A Modest Proposal To Improve the Challenge System - The Changeover
TENNIS
Challenge System In Tennis - Explained
The U.S Open replaces human line judges with optical technology : NPR
The Rabbit Hole: Why tennis' challenge system has to go
Why College Tennis Is Expanding Pilot Of PlaySight Challenge System
Can we implement rules to help VAR? The case for a tennis-like 'challenge' system | Digital Sport
What is the tennis challenge system? - Quora
On Tennis' 'Hawk-Eye,' Science is a Buzz-Kill | RealClearScience
Hawk-Eye celebrates nine years at Wimbledon but not without challenges | Wimbledon 2015 | The Guardian
What is the tennis challenge system? - Quora
How Instant Replays Changed Professional Tennis - The Atlantic
Player Challenge - The Championships, Wimbledon - Official Site by IBM
What is the tennis challenge system? - Quora
Review system challenges top men at Australian Open | Tennis News
Automated Line Calls Will Replace Human Judges at U.S. Open - The New York Times
Is This The End For The Tennis Club Cheat?
Hawk-Eye at Wimbledon: it's not as infallible as you think | Mathematics | The Guardian
March 6, 2006: The birth of of Hawk-Eye and the challenge system
French Open Sticks With Umpire's Eye Over Hawk-Eye on Clay - The New York Times
