Alan Kohen defeated Alejandro Hoyos 0-6 6-2 6-4 in the M25 Medellin 1 round of 32 on clay. The upset overturned the form book — Alejandro Hoyos came in leading the head-to-head 1–0. Alan Kohen claimed a first win over Alejandro Hoyos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-09-09 | M15 Ibague 1 | R16 | clay | Alejandro Hoyos | 6-1 6-2 |