| UTR Pro Yokohama | 02/04 01:00 | - | Koki Matsuda v Gaku Nayuki | CANC | |
| UTR Pro Yokohama | 02/04 01:00 | - | Koki Matsuda v Masaki Ishikawa | CANC | |
| UTR Pro Yokohama | 02/03 01:00 | - | Koki Matsuda v Yuga Tashiro | Walkover | |
| UTR Pro Yokohama | 02/02 06:15 | - | Koki Matsuda v Yoshinori Kobayashi | 5-7,6-4,6-7 | |
| UTR Pro Yokohama | 01/30 06:10 | - | Kosuke Morita v Koki Matsuda | Walkover | |
| UTR Pro Yokohama | 01/29 03:50 | - | Hien Pham v Koki Matsuda | Walkover | |
| UTR Pro Yokohama | 01/28 01:00 | - | Ewan Ogura v Koki Matsuda | 7-6,6-3 | |
| UTR Pro Yokohama | 01/26 04:00 | - | Kotaro Mochizuki v Koki Matsuda | 2-6,6-7 | |
| Challenger Nonthaburi | 01/06 05:40 | 25 | [482] Koki Matsuda v Marat Sharipov [286] | 3-6,6-7 | |
| Challenger Nonthaburi | 01/05 03:00 | 19 | Koki Matsuda v Kunanan Pantaratorn | 6-3,6-2 | |
| Challenger Nonthaburi | 01/04 05:35 | 14 | [425] Michele Ribecai v Koki Matsuda [487] | 6-1,5-7,6-7 | |
| UTR Pro Kawaguchi | 12/21 03:05 | 29 | Ryota Tanuma v Koki Matsuda | 6-0,7-5 |