Q 01/05

Hawk-Eye, used in more than 20 sports, was first implemented in 2001 to analyse what?

A) Tennis service faults

B) Offside calls in football

C) Putting lines in golf

D) Leg before wicket decisions in cricket

Answer · why

D) Leg before wicket decisions in cricket

Paul Hawkins developed it in the United Kingdom for television broadcasts. It has since spread to tennis, football, baseball and more.

Q 02/05

Hawk-Eye is advertised as accurate to within how many millimetres?

A) 2.6 mm

B) 5 mm

C) 10 mm

D) 25 mm

Answer · why

A) 2.6 mm

Up to ten high-speed cameras, usually mounted under the stadium roof, triangulate the ball's path into a 3D trajectory.

Q 03/05

Which Grand Slam first made official use of Hawk-Eye, with two challenges per set?

A) The 2006 US Open

B) Wimbledon 2003

C) The 2005 Australian Open

D) The 2008 French Open

Answer · why

A) The 2006 US Open

Controversial calls against Serena Williams in her 2004 US Open quarter-final had pushed the sport toward electronic line calling.

Q 04/05

Which electronics company bought the Hawk-Eye system in 2011?

A) Panasonic

B) Samsung

C) Philips

D) Sony

Answer · why

D) Sony

In 2006 a Wisden-led investor group had bought the company for 4.4 million pounds to strengthen its position in cricket and tennis.

Q 05/05

When did IFAB formally write the video assistant referee into the Laws of the Game?

A) 1 July 2014

B) 15 August 2016

C) 3 March 2018

D) 12 June 2019

Answer · why

C) 3 March 2018

The system operates under the philosophy of minimal interference, maximum benefit, targeting clear and obvious errors and serious missed incidents.