George Lazarov defeated Lucca Helguera Casado 6-2 6-3 in the M15 Antalya 2 q64 on clay. The upset overturned the form book — Lucca Helguera Casado came in leading the head-to-head 1–0. George Lazarov claimed a first win over Lucca Helguera Casado in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-05-12 | M15 Kursumlijska Banja 3 | Q16 | clay | Lucca Helguera Casado | 3-6 6-3 10-8 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.