Darren Cahill (born 2 October 1965 in Adelaide, Australia) is a tennis coach and former professional tennis player from Australia. In addition, Cahill is a tennis analyst for the Grand Slam events on the US sports network ESPN and a coach with the Adidas Player Development Program and at ProTennisCoach.com.
Cahill's best singles performance at a Grand Slam event came at the 1988 US Open, where he knocked out Boris Becker in the second round on the way to reaching the semifinals, where he lost to eventual champion Mats Wilander.
Cahill was a member of the Australian team which reached the final of the Davis Cup in 1990. The team lost 3–2 to the United States in the final. Cahill compiled a 6–4 career Davis Cup record (4–0 in doubles and 2–4 in singles).
In 1989, Cahill's reached his career peak doubles ranking of world no. 10 and his peak singles ranking of no. 22 in 1989. After chronic knee injuries and ten operations, he retired from the professional tour in 1994.
Since retiring from the tour, Cahill has been a successful tennis coach and guided Lleyton Hewitt to become the youngest player ever ranked world no. 1. After Hewitt, Cahill coached Andre Agassi, who under Cahill became the oldest player ever to be ranked world no. 1 in May 2003. Cahill joined the Adidas Player Development Program after Agassi retired in 2006 and has worked with high-profile players, including Andy Murray, Ana Ivanovic, Fernando Verdasco, Daniela Hantuchová, Sorana Cîrstea and Simona Halep. He is also an Adidas talent scout and works with promising junior players worldwide.
In addition to coaching individual players, Cahill was the Australian Davis Cup coach from 2007 until February 2009. With Roger Rasheed, Brad Gilbert, and Paul Annacone, Cahill is a coach at ProTennisCoach.com, an open-access, professional coaching website.
Since 2007, Cahill is a tennis analyst for the global sports network ESPN for the four major tennis Grand Slams: the Australian Open, French Open, Wimbledon and the US Open. He also works for the Australian television network Channel 7 for the Hopman Cup and Australian Open.
Grand Slam finals
Mixed doubles: 1 (0–1)
|Runner-up||1987||Wimbledon||Grass||Nicole Provis|| Jo Durie|
Singles 4 (3-1)
|Winner||1.||10 August 1987||New Haven, Connecticut||Hard||Dan Cassidy||6-0, 6-3|
|Winner||2.||4 July 1988||Gstaad, Switzerland||Clay||Jakob Hlasek||6-3, 6-4, 7-6|
|Runner-up||1.||9 July 1990||Newport, Rhode Island||Grass||Pieter Aldrich||6–7, 6-1, 1-6|
|Winner||3.||4 February 1991||San Francisco, California||Carpet||Brad Gilbert||6-2, 3-6, 6-4|
Doubles: 20 (13-7)
|Winner||1.||23 December 1985||Melbourne, Australia||Grass||Peter Carter|| Brett Dickinson|
|Runner-up||1.||9 Jun 1986||Queen's Club, London, England||Grass||Mark Kratzmann|| Kevin Curren|
|Runner-up||2.||13 September 1987||Bordeaux, France||Clay||Mark Woodforde|| Sergio Casal|
|Winner||2.||12 October 1987||Sydney Indoor, Sydney, Australia||Hard (i)||Mark Kratzmann|| Boris Becker|
|Winner||3.||28 December 1987||Adelaide, Australia||Hard||Mark Kratzmann|| Carl Limberger|
|4-6, 6-2, 7-5|
|Winner||4.||4 January 1988||Sydney Outdoor, Sydney, Australia||Grass||Mark Kratzmann|| Joey Rive|
|Winner||5.||25 April 1988||Hamburg, Germany||Grass||Laurie Warder|| Rick Leach|
|Winner||6.||10 October 1988||Sydney Indoor, Sydney, Australia||Hard (i)||John Fitzgerald|| Marty Davis|
|Winner||7.||9 January 1989||Sydney Outdoor, Sydney, Australia||Hard||Wally Masur|| Pieter Aldrich|
|Runner-up||3.||16 January 1989||Australian Open, Melbourne, Australia||Hard||Mark Kratzmann|| Rick Leach|
|4-6, 4-6, 4-6|
|Winner||8.||12 June 1989||Queen's Club, London, England||Grass||Mark Kratzmann|| Tim Pawsat|
|Winner||9.||2 October 1989||Brisbane, Australia||Hard||Mark Kratzmann|| Broderick Dyke|
|6-4, 5-7, 6-0|
|Runner-up||4.||9 October 1989||Sydney Indoor, Sydney, Australia||Hard (i)||Mark Kratzmann|| Scott Warner|
|3-6, 7-6, 5-7|
|Winner||10.||26 February 1990||Memphis, Tennessee||Hard (i)||Mark Kratzmann|| Udo Riglewski|
|Winner||11.||9 September 1990||Newport, Rhode Island||Grass||Mark Kratzmann|| Todd Nelson|
|Winner||12.||6 October 1990||Cincinnati, Ohio||Hard||Mark Kratzmann|| Neil Broad|
|Runner-up||5.||29 October 1990||Paris, France||Carpet||Mark Kratzmann|| Scott Davis|
|7-5, 3-6, 4-6|
|Runner-up||6.||7 January 1991||Sydney Outdoor, Sydney, Australia||Hard||Mark Kratzmann|| Scott Davis|
|6–3, 3-6, 2-6|
|Winner||13.||10 January 1994||Sydney Outdoor, Sydney, Australia||Hard||Sandon Stolle|| Mark Kratzmann|
|Runner-up||7.||31 January 1994||Dubai, United Arab Republic||Hard||John Fitzgerald|| Todd Woodbridge|
|7-6, 4-6, 2-6|