Stadium: Court 3 Round: 54 Ground: Clay
| ITF - M15 Anseong | 2019/06/24 02:00 | David Barclay v Hayeon Seong | 7-5,6-7,8-10 |
| ITF - M15 Anseong | 2019/06/24 01:00 | Per Nordstrom v Sam Ryan Ziegann | 3-6,2-6 |
| ITF M15 Gimcheon | 2019/06/17 01:00 | Ren Nakamura v Sam Ryan Ziegann | 2-6,6-2,10-7 |
| ITF M15 Akishima | 2019/06/11 00:00 | Kosuke Okagaki v Sam Ryan Ziegann | 6-1,6-0 |
| ITF M15 Guam | 2019/06/06 00:00 | Soichiro Moritani v Sam Ryan Ziegann | 6-2,6-2 |
| ITF M15 Guam | 2019/06/04 00:00 | Sam Ryan Ziegann v Marcus Kallioniemi | 6-0,6-0 |
| ITF - M15 Karuizawa | 2019/05/28 01:00 | Kento Takeuchi v Sam Ryan Ziegann | 6-3,6-3 |
| ITF - M25 Nonthaburi | 2019/05/20 04:40 | Jayden Court v Sam Ryan Ziegann | 6-4,7-5 |
| ITF M15 Mornington | 2019/03/24 23:00 | Kazuma Kawachi v Sam Ryan Ziegann | 6-2,6-1 |