Stadium: Ct TBA G Round: 44 Ground: Hardcourt outdoor
| Brisbane, Simples M-ITF-AUS-07A | 2019/09/29 02:00 | Sam Ryan Ziegann v Horton, Nicholas | 2-6,4-6 |
| Brisbane, Simples M-ITF-AUS-07A | 2019/09/30 00:00 | Horton, Nicholas v Ibrahim, James | 4-6,7-5,8-10 |
| Brisbane, Simples M-ITF-AUS-07A | 2019/09/29 02:00 | Sam Ryan Ziegann v Horton, Nicholas | 2-6,4-6 |
| ITF M25 Darwin | 2019/09/23 05:55 | Nkomba, Benard Bruno v Horton, Nicholas | 6-7,6-3,10-5 |
| ITF M25 Darwin | 2019/09/22 00:30 | Osborne, Zac v Horton, Nicholas | 0-6,4-6 |
| ITF Turkey F30 | 2018/10/02 10:35 | Jirousek, Tomas v Horton, Nicholas | 6-2,6-4 |
| ITF Turkey F30 | 2018/10/01 07:30 | Horton, Nicholas v Walder, Jim | 6-3,6-0 |
| ITF Turkey F30 | 2018/09/30 09:00 | Horton, Nicholas v Soyler, Osmancan | 6-1,6-2 |
| ITF Turkey F29 | 2018/09/24 07:30 | Horton, Nicholas v Thiem, Moritz | 6-7,1-6 |
| Brisbane, Simples M-ITF-AUS-07A | 2019/09/29 02:00 | Sam Ryan Ziegann v Horton, Nicholas | 2-6,4-6 |
| ITF M15 Cancun | 2019/09/09 15:00 | Sam Ryan Ziegann v Ryotaro Matsumura | 2-6,3-6 |
| ITF M15 Cancun | 2019/08/26 14:30 | Ma, Jiaxi v Sam Ryan Ziegann | 6-2,2-6,10-2 |
| ITF M15 Cancun | 2019/08/19 14:30 | Ma, Jiaxi v Sam Ryan Ziegann | 3-6,6-3,10-6 |
| ITF M15 Anseong | 2019/06/25 01:00 | Ha Yeon, Sung v Sam Ryan Ziegann | 7-5,6-1 |
| ITF M15 Anseong | 2019/06/24 01:00 | Nordstrom, Per v Sam Ryan Ziegann | 3-6,2-6 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/17 01:00 | Ren Nakamura v Sam Ryan Ziegann | 2-6,6-2,10-7 |
| Akishima, Singles M-ITF-JPN-08A | 2019/06/11 00:00 | Okagaki, Kosuke v Sam Ryan Ziegann | 6-1,6-0 |