Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Challenger Playford 2 | 2019/10/28 03:55 | David Barclay v Matthew Romios | 6-1,3-6,6-7 |
| Challenger Traralgon | 2019/10/21 06:55 | Matthew Romios v Bradley Mousley | 2-6,6-7 |
| ITF M25 Toowoomba | 2019/10/09 00:00 | Jayden Court v Matthew Romios | 6-4,6-3 |
| ITF M25 Brisbane | 2019/10/02 07:30 | Stephen Kaldawi v Matthew Romios | 5-7,6-2,6-1 |
| ITF M25 Darwin | 2019/09/26 00:30 | Martin Beran v Matthew Romios | 5-7,6-3,6-3 |
| ITF M25 Darwin | 2019/09/25 00:30 | Francis Casey Alcantara v Matthew Romios | 1-6,6-3,3-6 |
| ITF M25 Cairns | 2019/09/18 00:00 | Matthew Romios v James Ibrahim | 7-6,3-6,1-6 |
| ITF M15 Jakarta | 2019/08/16 02:30 | Dayne Kelly v Matthew Romios | 6-0,7-5 |
| Challenger Traralgon | 2019/10/24 02:45 | Yasutaka Uchiyama v Shuichi Sekiguchi | 6-4,3-6,7-5 |
| Challenger Traralgon | 2019/10/22 02:05 | Dayne Kelly v Shuichi Sekiguchi | 4-6,6-2,6-7 |
| Challenger Ningbo | 2019/10/14 08:25 | Ji Sung Nam v Shuichi Sekiguchi | 6-1,6-1 |
| ITF M25 Tay Ninh | 2019/10/08 05:45 | Sidharth Rawat v Shuichi Sekiguchi | 0-6,1-6 |
| Challenger Kaohsiung | 2019/09/17 12:15 | Shuichi Sekiguchi v Prajnesh Gunneswaran | 3-6,2-6 |
| Challenger Kaohsiung | 2019/09/16 06:05 | Ray Ho v Shuichi Sekiguchi | 6-7,3-6 |
| Challenger Shanghai | 2019/09/12 06:30 | Yasutaka Uchiyama v Shuichi Sekiguchi | 6-4,6-3 |
| Challenger Shanghai | 2019/09/11 06:45 | Shuichi Sekiguchi v Saketh Myneni | 4-6,6-3,7-6 |