Stadium: Court 1 Round: 44
| ITF Thailand F7 | 2018/10/28 03:00 | Sanhui Shin v Sam Ryan Ziegann | 6-2,6-1 |
| ITF Thailand F7 | 2018/10/27 02:00 | Chattarin Wareesri v Sam Ryan Ziegann | 3-6,2-6 |
| ITF Vietnam F4 | 2018/10/21 03:00 | Arthur Weber v Sam Ryan Ziegann | 6-2,6-2 |
| ITF Australia F8 | 2018/10/07 02:00 | Sam Ryan Ziegann v Andrew Riminton | 4-6,5-7 |
| ITF Australia F8 | 2018/10/06 02:30 | Sam Ryan Ziegann v Patrick Flynn | 6-3,6-4 |
| ITF Australia F7 | 2018/09/29 05:00 | Alex Aley v Sam Ryan Ziegann | 6-2,4-6,6-4 |
| ITF Australia F7 | 2018/09/29 01:00 | Clint Letcher v Sam Ryan Ziegann | 3-6,7-6,4-6 |
| ITF Australia F5 | 2018/09/15 02:00 | Sam Ryan Ziegann v Taiyo Yamanaka | 7-6,1-6,5-7 |
| ITF Japan F8 | 2018/06/11 00:30 | Takuya Kumasaka v Yuki Matsuo | 2-6,4-6 |
| ITF Japan F8 | 2018/06/09 01:00 | Takuya Kumasaka v Kento Tagashira | 7-6,6-0 |
| ITF Japan F7 | 2018/06/05 01:00 | Takuya Kumasaka v Gengo Kikuchi | 6-3,3-6,4-6 |
| ITF Japan F6 Qual | 2018/04/09 01:00 | Kaito Uesugi v Takuya Kumasaka | 6-3,6-1 |
| ITF Japan F6 Qual | 2018/04/08 01:00 | Takuya Kumasaka v David Barclay | 5-7,6-3,6-1 |
| ITF Japan F4 | 2018/03/24 00:00 | Takuya Kumasaka v Masaki Sasai | 3-6,6-4,3-6 |
| ITF Japan F3 | 2018/03/17 00:30 | Ryohei Tagata v Takuya Kumasaka | 6-0,6-2 |
| ITF Japan F1 | 2018/03/08 07:20 | Takuya Kumasaka v Wishaya Trongcharoenchaikul | 6-1,0-6,3-6 |