Head-to-Head
Overview
Joao Fonseca and Karen Khachanov have met 2 times since 2025. The rivalry is level at 1–1. On hard, they're tied 1–1. Their first encounter was at the 2025 Paris Masters (R32), won by Karen Khachanov. Most recently they met at the 2026 Indian Wells (R64), with Joao Fonseca winning.
By surface
- hard1 – 1