Stadium: Court 12 Round: 26 Ground: Clay
| ITF M25 Lima | 2021/10/05 17:05 | Oscar Jose Gutierrez v Panta Herreros, Jorge Brian | 6-2,6-2 |
| Challenger Lima | 2021/09/27 15:00 | Johan Nikles v Oscar Jose Gutierrez | 6-4,6-2 |
| Challenger Lima | 2021/09/26 19:50 | Ignacio Buse v Oscar Jose Gutierrez | 4-6,1-6 |
| ITF M15 Recife | 2021/09/23 14:50 | Marcelo Zormann v Oscar Jose Gutierrez | 6-2,4-6,7-5 |
| ITF M15 Recife | 2021/09/22 13:00 | Oliveira, Cristian v Oscar Jose Gutierrez | 3-6,0-6 |
| ITF M25 Madrid | 2021/09/16 11:45 | Pablo Llamas Ruiz v Oscar Jose Gutierrez | 6-3,6-3 |
| ITF M25 Madrid | 2021/09/14 09:00 | Toledo Bague, Pol v Oscar Jose Gutierrez | 3-6,2-6 |
| ITF M25 Oviedo | 2021/09/02 09:00 | Oscar Jose Gutierrez v Garcia, Alejandro | 2-6,3-6 |
| ITF M25 Lima | 2021/10/05 15:00 | Luca Castelnuovo v Boris Arias | 4-6,6-4,3-6 |
| ITF M15 Ibague | 2021/09/07 16:30 | Boris Arias v Gomez, Mateo | 5-7,5-7 |
| Challenger Cary | 2021/07/18 16:35 | Boris Arias v Shintaro Mochizuki | 3-6,0-6 |
| ITF M25 Weston | 2021/06/28 19:00 | Liam Draxl v Boris Arias | 6-3,6-2 |
| ITF M15 Santo Domingo | 2020/12/06 14:30 | Khan, Zane v Boris Arias | 6-2,6-1 |
| ITF M15 Santo Domingo | 2020/11/29 14:30 | Stalder, Reese v Boris Arias | 6-2,6-2 |
| UTR Pro Tennis Series Florida | 2020/09/24 15:00 | Boris Arias v King, Evan | 6-4,1-6,5-10 |
| UTR Pro Tennis Series Florida | 2020/09/24 13:20 | Boris Arias v Scott, Fletcher | 2-6,5-7 |