Stadium: Court 2 Round: 28 Ground: Hardcourt outdoor
| Challenger Traralgon | 2019/10/22 01:20 | Luke Saville v Alejandro Tabilo | 5-7,7-6,5-7 |
| Challenger Traralgon | 2019/10/21 04:05 | Alexander Crnokrak v Luke Saville | 2-6,4-6 |
| ITF M25 Toowoomba | 2019/10/11 01:45 | Alexis Musialek v Luke Saville | 6-4,6-2 |
| ITF M25 Toowoomba | 2019/10/10 05:10 | Jayden Court v Luke Saville | 6-7,2-6 |
| ITF M25 Toowoomba | 2019/10/08 04:10 | Alexander Klintcharov v Luke Saville | 6-7,6-1,2-6 |
| ITF M25 Toowoomba | 2019/10/07 02:10 | Luke Saville v Jurence Zosimo Mendoza | 6-2,6-3 |
| ITF M25 Toowoomba | 2019/10/06 06:00 | Luke Saville v Joseph W. Van Meter | 6-2,6-0 |
| ITF M25 Brisbane | 2019/10/06 01:00 | Dayne Kelly v Luke Saville | 6-2,6-4 |
| 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 |