Carlos Ramos, umpire in Serena Williams' final, is 'firm but fair'
ITF launch free 'Rules of Tennis' app
Officiating in Tennis | ITF
ZooTennis: Kalinskaya Again Sweeps ITF Grade 1 International Hard Court Championships; Auger Aliasimme Takes Boys Title
Carlos Ramos Returns to Work at Davis Cup - The New York Times
Officiating in Tennis | ITF
Bolivian tennis umpire banned for six years for betting breaches
WTA and ITF to increase ranking points at World Tennis Tour events in 2021
Officiating in Tennis | ITF
Vermont ITF Tennis Umpire Chair & Player Bench Set
Swiss Tennis Officials - Percevent Ducrest passed ITF L2 school! Great news have arrived from Koksijde, Belgium, where yesterday marked the end of last week's ITF Level 2 Officiating school. Percevent Ducrest
Officiating in Tennis | ITF
Somewhere Up There: Chatting with Chair Umpire Marijana Veljovic – The Tennis Island
You can't be the player's friend': inside the secret world of tennis umpires | Tennis | The Guardian
Roles of Officials - Tennis Canada
Carlos Ramos Returns to Work at Davis Cup - The New York Times
Marijana Veljovic On The Life Of An Umpire | International Tennis Federation - YouTube
ITF defends U.S. Open chair umpire Ramos | Reuters
Grand Slam tennis tournaments | ITF
Official (tennis) - Wikipedia
London | ITF revenues boosted | Tennis Threads Magazine