The U.S Open replaces human line judges with optical technology : NPR
Tennis Ball on Baseline of Court Stock Photo - Image of exercise, macro: 5658732
Closest Hawkeye Calls of All Time - Tennis - YouTube
Electronic Endorsement - Colette Lewis - The Tennis Recruiting Network
Close call looked in to me. : r/tennis
The Top 5 Blown Calls That Technology Could've Stopped
TENNIS on Twitter: "Fucsovics disputes missed line call in Rome on social media, spurring debate of Hawk-Eye on clay: https://t.co/P6ZV5lyosV https://t.co/hKCknj8Wbh" / Twitter
WIAA state tennis: With revamped lineup, Muskego chases team title
Tennis ATP - Closest Hawk Eye Challenge of 2018 - YouTube
Salvatore Caruso Close Call GIF - Salvatore Caruso Close Call Tennis - Discover & Share GIFs
Electronic line calling set for all Australian Open courts | Tennis News - Times of India
Hawk-Eye at Wimbledon: it's not as infallible as you think | Mathematics | The Guardian
Close call: Bobcats fall to Southern Utah, 4-3 | Bobcats | bozemandailychronicle.com
Automated Line Calls Will Replace Human Judges at U.S. Open - The New York Times
Australian Open's electronic line-calling necessary, but players prefer human element - Washington Times
After another close call, Dimitrov keeps looking ahead
Tennis Moves Toward Taking the Human Element Out of Line Calls - The New York Times
/cloudfront-us-east-2.images.arcpublishing.com/reuters/KBMKFRVZCRMLLGS5YBUSZSVWEI.jpg "At the U.S. Open, that voice yelling 'Out!' comes from a computer | Reuters")