Stadium: Court 8 Round: 26 Ground: Hardcourt outdoor
| 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 |
| ITF M25 Brisbane | 2019/10/01 03:50 | Jacob Grills v Alexander Crnokrak | 0-6,6-3,6-1 |
| ITF M25 Darwin | 2019/09/26 00:30 | Vladyslav Orlov v Alexander Crnokrak | 3-6,6-2,6-2 |
| ITF M15 Nonthaburi | 2019/12/03 06:30 | Taiyo Yamanaka v Shao-Fan Liu | 6-7,6-2,6-3 |
| ITF M15 Nonthaburi | 2019/11/26 07:40 | Takashi Saito v Taiyo Yamanaka | 6-2,7-6 |
| ITF M25 Toowoomba | 2019/10/07 01:15 | Taiyo Yamanaka v Nicholas Horton | 3-6,6-3,6-10 |
| ITF M25 Toowoomba | 2019/10/06 03:30 | William Ma v Taiyo Yamanaka | 6-7,3-6 |
| ITF M25 Brisbane | 2019/10/01 00:00 | Taiyo Yamanaka v Tristan Schoolkate | 6-1,5-7,5-10 |
| ITF M25 Brisbane | 2019/09/30 00:00 | Joshua Ryan v Taiyo Yamanaka | 4-6,5-7 |
| ITF M25 Brisbane | 2019/09/29 02:00 | Taiyo Yamanaka v Joseph W. Van Meter | 6-4,7-5 |
| ITF M25 Darwin | 2019/09/24 00:30 | Jesse Flores v Taiyo Yamanaka | 6-3,6-4 |