Be a tennis line judge: Interactive tests your skills | FlowingData
Wimbledon quiz: Could you be a line umpire? - BBC Sport
Official (tennis) - Wikipedia
Cyclops in Tennis: Assisted Line Judging Before Hawkeye - Perfect Tennis
Meet Wimbledon's unsung heroes battling for survival amid rise of the robots
Nick Kyrgios blasts Wimbledon line judge as a 'snitch' | indy100
US Open does away with line judges, a year after Novak Djokovic was disqualified for hitting one - ABC News
Damian Steiner: Wimbledon final chair umpire sacked by ATP | Tennis News | Sky Sports
What Is A Tennis Line Judge?
Could you cut it as a tennis line judge?
The hardest part about being a tennis line umpire
Wimbledon consider replacing line judges with an automated system for 2021 event | Tennis News | Sky Sports
McEnroe's Call for Tournament Line Judges: 'Out!' - The New York Times
How To Get Started In A Tennis Official Role | LTA
You can't be the player's friend': inside the secret world of tennis umpires | Tennis | The Guardian
Electronic Line Judge: Software System, Tennis, Works
About a linesman - TENNIS
US Open does away with line judges, a year after Novak Djokovic was disqualified for hitting one - ABC News
Could you be a tennis line judge?
Eva Asderaki - Wikipedia
Hawk-Eye to replace tennis line judges
Line judges | Stephen Jones: a blog
Orathip Sritawan: The only Thai line judge at Wimbledon | Main Stand
Tennis umpire out hi-res stock photography and images - Alamy
