Overview

• Alexander Zverev received a warning for unsportsmanlike conduct after photographing a disputed ball mark during his Madrid Open match against Alejandro Davidovich Fokina.
• Zverev claimed the electronic line-calling system malfunctioned, insisting the ball landed several centimeters wide, and later posted the photo on Instagram to support his argument.
• The ATP's decision to replace human line judges with electronic systems on clay courts has faced criticism, with players like Aryna Sabalenka and Victoria Azarenka also voicing concerns through similar protests.
• The French Open remains the only major clay-court tournament to retain human line judges, intensifying discussions on balancing technology and tradition in tennis officiating.
• Governing bodies are now weighing potential fines for Zverev's actions as scrutiny over the reliability of Hawk-Eye technology on clay continues to grow.