Stadion: Court 6 Round: 54 Ground: Hardcourt outdoor
| ITF- M15 - Yanagawa | 2023/12/26 00:30 | Hiroki Sakagawa v Shunsuke Nakagawa | 5-7,4-6 |
| ITF- M15 - Yanagawa | 2023/12/25 00:30 | Yuichiro Inui v Hiroki Sakagawa | 3-6,3-6 |
| ITF- M15 - Yanagawa | 2023/12/20 02:30 | Hiroki Sakagawa v Ryotaro Matsumura | 2-6,1-6 |
| ITF- M15 - Yanagawa | 2023/12/18 01:00 | Kenta Miyoshi v Hiroki Sakagawa | 4-6,6-2,9-11 |
| ITF - M25 - Sapporo | 2023/09/11 01:00 | Woobin Shin v Hiroki Sakagawa | 0-6,6-3,10-7 |
| ITF - M25 - Sapporo | 2023/09/10 01:00 | Hiroki Sakagawa v Hiroyasu Ehara | 6-7,6-1,10-6 |
| ITF - M25 - Sapporo | 2023/09/05 04:20 | Shuichi Sekiguchi v Hiroki Sakagawa | 6-3,6-2 |
| ITF - M25 - Sapporo | 2023/09/04 00:55 | Hiroki Sakagawa v Omar Fields | 5-7,6-3,13-11 |
| ITF - M25 - Calabasas | 2024/03/18 17:00 | Alex Kobelt v Lodewijk Weststrate | 2-6,2-6 |
| ITF - M15 - Eindhoven | 2023/07/30 12:00 | Jurriaan Bol v Lodewijk Weststrate | 6-4,3-6,10-7 |
| ITF - M25 - Esch/Alzette | 2023/07/19 10:50 | Lodewijk Weststrate v Mikalai Haliak | 6-7,6-4,3-6 |
| ITF - M25 - Esch/Alzette | 2023/07/17 13:20 | Lodewijk Weststrate v Felix Einig | 6-4,6-3 |
| ITF - M25 - Esch/Alzette | 2023/07/17 08:35 | Lodewijk Weststrate v Jim Hendrikx | 6-0,6-4 |
| ITF - M25 - Den Haag | 2023/07/02 10:30 | Stijn Paardekooper v Lodewijk Weststrate | 6-2,6-4 |
| ITF - M15 - Alkmaar | 2023/06/28 16:20 | Lodewijk Weststrate v Mees Rottgering | 6-7,6-7 |
| ITF - M15 - Saarlouis | 2023/06/23 12:30 | Lodewijk Weststrate v Sander Jong | 3-6,7-5,2-6 |