Stadium: Court 2 Round: 62 Ground: Clay
| ITF M15 Cancun | 2021/10/08 15:00 | Seita Watanabe v Christian Langmo | 6-7,3-6 |
| ITF M15 Cancun | 2021/10/07 17:50 | Emil Reinberg v Seita Watanabe | 6-4,3-6,4-6 |
| ITF M15 Cancun | 2021/10/06 17:15 | Siddhant Banthia v Seita Watanabe | 3-6,1-6 |
| ITF M15 Cancun | 2021/10/05 14:00 | Seita Watanabe v Julian Cundom | 6-0,6-0 |
| ITF M15 Cancun | 2021/10/04 14:00 | Seita Watanabe v Enzo Frances Tessari | 6-0,6-0 |
| ITF M15 Cancun | 2021/10/03 15:30 | Seita Watanabe v Fernando A. Z. Cantillana | 6-2,6-0 |
| ITF M15 Cancun | 2021/09/30 14:30 | Christian Langmo v Seita Watanabe | 6-2,6-4 |
| ITF M15 Cancun | 2021/09/28 17:00 | Alejandro Mendoza v Seita Watanabe | 6-7,0-6 |
| ITF M15 Doha | 2021/12/27 13:40 | Adil Kalyanpur v Ammar Alhaqbani | 6-2,6-4 |
| ITF M15 Doha | 2021/12/21 13:15 | Ray Ho v Ammar Alhaqbani | 7-5,6-2 |
| ITF M15 Doha | 2021/12/20 15:25 | Ammar Alhaqbani v Aleksandar Tomas | 3-6,6-3,10-8 |
| ITF M15 Doha Qual | 2021/12/19 20:20 | Ammar Alhaqbani v Ali Alshati | 6-2,6-1 |
| ITF M15 Doha | 2021/12/15 12:00 | Hady Habib v Ammar Alhaqbani | 6-2,6-1 |
| Davis Cup | 2021/10/23 06:15 | Ammar Alhaqbani v Samneang Long | 6-1,7-5 |
| Davis Cup | 2021/10/19 06:00 | Ammar Alhaqbani v Camden Camacho | 6-1,6-1 |
| ITF M15 Cairo | 2021/08/01 07:00 | Leonardo Aboian v Ammar Alhaqbani | 7-6,6-4 |