Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Santo Domingo | 2021/11/30 13:00 | Achondo, Gonzalo v 스타쿠직, 마르코 | 1-6,1-6 |
| ITF M15 Cochabamba | 2021/11/17 19:40 | Achondo, Gonzalo v 판타 헤레로스, 조르지 브리안 | 1-6,2-6 |
| ITF M15 Cochabamba | 2021/11/16 15:20 | Achondo, Gonzalo v Jose Andres Arandia | 6-0,6-0 |
| ITF M15 Cochabamba | 2021/11/15 17:50 | Achondo, Gonzalo v Juan Luis Yanine | 6-4,6-4 |
| ITF M25 Guayaquil | 2021/10/28 18:35 | 헤르난데즈 세라노, 주안 알레잔드로 v Achondo, Gonzalo | 6-0,6-1 |
| ITF M25 Guayaquil | 2021/10/26 16:20 | Juan Diego Rojas Mora v Achondo, Gonzalo | 6-4,1-6,4-6 |
| ITF M15 Cairo | 2021/08/30 12:30 | Achondo, Gonzalo v Gagliardo, Lorenzo | 4-6,0-6 |
| ITF M15 Bad Waltersdorf | 2021/08/23 07:00 | Achondo, Gonzalo v 바치마이엘, 필리프 | 0-6,3-6 |
| ITF M15 East Lansing | 2021/11/16 16:00 | Ingildsen, Johannes v 쿠하르, 맷 | 2-6,6-4,11-13 |
| ITF M15 Fayetteville | 2021/11/04 15:00 | 보룸, 찰레스 v Ingildsen, Johannes | 6-4,4-6,7-6 |
| ITF M15 Fayetteville | 2021/11/03 18:15 | Claverie, Lorenzo v Ingildsen, Johannes | 6-2,5-7,0-6 |
| ITF M15 Tallahassee | 2021/10/31 14:00 | Ingildsen, Johannes v 키르코브, 바실 | 6-4,1-6,2-6 |
| ITF M15 Tallahassee | 2021/10/30 14:00 | 샌, 리안 v Ingildsen, Johannes | 6-1,4-6,3-6 |
| ITF M15 Tallahassee | 2021/10/29 14:00 | 데스코트, 마티아스 프란코 v Ingildsen, Johannes | 6-7,3-6 |
| ITF M15 Tallahassee | 2021/10/28 16:00 | 레코, 알렉산드레 v Ingildsen, Johannes | 2-6,7-5,4-6 |
| ITF M15 Tallahassee | 2021/10/27 19:55 | Ingildsen, Johannes v 킹슬레이, 캐논 | 3-6,6-2,7-5 |