Stadium: Court 2 Round: 27 Ground: Hardcourt indoor
| Pajulahti, Singles M-ITF-FIN-02A | 2019/09/19 07:30 | Naoki Tajima v Parko, Carl Bret | 6-4,6-2 |
| Pajulahti, Singles M-ITF-FIN-02A | 2019/09/18 12:20 | Naoki Tajima v Antinheimo, Oskar | 6-2,6-1 |
| Challenger Yokkaichi | 2019/08/05 05:05 | Shintaro Imai v Naoki Tajima | 6-2,6-3 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/25 07:10 | Naoki Tajima v Yuta Shimizu | 0-6,4-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/24 02:00 | Niki Kaliyanda Poonacha v Naoki Tajima | 4-6,6-4,1-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2019/07/02 12:00 | Naoki Tajima v Boehler, Dominik | 2-6,2-6 |
| ITF M15 Kamen | 2019/06/26 11:30 | Naoki Tajima v Staeheli, Luca | 5-7,0-6 |
| Balatonalmadi, Singles Qualifying M-ITF-HUN-02A | 2019/06/19 09:50 | Ryan Nijboer v Naoki Tajima | 6-3,6-2 |
| Pajulahti, Singles M-ITF-FIN-02A | 2019/09/19 07:30 | Yanki Erel v Seifert, Stefan | 6-2,6-0 |
| Pajulahti, Singles M-ITF-FIN-02A | 2019/09/18 12:30 | Yanki Erel v Hietaranta, Roni Mikael | 6-0,6-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/15 09:50 | Ivanov, Vladislav v Yanki Erel | 1-6,0-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/14 15:00 | Yanki Erel v Guido Ivan Justo | 6-2,6-1 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/06 08:00 | Yanki Erel v Feitt, Franco | 4-6,2-6 |
| Antalya, Turquie | 2019/06/22 11:10 | Troicki, Viktor v Yanki Erel | 6-1,7-5 |
| ITF - M15 Antalya | 2019/05/22 09:05 | Koray Kirci v Yanki Erel | 6-4,6-4 |
| ITF - M15 Antalya | 2019/05/16 09:15 | Dimitar Kuzmanov v Yanki Erel | 6-3,6-4 |