Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Karuizawa | 2019/05/28 01:00 | Takeuchi, Kento (1987) v Sam Ryan Ziegann | 6-3,6-3 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/05/20 04:40 | Jayden Court v Sam Ryan Ziegann | 6-4,7-5 |
| Mornington, Singles Qualifying M-ITF-AUS-04A | 2019/03/24 23:00 | Kazuma Kawachi v Sam Ryan Ziegann | 6-2,6-1 |
| ITF Thailand F9 | 2018/11/10 05:00 | Dubinsky, Vladislav v Sam Ryan Ziegann | 7-6,6-4 |
| ITF Thailand F8 | 2018/11/03 04:30 | Sam Ryan Ziegann v Takuya Kumasaka | 2-6,1-6 |
| 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 | Wareesri, Chattarin 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 Hong Kong F3 | 2018/12/22 02:00 | Kallioniemi, Marcus v Hanyi Liu | 0-6,1-6 |
| ITF Thailand F3 | 2018/09/01 02:00 | Roberts, Charles v Kallioniemi, Marcus | 6-0,6-1 |
| ITF China F9 Qual | 2018/06/30 02:00 | Kallioniemi, Marcus v Lam, Wing-Lun | 1-6,1-6 |
| ITF Hong Kong F1 Qual | 2018/06/24 02:00 | Addison, Aaron v Kallioniemi, Marcus | 6-0,6-0 |
| ITF China F3 Qual | 2017/02/25 06:00 | Kallioniemi, Marcus v Guo, Tianjia | 3-6,0-6 |