2-6 | |
| ITF Croatia F3 | 03/22 09:30 | 25 | Bellotti, Riccardo v Makiguchi, Ryusei | 6-2,6-1 | |
| ITF Croatia F3 | 03/20 12:30 | 60 | Makiguchi, Ryusei v Schmidt, Gabriel | 7-6,2-6,6-2 | |
| ITF Croatia F3 | 03/20 09:00 | 60 | Makiguchi, Ryusei v Ramskogler, Gregor | 6-2,6-4 | |
| ITF Croatia F3 | 03/19 08:30 | 60 | Makiguchi, Ryusei v 아이초른, 야코브 | 6-3,6-3 |