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 |
| 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 |
| ITF M15 Cairo | 2021/07/25 07:00 | Manfred Fellin v Ammar Alhaqbani | 6-3,7-5 |
| ITF M15 Cairo | 2021/07/21 08:00 | Constantin Bittoun Kouzmine v Ammar Alhaqbani | 4-6,7-5,6-2 |
| Diriyah Tennis Cup Consolation Draw | 2019/12/14 11:00 | Michael Mmoh v Ammar Alhaqbani | 6-2,6-0 |
| Davis Cup | 2019/09/14 07:00 | Ammar Alhaqbani v Timothy Tep | 6-0,6-2 |
| Davis Cup | 2019/09/13 07:00 | Matthew Stubbings v Ammar Alhaqbani | 1-6,2-6 |