Stadium: Court A Round: 44
| ITF Thailand F2 | 2018/08/26 07:00 | Kerdlaphee, Phongsapak v Sam Ryan Ziegann | 6-2,7-5 |
| ITF Chinese Taipei F2 Qual | 2018/07/23 03:00 | Sam Ryan Ziegann v Yeung, Pak Long | 4-6,1-6 |
| ITF Chinese Taipei F2 Qual | 2018/07/22 02:00 | Sam Ryan Ziegann v Shen, Jia-Hong | 6-1,6-1 |
| ITF Chinese Taipei F1 Qual | 2018/07/15 02:00 | Sam Ryan Ziegann v Liao, Fei Yun | 6-7,3-6 |
| ITF Hong Kong F2 Qual | 2018/06/30 04:00 | Addison, Aaron v Sam Ryan Ziegann | 6-1,7-6 |
| ITF Hong Kong F1 Qual | 2018/06/23 02:00 | Kai, Wai Yu v Sam Ryan Ziegann | 6-3,6-3 |
| ITF Guam F1 | 2018/06/21 01:30 | Sam Ryan Ziegann v Kawakami, Rimpei | 4-6,3-6 |
| ITF Vietnam F3 | 2018/05/12 03:00 | Sam Ryan Ziegann v Bajwa, Paramveer Singh | 2-6,2-6 |
| ITF Thailand F3 | 2018/09/01 05:00 | Krittin Koaykul v Kamchai, Thammarat | 6-2,6-1 |
| ITF Thailand F2 | 2018/08/28 02:00 | Krittin Koaykul v Thomas Fancutt | 1-6,6-7 |
| ITF Thailand F2 | 2018/08/27 02:45 | Yuttana Charoenphon v Krittin Koaykul | 6-4,3-6,0-6 |
| ITF Thailand F2 | 2018/08/26 03:30 | Krittin Koaykul v Kaewsuto, Chayanon | 6-3,4-6,7-6 |
| ITF Thailand F2 | 2018/08/25 04:00 | Krittin Koaykul v Srirat, Tanakorn | 6-1,6-2 |
| ITF Thailand F1 | 2018/08/18 03:30 | Khunjan, Nawakarn v Krittin Koaykul | 7-5,7-6 |