Stadion: Court 4 Round: 25 Ground: Clay
| ITF - M15 - Antalya | 2023/03/05 06:30 | Joao Eduardo Schiessl v Ryusuke Horiuchi | 6-0,6-1 |
| ITF - M25 - Biella | 2023/07/03 11:00 | Joao Eduardo Schiessl v Bautista Vilicich | 6-0,7-5 |
| ITF - M15 - Belgrad | 2023/06/27 07:00 | Joao Eduardo Schiessl v Louis Tessa | 6-7,4-6 |
| ITF - M15 - Belgrad | 2023/06/26 11:35 | Joao Eduardo Schiessl v Dimitrije Zubac | 6-0,6-1 |
| ITF - M15 - Belgrad | 2023/06/25 12:00 | Gorazd Srbljak v Joao Eduardo Schiessl | 5-7,1-6 |
| ITF - M15 - Kuršumlijska Banja | 2023/06/21 08:30 | Hynek Barton v Joao Eduardo Schiessl | 6-2,7-5 |
| ITF - M15 - Kuršumlijska Banja | 2023/06/18 16:00 | Viktor Jovic v Joao Eduardo Schiessl | 7-5,6-4 |
| ITF - M15 - Kuršumlijska Banja | 2023/06/18 09:30 | Marat Sharipov v Joao Eduardo Schiessl | 4-6,4-6 |
| ITF - M15 - Kuršumlijska Banja | 2023/06/17 17:15 | Joao Eduardo Schiessl v Mwendwa Mbithi | 6-4,6-2 |
| ITF - M25 - Biella | 2023/07/03 07:00 | Ryusuke Horiuchi v Gianluca Cadenasso | 5-7,7-6,12-10 |
| ITF - M15 - Wroclaw | 2023/06/26 09:00 | Alex Bancila v Ryusuke Horiuchi | 6-0,6-2 |
| ITF - M25 - Mungia | 2023/06/19 09:55 | Ryusuke Horiuchi v Alejandro Garcia | 1-6,2-6 |
| ITF - M25 - Mungia | 2023/06/18 08:00 | Ryusuke Horiuchi v Keanu Elias Immler | 1-6,6-1,10-3 |
| ITF - M15 - Karuizawa | 2023/05/28 01:15 | Ryusuke Horiuchi v Toru Horie | 2-6,4-6 |
| ITF - M15 - Antalya | 2023/03/05 06:30 | Joao Eduardo Schiessl v Ryusuke Horiuchi | 6-0,6-1 |
| ITF - M25 - Antalya | 2022/11/07 14:15 | Igor Trunov v Ryusuke Horiuchi | 6-3,6-2 |
| ITF - M25 - Antalya | 2022/11/06 05:30 | Jeiden Saidizand v Ryusuke Horiuchi | 0-6,4-6 |