Albert Pedrico Kravtsov defeated Sergio Callejon Hernando 6-3 7-5 in the M15 Castellon 1 round of 32 on clay. The upset overturned the form book — Sergio Callejon Hernando came in leading the head-to-head 2–0. Albert Pedrico Kravtsov claimed a first win over Sergio Callejon Hernando in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-08-08 | M25+H Tauste 1 | SF | hard | Sergio Callejon Hernando | 7-5 6-1 |
| 2024-02-26 | M15 Villena 2 | Q32 | hard | Sergio Callejon Hernando | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.