Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF Hong Kong F2 Qual | 2018/06/30 04:00 | Aaron Addison v Sam Ryan Ziegann | 6-1,7-6 |
| ITF Hong Kong F1 Qual | 2018/06/23 02:00 | Wai Yu Kai v Sam Ryan Ziegann | 6-3,6-3 |
| ITF Guam F1 | 2018/06/21 01:30 | Sam Ryan Ziegann v Rimpei Kawakami | 4-6,3-6 |
| ITF Vietnam F3 | 2018/05/12 03:00 | Sam Ryan Ziegann v Paramveer Singh Bajwa | 2-6,2-6 |
| ITF Vietnam F1 | 2018/04/28 05:00 | Kittirat Kerdlaphee v Sam Ryan Ziegann | 6-1,6-2 |
| ITF Italy F32 Qual | 2017/09/30 10:00 | Sam Ryan Ziegann v Matteo Masala | 2-6,1-6 |
| ITF Hungary F6 Qual | 2017/08/20 09:00 | Marton Szappanos v Sam Ryan Ziegann | 6-2,6-0 |
| ITF Chinese Taipei F2 Qual | 2017/06/18 04:00 | Tsung-Hao Huang v Fei Yun Liao | 6-4,6-4 |
| ITF Chinese Taipei F1 Qual | 2017/06/12 05:30 | Fei Yun Liao v Richard Yang | 3-6,2-6 |