Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 Cochabamba | 2021/11/17 19:40 | Gonzalo Achondo v Jorge Panta | 1-6,2-6 |
| ITF - M15 Cochabamba | 2021/11/16 15:20 | Gonzalo Achondo v Jose Andres Arandia | 6-0,6-0 |
| ITF - M15 Cochabamba | 2021/11/15 17:50 | Gonzalo Achondo v Juan Luis Yanine | 6-4,6-4 |
| ITF - M25 Guayaquil | 2021/10/28 18:35 | Juan A H Serrano v Gonzalo Achondo | 6-0,6-1 |
| ITF - M25 Guayaquil | 2021/10/26 16:20 | Juan Diego Rojas Mora v Gonzalo Achondo | 6-4,1-6,4-6 |
| ITF - M15 Káhira | 2021/08/30 12:30 | Gonzalo Achondo v Lorenzo Gagliardo | 4-6,0-6 |
| ITF - M15 Bad Waltersdorf | 2021/08/23 07:00 | Gonzalo Achondo v Philip Bachmaier | 0-6,3-6 |
| ITF - M15 Warmbad-Villach | 2021/08/16 12:30 | Philip Bachmaier v Gonzalo Achondo | 6-1,6-3 |
| ITF - M25 Santo Domingo | 2021/11/28 13:30 | Xavier Lawrence v Marko Stakusic | 2-6,4-6 |
| ITF - M15 Novi Sad | 2021/08/01 11:15 | Marko Stakusic v Petar Jovanovic | 5-7,3-6 |
| ITF - M15 Novi Sad | 2021/07/25 12:00 | Marko Stakusic v Nikolas Lahky | 3-6,5-7 |
| ITF - M15 Doboj | 2021/07/13 08:00 | Vladan Tadic v Marko Stakusic | 6-3,6-4 |
| ITF - M15 Sarajevo | 2021/06/02 14:30 | Gauthier Onclin v Marko Stakusic | 6-1,6-1 |
| ITF - M25 Kiseljak | 2021/05/25 12:55 | Gorazd Srbljak v Marko Stakusic | 4-6,6-3,6-2 |
| Challenger - Granby | 2019/07/22 13:00 | Hunter Reese v Marko Stakusic | 6-4,7-5 |
| ITF Canada F7 | 2018/09/08 13:00 | Gabriel Diallo v Marko Stakusic | 6-2,6-4 |