Stadium: Grandstand Court Round: 24 Ground: Hardcourt indoor
| Challenger Drummondville | 2020/02/18 16:50 | Shintaro Imai v Tobias Kamke | 3-6,6-1,3-6 |
| Challenger Drummondville | 2020/02/16 16:25 | Shintaro Imai v Michael Redlicki | 7-6,6-3 |
| ITF M25 Nonthaburi | 2020/01/30 05:25 | Adam Pavlasek v Shintaro Imai | 4-6,7-5,6-1 |
| ITF M25 Nonthaburi | 2020/01/29 06:15 | Yuki Mochizuki v Shintaro Imai | 4-6,2-6 |
| ITF M15 Nonthaburi | 2019/12/01 02:55 | Duckhee Lee v Shintaro Imai | 6-1,6-4 |
| ITF M15 Nonthaburi | 2019/11/30 03:00 | Shintaro Imai v Ji Sung Nam | 7-6,7-6 |
| ITF M15 Nonthaburi | 2019/11/29 04:25 | Benjamin Pietri v Shintaro Imai | 2-6,1-6 |
| ITF M15 Nonthaburi | 2019/11/28 04:40 | Jeamoon Lee v Shintaro Imai | 0-6,6-1,6-7 |
| Challenger Calgary | 2020/02/24 16:00 | Felix Corwin v Harri Heliovaara | 7-6,6-2 |
| Challenger Launceston | 2020/02/03 23:00 | Harri Heliovaara v Michail Pervolarakis | 3-6,3-6 |
| Challenger Burnie | 2020/01/26 23:00 | Takuto Niki v Harri Heliovaara | 6-4,1-6,7-6 |
| Challenger Helsinki | 2019/11/15 14:00 | Harri Heliovaara v Ilya Ivashka | 6-3,1-6,2-6 |
| Challenger Helsinki | 2019/11/14 11:00 | Hugo Grenier v Harri Heliovaara | 1-6,3-6 |
| Challenger Helsinki | 2019/11/13 11:00 | Harri Heliovaara v Hiroki Moriya | 4-6,7-6,6-3 |
| Challenger Helsinki | 2019/11/11 16:10 | Artem Dubrivnyy v Harri Heliovaara | 3-6,2-6 |
| Challenger Playford 2 | 2019/10/30 23:30 | Jay Clarke v Harri Heliovaara | 6-4,6-3 |