| Challenger Zhuhai | 03/04 02:00 | 24 | [345] Renta Tokuda v Maverick Banes [267] | 6-4,6-2 | |
| Challenger Yokohama | 02/25 01:00 | 24 | Renta Tokuda v Masamichi Imamura | 5-7,2-6 | |
| Challenger Morelos | 02/18 21:10 | 24 | [374] Gonzalo Escobar v Renta Tokuda [344] | 7-6,6-4 | |
| Challenger Chennai | 02/05 08:40 | 25 | [344] Renta Tokuda v Alejandro D-Fokina [236] | 6-3,2-6,3-6 | |
| Challenger Chennai | 02/04 06:00 | 24 | Abhinav Sanjeev Shanmugam v Renta Tokuda | 3-6,4-6 | |
| Challenger Launceston | 01/28 01:40 | 24 | [300] Tristan Lamasine v Renta Tokuda [339] | 6-4,6-1 | |
| Challenger Da Nang | 01/07 06:05 | 25 | Cheong-Eui Kim v Renta Tokuda | 7-5,6-1 | |
| Ausztrál Open - wildcard | 11/30 06:30 | 27 | Duckhee Lee v Renta Tokuda | 6-4,6-4 | |
| Ausztrál Open - wildcard | 11/29 03:40 | 26 | [352] Arjun Kadhe v Renta Tokuda [298] | 6-7,1-6 | |
| Challenger Kobe | 11/14 03:20 | 25 | [298] Renta Tokuda v Soonwoo Kwon [240] | 3-6,6-1,1-6 | |
| Challenger Liuzhou | 10/23 07:05 | 25 | [296] Renta Tokuda v Yuichi Sugita [157] | 2-6,5-7 | |
| Challenger Liuzhou | 10/22 03:00 | 54 | Renta Tokuda v Ye Cong Mo | 6-2,6-2 | |
| Challenger Liuzhou | 10/21 03:00 | 46 | Renta Tokuda v Jurabek Karimov | 6-1,7-6 | |
| Challenger Liuzhou | 10/20 06:55 | 45 | [307] Renta Tokuda v Yusuke Takahashi [451] | 7-5,6-0 | |
| Challenger Ningbo | 10/18 06:25 | 26 | [307] Renta Tokuda v Radu Albot [98] | 4-6,6-7 | |
| Challenger Ningbo | 10/16 09:40 | 25 | [307] Renta Tokuda v Saketh Myneni [326] | 6-3,6-2 | |
| ATP Chengdu | 09/22 07:50 | 64 | [129] Bernard Tomic v Renta Tokuda [302] | 6-3,6-4 | |
| Challenger Gwangju | 08/17 02:00 | 27 | [308] Renta Tokuda v Alexander Bublik [239] | Retired | |
| Challenger Gwangju | 08/15 06:00 | 26 | [308] Renta Tokuda v Roman Safiullin [298] | 7-6,6-2 | |
| Challenger Gwangju | 08/13 06:30 | 25 | [308] Renta Tokuda v Sasi Kumar Mukund [377] | 3-6,6-2,6-3 | |
| Challenger Jinan | 08/06 09:15 | 25 | [320] Roman Safiullin v Renta Tokuda [307] | 6-3,7-6 | |
| Challenger Chengdu | 07/31 07:50 | 25 | Renta Tokuda v Tak Khunn Wang | 2-6,2-6 | |
| Challenger Granby | 07/26 16:00 | 26 | [432] Joris De Loore v Renta Tokuda [321] | 6-1,7-5 | |
| Challenger Granby | 07/25 14:00 | 25 | Pavel Krainik v Renta Tokuda | 3-6,3-6 | |
| Challenger Gatineau | 07/19 17:10 | 26 | [261] Maximilian Neuchrist v Renta Tokuda [330] | Retired | |
| Challenger Gatineau | 07/17 18:00 | 25 | [330] Renta Tokuda v Edan Leshem [414] | 6-4,6-7,6-3 | |
| Challenger Gatineau Qual | 07/15 01:00 | 45 | Renta Tokuda v Takanyi Garanganga | Cancelled | |
| Challenger Winnipeg | 07/11 15:00 | 25 | [337] Renta Tokuda v Kaichi Uchida [308] | 5-7,5-7 | |
| Challenger Almaty - selejtezők | 06/10 04:30 | 46 | [471] Tung-Lin Wu v Renta Tokuda [332] | 6-3,7-6 | |
| Challenger Almaty - selejtezők | 06/09 05:35 | 45 | [234] Nikola Cacic v Renta Tokuda [332] | 6-7,4-6 |