Stadium: Cancha Central Round: 25 Ground: Clay
| ITF M15 Monastir | 2020/02/17 08:30 | Alvaro Guillen Meza v Mayeul Darras | 0-6,0-6 |
| ITF M15 Monastir | 2020/02/16 08:00 | Alvaro Guillen Meza v Ajay Pruthvi Nemakal | 6-0,6-2 |
| ITF M15 Monastir | 2020/02/10 08:30 | Aziz Kijametovic v Alvaro Guillen Meza | 6-3,6-4 |
| ITF M15 Monastir | 2020/02/09 08:00 | Alvaro Guillen Meza v Bastian A U Santander | 6-4,6-0 |
| ITF M15 Castellon | 2019/11/03 13:30 | Nicolas Moreno De Alboran v Alvaro Guillen Meza | 6-4,6-0 |
| ITF M15 Benicarlo | 2019/10/21 09:00 | Diego A B Sanchez v Alvaro Guillen Meza | 6-1,6-2 |
| ITF M15 Sabadell | 2019/09/29 07:00 | Alvaro Guillen Meza v Sergio Barranco | 4-6,7-6,5-10 |
| ITF M25 Portoviejo | 2019/08/08 15:00 | Alvaro Guillen Meza v Fermin Tenti | 5-7,1-6 |
| Challenger Little Rock | 2021/06/02 21:00 | Darian King v Mitchell Krueger | 3-6,2-6 |
| Challenger Little Rock | 2021/05/31 19:35 | Darian King v Thiago Agustin Tirante | 6-4,6-4 |
| ATP Belgrade | 2021/05/22 14:25 | Christopher O'Connell v Darian King | 6-1,6-3 |
| Challenger Orlando | 2021/04/12 15:30 | Jesper De Jong v Darian King | 6-0,6-3 |
| Challenger Cleveland | 2021/03/17 15:15 | Christopher Eubanks v Darian King | 6-1,6-2 |
| Challenger Cleveland | 2021/03/16 14:00 | Darian King v Mitchell Krueger | 6-3,5-7,7-5 |
| ITF M25 Naples | 2021/02/24 16:50 | Gonzalo Villanueva v Darian King | 6-3,6-0 |
| ITF M25 Naples | 2021/02/23 14:45 | Darian King v Ryan Shane | 6-3,1-6,10-5 |