Stadium: Court 1 Round: 19 Ground: Hardcourt outdoor
| ITF M15 Setubal | 2020/10/04 12:00 | Mathys Erhard v Naoki Nakagawa | 6-4,4-6,7-10 |
| Challenger Kobe | 2023/11/12 01:00 | Mathys Erhard v Rio Noguchi | 4-6,0-6 |
| ITF M15 Monastir | 2023/10/26 13:50 | Mathys Erhard v Filippo Mazzola | 6-7,6-1,6-1 |
| ITF M15 Monastir | 2023/10/25 12:30 | Mathys Erhard v Max Wiskandt | 4-6,6-2,7-5 |
| ITF M25 Zaragoza | 2023/10/07 10:45 | Felix Gill v Mathys Erhard | 6-3,6-4 |
| ITF M25 Zaragoza | 2023/10/06 13:10 | Ryan Nijboer v Mathys Erhard | 6-0,4-6,4-6 |
| ITF M25 Zaragoza | 2023/10/05 11:10 | Samuel Brosset v Mathys Erhard | 2-6,5-7 |
| ITF M25 Zaragoza | 2023/10/04 08:25 | Nicola Kuhn v Mathys Erhard | 2-6,5-7 |
| ITF M25 Sabadell | 2023/09/29 11:30 | Mathys Erhard v Jorge Martinez Martinez | 4-6,7-5,5-7 |
| Challenger Yokohama | 2023/11/19 01:00 | Yusuke Takahashi v Naoki Nakagawa | 5-7,6-7 |
| Challenger Kobe | 2023/11/12 03:25 | Blake Ellis v Naoki Nakagawa | 6-2,6-7,7-6 |
| Challenger Matsuyama | 2023/11/07 06:30 | Naoki Nakagawa v Shintaro Mochizuki | 2-6,2-6 |
| Challenger Matsuyama | 2023/11/06 01:00 | Naoki Nakagawa v Yusuke Takahashi | 6-3,6-2 |
| Challenger Matsuyama | 2023/11/05 03:35 | Naoki Nakagawa v Yuto Oki | 6-4,6-2 |
| Challenger Sydney | 2023/10/31 00:20 | Hiroki Moriya v Naoki Nakagawa | 6-3,7-6 |
| Challenger Playford | 2023/10/26 02:25 | Seong Chan Hong v Naoki Nakagawa | 6-3,6-3 |
| Challenger Playford | 2023/10/23 04:20 | Blake Mott v Naoki Nakagawa | 7-5,1-6,3-6 |