Stadium: Court 1 Round: 62 Ground: Clay
| ITF Egypt F8 | 2018/03/03 12:30 | Kerdlaphee, Phongsapak v Gerritsen, Stephan | 1-6,4-6 |
| Egypt F7, Singles Qualifying | 2018/02/24 08:00 | Gonzalez, Wilfredo v Kerdlaphee, Phongsapak | 6-2,6-3 |
| Egypt F6, Singles Qualifying | 2018/02/17 08:00 | Kerdlaphee, Phongsapak v Vejnovic, Marko | 1-6,5-7 |
| ITF Thailand F12 | 2017/12/12 03:00 | Sabanin, Yan v Kerdlaphee, Phongsapak | 6-1,2-6,6-4 |
| ITF Thailand F11 Qual | 2017/12/03 03:00 | Niesten, Miliaan v Kerdlaphee, Phongsapak | 6-3,6-2 |
| ITF Thailand F11 Qual | 2017/12/02 03:00 | Kerdlaphee, Phongsapak v Seol, Jae-Min | 6-4,6-3 |
| ITF Thailand F10 | 2017/11/27 05:35 | Kerdlaphee, Phongsapak v Rubin Statham | 3-6,1-6 |
| Challenger Hua Hin Qual | 2017/11/18 03:00 | Tanuma, Ryota v Kerdlaphee, Phongsapak | 6-4,6-4 |
| ITF Egypt F9 | 2018/03/10 14:30 | Hopkins, David v Montsi, Siphosothando | 4-6,3-6 |
| ITF South Africa F3 | 2017/12/06 12:30 | Montsi, Siphosothando v Pawel Juszczak | 3-6,2-6 |
| ITF South Africa F3 Qual | 2017/12/04 10:40 | Montsi, Siphosothando v Jesper De Jong | 7-6,6-4 |
| ITF South Africa F3 Qual | 2017/12/03 15:25 | Montsi, Siphosothando v Du Toit, Daniel | 6-2,6-1 |
| South Africa F2, Singles | 2017/11/28 07:30 | Day, Alexander v Montsi, Siphosothando | 7-5,6-2 |
| ITF South Africa F1 | 2017/11/23 10:30 | Montsi, Siphosothando v Jomby, Tom | 3-6,2-6 |
| ITF South Africa F1 | 2017/11/22 11:55 | Montsi, Siphosothando v Hochwalt, Tyler | 4-6,6-2,7-6 |
| ITF Zimbabwe F2 | 2017/06/22 09:10 | Benjamin Lock v Montsi, Siphosothando | 6-4,6-3 |