Stadium: Center Court Round: 24 Ground: Hardcourt outdoor
| Challenger Pune | 2019/11/13 05:30 | Mukund Sasikumar v Toshihide Matsui | 6-2,6-3 |
| Challenger Pune | 2019/11/11 10:40 | Ben Patael v Toshihide Matsui | 6-4,3-6,4-6 |
| Challenger Liuzhou | 2019/10/23 03:55 | Toshihide Matsui v Jason Jung | 2-6,2-6 |
| Challenger Liuzhou | 2019/10/22 02:00 | Toshihide Matsui v Hao Wu | 4-6,6-1,6-4 |
| Challenger Liuzhou | 2019/10/21 02:00 | Toshihide Matsui v Jiaqi Duan | 6-1,6-2 |
| Challenger Shanghai | 2019/09/09 02:00 | Toshihide Matsui v Chuhan Wang | 5-7,6-7 |
| Challenger Yokkaichi | 2019/08/07 02:00 | Toshihide Matsui v Makoto Ochi | 7-6,7-6 |
| Challenger Yokkaichi | 2019/08/06 01:00 | Toshihide Matsui v John Paul Fruttero | 6-3,7-6 |
| ITF M15 Nonthaburi | 2019/12/06 04:10 | Alexander Crnokrak v Makoto Ochi | 6-7,3-6 |
| ITF M15 Nonthaburi | 2019/12/05 06:45 | Alexander Crnokrak v Taiyo Yamanaka | 6-2,6-3 |
| ITF M15 Nonthaburi | 2019/12/04 04:00 | Adam El Mihdawy v Alexander Crnokrak | 5-7,2-6 |
| ITF M15 Nonthaburi | 2019/11/26 06:00 | Makoto Ochi v Alexander Crnokrak | 6-4,6-4 |
| Challenger Playford 2 | 2019/10/29 05:25 | Alexander Crnokrak v James Duckworth | 3-6,5-7 |
| Challenger Playford 2 | 2019/10/28 01:00 | Alexander Crnokrak v Luca Castelnuovo | 6-3,6-4 |
| Challenger Traralgon | 2019/10/21 04:05 | Alexander Crnokrak v Luke Saville | 2-6,4-6 |
| ITF M25 Toowoomba | 2019/10/08 00:00 | Alexander Crnokrak v Will Maher | 3-6,4-6 |