Why Alexandra Eala Lost the Deciding Set: The Science of Pressure, Heart Rate, and Split-Second Timing in Elite Tennis
What happened to Alexandra Eala is common in elite tennis. When a match reaches its most important moments, the body and brain enter a high-stress state that changes heart rate, breathing, muscle control, and decision-making.
1. The heart rate rises dramatically
During routine rallies, a professional player's heart rate may be around 120–150 beats per minute (bpm).








