Estádio: Court 10 Round: 44 Ground: Hardcourt outdoor
| ITF - M15 Cancún | 2019/09/09 15:00 | Sam Ryan Ziegann v Ryotaro Matsumura | 2-6,3-6 |
| ITF - M15 Cancún | 2019/08/26 14:30 | Jiaxi Ma v Sam Ryan Ziegann | 6-2,2-6,10-2 |
| ITF - M15 Cancún | 2019/08/19 14:30 | Jiaxi Ma v Sam Ryan Ziegann | 3-6,6-3,10-6 |
| ITF - M15 Anseong | 2019/06/25 01:00 | Hayeon Seong v Sam Ryan Ziegann | 7-5,6-1 |
| 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 Guame | 2019/06/06 00:00 | Soichiro Moritani v Sam Ryan Ziegann | 6-2,6-2 |
| ITF - M25 Darwin | 2019/09/23 05:55 | Benard Bruno Nkomba v Nicholas Horton | 6-7,6-3,10-5 |
| ITF - M25 Darwin | 2019/09/22 00:30 | Zac Osborne v Nicholas Horton | 0-6,4-6 |
| ITF - Turquia F30 | 2018/10/02 10:35 | Tomas Jirousek v Nicholas Horton | 6-2,6-4 |
| ITF - Turquia F30 | 2018/10/01 07:30 | Nicholas Horton v Jim Walder | 6-3,6-0 |
| ITF - Turquia F30 | 2018/09/30 09:00 | Nicholas Horton v Osmancan Soyler | 6-1,6-2 |
| ITF - Turquia F29 | 2018/09/24 07:30 | Nicholas Horton v Moritz Thiem | 6-7,1-6 |
| ITF - Sérvia F5 | 2018/09/05 11:50 | Shahin Khaledan v Nicholas Horton | 6-1,6-3 |
| ITF - Alemanha F12 | 2018/08/15 10:00 | Ivan Gakhov v Nicholas Horton | 7-5,6-4 |