Stadium: Court 12 Round: 45 Ground: Clay
| ITF M15 Anning | 2019/01/11 04:40 | Kazuki Nishiwaki v Nitin Kumar Sinha | 6-7,6-2,6-4 |
| ITF M15 Anning | 2019/01/10 07:15 | Li-Wei Tan v Nitin Kumar Sinha | 6-3,5-7,4-6 |
| ITF M15 Anning | 2019/01/08 02:30 | Nitin Kumar Sinha v Hong Kit Wong | 6-4,6-1 |
| ITF M15 Anning | 2019/01/03 03:55 | Jung-Woong Na v Nitin Kumar Sinha | 6-4,6-4 |
| ITF M15 Anning | 2019/01/01 03:30 | Nitin Kumar Sinha v Soichiro Moritani | 6-1,6-7,6-3 |
| Challenger Pune | 2018/11/17 06:00 | Nitin Kumar Sinha v Youssef Hossam | 3-6,4-6 |
| Challenger Bangalore | 2018/11/10 10:35 | Nitin Kumar Sinha v Lucas Gerch | 3-6,4-6 |
| ITF Thailand F8 | 2018/11/04 04:30 | Vladislav Dubinsky v Nitin Kumar Sinha | 6-4,6-3 |
| ITF M15 Antalya | 2019/03/04 08:00 | Mircea-Alexandru Jecan v Ruben Busch | 6-0,6-0 |
| ITF Spain F24 | 2018/08/19 16:00 | Jaime Fermosell v Ruben Busch | 6-0,7-6 |
| ITF Spain F24 | 2018/08/18 09:00 | Hector B Martinez v Ruben Busch | 6-7,4-6 |
| ITF Spain F23 | 2018/08/11 08:30 | Chinmaya Dev Chauhan v Ruben Busch | 6-2,6-2 |
| ITF Spain F21 Qual | 2018/07/28 09:15 | Ruben Busch v Jack Gibbens | 2-6,4-6 |
| ITF Spain F19 Qual | 2018/07/14 07:30 | Gianni Ross v Ruben Busch | 6-0,6-2 |
| ITF Tunisia F23 | 2018/06/10 10:00 | Edris Fetisleam v Ruben Busch | 6-0,6-3 |
| ITF Turkey F16 | 2018/04/21 09:30 | Bastien Kolly v Ruben Busch | 6-3,6-0 |