Stadium: Court 7 Round: 62 Ground: Clay
| ITF M15 Cairo | 2021/09/12 11:00 | Krittin Koaykul v Karan Singh | 1-6,6-3,10-6 |
| ITF M15 Cairo | 2021/09/06 07:30 | Valerio Aboian v Karan Singh | 6-7,6-3,10-3 |
| ITF M15 Cairo | 2021/09/05 07:30 | Jordan Chiu v Karan Singh | 6-3,1-6,4-10 |
| ITF M15 Pune | 2021/03/23 06:10 | Filip Bergevi v Karan Singh | 6-2,7-5 |
| ITF M15 Cairo | 2021/09/12 07:00 | Nitin Kumar Sinha v Leyton Rivera | 7-5,6-2 |
| ITF M15 Zilina | 2021/08/31 07:30 | Paul Valsecchi v Leyton Rivera | 6-3,6-4 |
| ITF M15 Zilina | 2021/08/30 07:30 | Jan Jermar v Leyton Rivera | 6-7,3-6 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Janos Fekete v Leyton Rivera | 6-2,7-5 |
| ITF M15 Bratislava | 2021/08/17 08:00 | Leyton Rivera v Tomas Lanik | 6-7,2-6 |
| ITF M15 Frederiksberg | 2021/08/04 09:25 | Ryan Nijboer v Leyton Rivera | 6-4,6-2 |
| ITF M15 Frederiksberg | 2021/08/02 11:05 | Nazim Makhlouf v Leyton Rivera | 3-6,6-3,3-10 |
| ITF M15 Frederiksberg | 2021/08/01 10:00 | Eirik Groener v Leyton Rivera | 2-6,5-7 |