Nico Helwerth
Nico Helwerth is a professional tennis umpire known for officiating at major tournaments, including Wimbledon. He gained attention during the 2025 Wimbledon Championships when he had to pause a match between Sonay Kartal and Anastasia Pavlyuchenkova due to a failure in the electronic line-calling system. His quick decision to halt play and address the crowd showcased his responsibilities in ensuring fair play in the sport.
Not in the pool (under ¢1).
Recent news mentions
Nico Helwerth was the umpire who ruled the point should be replayed during the controversial match.
Wimbledon updates system after embarrassing blunder
Taiwan· 2025-07-09
Nico Helwerth opted to replay a point during the match, which led to criticism from Pavlyuchenkova.
Wimbledon 2025: Changes made to electronic line calling after 'human error'
United Kingdom· 2025-07-07Nico Helwerth was the umpire who paused the match to check the electronic line-calling system.
Wimbledon hit with electronic line call controversy as Anastasia Pavlyuchenkova says game was ‘stolen’ from her
United States· 2025-07-07
Nico Helwerth was the umpire who did not know the line-calling system had been turned off.
Wimbledon organisers apologise after line-calling system turned off in error | Wimbledon 2025United Kingdom· 2025-07-06
Chair umpire Nico Helwerth shouted 'stop, stop' to halt play during the incident.
Wimbledon line-calling tech malfunctions as Anastasia Pavlyuchenkova claims game was ‘stolen’
New Zealand· 2025-07-06
Nico Helwerth was the chair umpire who made the controversial call during the match.
Russia’s Pavlyuchenkova loses game as Wimbledon electronic system shut off during a Centre Court match
Canada· 2025-07-06
Nico Helwerth was the chair umpire who halted play during the match due to the electronic system failure.
Wimbledon 2025: Play stopped in Sonay Kartal's match against Anastasia Pavlyuchenkova after electronic line calling failsUnited Kingdom· 2025-07-06