| ITF - M15 Monastir | 11/21 11:00 | 62 | Vasiliauskas, Matas v Utreras Santander, Bastian Alonso | 6-3,6-3 | |
| ITF - M15 Monastir | 11/15 09:00 | 62 | Utreras Santander, Bastian Alonso v Raphael Calzi | 1-6,0-6 | |
| ITF - M15 Monastir | 11/08 08:00 | 62 | Tao Mu v Utreras Santander, Bastian Alonso | 6-0,6-0 | |
| ITF - M15 Monastir | 11/07 08:30 | 62 | Mateo Berta v Utreras Santander, Bastian Alonso | 2-6,1-6 | |
| ITF - M15 Monastir | 11/01 08:00 | 62 | Utreras Santander, Bastian Alonso v Verdier, Thibault | 0-6,1-6 | |
| ITF - M15 Monastir | 10/31 12:30 | 62 | Utreras Santander, Bastian Alonso v Mateo Berta | 4-6,6-2,11-9 | |
| ITF - M15 Monastir | 10/25 09:00 | 62 | Utreras Santander, Bastian Alonso v Suntic, Sabit | 6-4,3-6,5-10 | |
| ITF - M15 Monastir | 10/24 08:00 | 62 | Zribi, Rayen v Utreras Santander, Bastian Alonso | 4-6,2-6 | |
| ITF - M15 Monastir | 10/10 10:30 | 62 | Utreras Santander, Bastian Alonso v Aissa Khelifa, Mohamed Amine | 1-6,0-6 | |
| ITF - M15 Monastir | 10/03 08:00 | 62 | Utreras Santander, Bastian Alonso v Stefan Frljanic | 5-7,2-6 | |
| ITF - M15 Monastir | 09/27 09:00 | 62 | Utreras Santander, Bastian Alonso v Martin Katz | 0-6,0-6 | |
| ITF - M15 Monastir | 09/19 10:30 | 62 | Dahiya, Paras v Utreras Santander, Bastian Alonso | 6-3,6-1 | |
| ITF - M15 Monastir | 09/13 09:00 | 62 | Gabriel Decamps v Utreras Santander, Bastian Alonso | 6-1,6-0 | |
| ITF - M15 Monastir | 09/05 09:30 | 62 | Evgeny Philippov v Utreras Santander, Bastian Alonso | 6-2,6-0 | |
| ITF - M15 Monastir | 08/30 08:00 | 62 | Raman, Rishabdev v Utreras Santander, Bastian Alonso | 6-3,7-5 | |
| ITF - M15 Monastir | 08/23 08:00 | 62 | Keisuke Saitoh v Utreras Santander, Bastian Alonso | 6-2,6-0 | |
| ITF - M15 Monastir | 02/09 08:00 | 44 | Alvaro G Meza v Utreras Santander, Bastian Alonso | 6-4,6-0 | |
| ITF - M15 Monastir | 02/02 10:00 | 44 | Taylor, Sam v Utreras Santander, Bastian Alonso | 6-2,6-3 | |
| ITF - M15 Monastir | 01/26 10:00 | 44 | Utreras Santander, Bastian Alonso v Procopio, Alessandro | 2-6,2-6 | |
| ITF - M15 Monastir | 01/19 08:00 | 44 | Popovic, Mihailo v Utreras Santander, Bastian Alonso | 6-2,6-2 | |
| ITF - M15 Antalya | 04/29 06:45 | 54 | Utreras Santander, Bastian Alonso v Ruzgas, Marius | 6-7,7-6,5-10 | |
| ITF - M15 Antalya | 03/25 07:00 | 45 | Sabanin, Yan v Utreras Santander, Bastian Alonso | 6-2,6-1 | |
| ITF Turkey F21 Qual | 05/28 07:30 | 62 | Cannell, Joel v Utreras Santander, Bastian Alonso | 6-0,6-1 | |
| ITF Turkey F20 Qual | 05/20 07:30 | 44 | Polmans, Greg v Utreras Santander, Bastian Alonso | 6-4,7-5 | |
| ITF Turkey F19 Qual | 05/12 07:30 | 62 | Utreras Santander, Bastian Alonso v Rossi, Mattia | 7-6,6-7,4-6 | |
| ITF Turkey F18 | 05/05 08:00 | 44 | Bisono Estrella, Juan Rafael v Utreras Santander, Bastian Alonso | 6-4,6-3 | |
| Turkey F17, Singles Qualifying | 04/29 07:30 | 44 | Max Houkes v Utreras Santander, Bastian Alonso | 6-2,6-3 | |
| Turkey F16, Singles Qualifying | 04/21 07:30 | 62 | Baryshev, Alexey v Utreras Santander, Bastian Alonso | 7-6,6-1 |