Stadium: Court 1 Round: 25 Ground: Clay
| ITF Thailand F7 | 2018/10/31 05:45 | Fayziev, Sanjar v Singh, Karunuday | 6-2,6-2 |
| ITF Vietnam F4 | 2018/10/25 04:30 | Ajeet Rai v Singh, Karunuday | 6-1,6-2 |
| ITF Vietnam F4 | 2018/10/23 05:30 | Singh, Karunuday v Eriksson, Markus | 7-6,6-3 |
| Thailande F6, Qualifications Simples | 2018/10/10 05:05 | Singh, Karunuday v Tsung-Hao Huang | 6-2,7-5 |
| Thailande F6, Qualifications Simples | 2018/10/09 02:30 | Smola, Maciej v Singh, Karunuday | 1-6,4-6 |
| ITF Thailand F4 | 2018/09/28 03:00 | Takeuchi, Kento (1987) v Singh, Karunuday | 7-6,6-0 |
| ITF Thailand F4 | 2018/09/27 02:30 | Tanuma, Ryota v Singh, Karunuday | 2-6,6-7 |
| ITF Thailand F4 | 2018/09/26 02:30 | Singh, Karunuday v Jumpei Yamasaki | 6-4,7-5 |
| ITF - M25 Mildura | 2019/03/07 01:50 | Nick Chappell v Klein, Brydan | 3-6,2-6 |
| ITF - M25 Mildura | 2019/03/06 02:00 | Calum Puttergill v Nick Chappell | 3-6,4-6 |
| Albury, Simples M-ITF-AUS-01A | 2019/02/26 23:30 | Nick Chappell v Thomas Fancutt | 6-7,3-6 |
| ITF M15 Claremont | 2019/02/05 20:30 | Nick Chappell v Griffith, William | 7-6,7-5 |
| ITF M25 Weston | 2019/01/30 16:35 | Rodriguez-Pace, Ricardo v Nick Chappell | 6-4,6-0 |
| Palm Coast, Singles M-ITF-USA-05A | 2019/01/23 17:05 | Obert, Adrian v Nick Chappell | 6-4,4-6,6-4 |
| ITF M15 Naples | 2019/01/17 17:10 | Nicolas Mejia v Nick Chappell | 6-4,6-2 |
| ITF M15 Naples | 2019/01/16 15:30 | Nick Chappell v Escobar, Gonzalo | 2-6,6-1,6-2 |