Facundo Yunis defeated Lukas Hellum Lilleengen 3-6 6-1 10-5 in the M15 Frederiksberg 1 q32 on clay. The upset overturned the form book — Lukas Hellum Lilleengen came in leading the head-to-head 1–0. Facundo Yunis claimed a first win over Lukas Hellum Lilleengen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-10-24 | M15 Antalya 29 | Q64 | clay | Lukas Hellum Lilleengen | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.