Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| Challenger Calgary | 2020/02/26 19:45 | Julian Lenz v Shintaro Imai | 6-3,3-6,7-6 |
| Challenger Calgary | 2020/02/25 17:00 | Shintaro Imai v Harri Heliovaara | 6-0,6-2 |
| 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 M25 Pardubice | 2020/10/01 09:55 | Vit Kopriva v David Poljak | 7-6,6-3 |
| ITF M25 Pardubice | 2020/09/30 12:45 | Alex M Pujolras v David Poljak | 6-7,6-4,8-10 |
| ITF M25 Pardubice | 2020/09/30 08:00 | Sergo Sikharulidze v David Poljak | 4-6,0-6 |
| Challenger Sibiu | 2020/09/19 08:00 | Ergi Kirkin v David Poljak | 7-6,6-2 |
| ITF M25 Prague | 2020/09/15 07:50 | David Poljak v Miljan Zekic | 4-6,3-6 |
| ITF M25 Prague | 2020/09/14 10:30 | David Poljak v Martin Krumich | 7-5,7-6 |
| ITF M25 Prague | 2020/09/13 10:30 | David Poljak v Dominik Recek | 6-4,6-4 |
| Challenger Ostrava | 2020/08/29 13:40 | David Poljak v Borna Gojo | 6-4,6-7,2-6 |