Helwerth

Helwerth is an official in tennis known for his role as a chair umpire. He gained attention during the Wimbledon 2025 tournament when he faced scrutiny after the electronic line-calling system failed to make a crucial call during a match, leading to a point being replayed. His decision-making and handling of the situation were highlighted in the aftermath, as players and spectators questioned the protocol and the implications of the malfunction.