| Country (sports) | |
|---|---|
| Residence | Adelaide, Australia[1] |
| Born | (1965-10-02)2 October 1965 (age 60) Adelaide, Australia |
| Height | 1.85 m (6 ft 1 in) |
| Turned pro | 1984 |
| Retired | 1995 |
| Plays | Right-handed (one-handed backhand) |
| Prize money | US$ 1,349,247 |
| Singles | |
| Career record | 133–122 |
| Career titles | 2 |
| Highest ranking | No. 22 (24 April 1989) |
| Grand Slam singles results | |
| Australian Open | 3R (1985,1989,1991) |
| French Open | 3R (1985,1987,1989) |
| Wimbledon | 2R (1988,1990,1994) |
| US Open | SF (1988) |
| Other tournaments | |
| Olympic Games | 2R (1988) |
| Doubles | |
| Career record | 192–138 |
| Career titles | 13 |
| Highest ranking | No. 10 (7 August 1989) |
| Grand Slam doubles results | |
| Australian Open | F (1989) |
| French Open | 3R (1987,1988) |
| Wimbledon | QF (1987,1989) |
| US Open | QF (1989) |
| Other doubles tournaments | |
| Tour Finals | RR (1990) |
| Olympic Games | QF (1988) |
| Grand Slam mixed doubles results | |
| Australian Open | 2R (1988,1995) |
| French Open | QF (1989) |
| Wimbledon | F (1987) |
| US Open | QF (1986) |
| Coaching career | |
| Coaching achievements | |
| List of notable tournaments (with champion)
| |
| Last updated on: 14 July 2025. | |
Darren Cahill (born 2 October 1965) is an Australiantennis coach and former professionaltennis player. In addition, Cahill is a tennis analyst for the Grand Slam events on the US sports networkESPN and a coach with theAdidas Player Development Program and at ProTennisCoach.com.
Cahill is the son ofAustralian rules football player and coachJohn Cahill. After high school he attended theAustralian Institute of Sport on a scholarship.[2]
Cahill turned professional in 1984. He won his first tour doubles title in 1985 at theMelbourne Outdoor tournament. In 1987, he won his first top-level singles title atNew Haven.
Cahill's best singles performance at aGrand Slam event came at the1988 US Open, where he knocked outLawson Duncan,Boris Becker,Marcelo Ingaramo (a walkover after Ingaramo withdrew),Martin Laurendeau, andAaron Krickstein on the way to reaching the semifinals, where he lost to eventual championMats Wilander.
In 1989, Cahill finished runner-up in men's doubles at theAustralian Open partnering fellow AussieMark Kratzmann. Also with Kratzmann, Cahill won theATP Championships inCincinnati.
Cahill was a member of the Australian team which reached the final of theDavis 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).
Cahill won his last tour singles title in 1991 atSan Francisco. His last doubles title came in 1994 inSydney.
In 1989, Cahill's reached his career peak doubles ranking of world No. 10 and his peak singles ranking of no. 22 in 1989.[3] After chronic knee injuries and ten operations, he retired from the professional tour in 1995.[3]

Since retiring from the tour, Cahill has been a successful tennis coach and guidedLleyton Hewitt to become the second youngest player ever rankedworld No. 1.[3] After Hewitt, Cahill coachedAndre Agassi, who under Cahill became the oldest player ever to be ranked world no. 1 in May 2003 (later surpassed by multiple players).[4] Cahill joined the Adidas Player Development Program after Agassi retired in 2006 and has worked with high-profile players, includingAndy Murray,Ana Ivanovic,Fernando Verdasco,Daniela Hantuchová,Sorana Cîrstea, andSimona Halep. In 2017 and 2018, he coached Halep to No.1 on the WTA Tour and the2018 French Open championship. After a year away, Cahill rejoined with Halep in 2020.
In addition to coaching individual players, Cahill was the AustralianDavis Cup coach from 2007 until February 2009. He is also anAdidas talent scout and works with promising junior players worldwide.[5] He is now a member of theAdidas Player Development Program.[3] WithRoger Rasheed,Brad Gilbert, andPaul Annacone, Cahill is a coach at ProTennisCoach.com, an open-access, professional coaching website.[6] Cahill is also involved withPlaySight Interactive, a sports technology company behind the SmartCourt. Along with Paul Annacone, he heads up PlaySight's Coaching and Player Development team, helping the company to bring its technology to more tennis coaches and players across the world.[7]
In January 2022, Cahill began coaching tennis playerAmanda Anisimova as a trial coach.[8] He joinedSimone Vagnozzi as a coach forJannik Sinner in July 2022.[9] The pair received the Coach of the Year award at the 2023ATP Awards.[10]
Cahill coached Sinner to win the 2024 Australian Open[11] and US Open, and the 2025 Australian Open and Wimbledon.
Since 2007, Cahill is a tennis analyst for the global sports networkESPN for three of the four major tennisGrand Slams: theAustralian Open,Wimbledon and theUS Open. He also works for the Australian television networkChannel 7 for theHopman Cup andAustralian Open.[12]
Cahill and his wife Victoria married in 2000.[13] They have two children, Benjamin and Tahlia.
Cahill'snickname is "Killer".[12]
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| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Win | 1–0 | Jul 1988 | Gstaad, Switzerland | Grand Prix | Clay | 6–3, 6–4, 7–6(7–2) | |
| Loss | 1–1 | Jul 1990 | Newport, United States | World Series | Grass | 6–7(10–12), 6–1, 1–6 | |
| Win | 2–1 | Feb 1991 | San Francisco, United States | World Series | Carpet | 6–2, 3–6, 6–4 |
|
|
| Result | No. | Date | Tournament | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|
| Win | 1. | 23 December 1985 | Melbourne, Australia | Grass | 7–6, 6–1 | ||
| Loss | 1. | 9 Jun 1986 | Queen's Club, London, England | Grass | 2–6, 6–7 | ||
| Loss | 2. | 13 September 1987 | Bordeaux, France | Clay | 3–6, 3–6 | ||
| Win | 2. | 12 October 1987 | Sydney Indoor, Australia | Hard (i) | 6–3, 6–2 | ||
| Win | 3. | 28 December 1987 | Adelaide, Australia | Hard | 4–6, 6–2, 7–5 | ||
| Win | 4. | 4 January 1988 | Sydney Outdoor, Australia | Grass | 7–6, 6–4 | ||
| Win | 5. | 25 April 1988 | Hamburg, West Germany | Grass | 6–4, 6–4 | ||
| Win | 6. | 10 October 1988 | Sydney Indoor, Australia | Hard (i) | 6–3, 6–2 | ||
| Win | 7. | 9 January 1989 | Sydney Outdoor, Australia | Hard | 6–4, 6–3 | ||
| Loss | 3. | 16 January 1989 | Australian Open, Melbourne | Hard | 4–6, 4–6, 4–6 | ||
| Win | 8. | 12 June 1989 | Queen's Club, London, England | Grass | 7–6, 6–3 | ||
| Win | 9. | 2 October 1989 | Brisbane, Australia | Hard | 6–4, 5–7, 6–0 | ||
| Loss | 4. | 9 October 1989 | Sydney Indoor, Australia | Hard (i) | 3–6, 7–6, 5–7 | ||
| Win | 10. | 26 February 1990 | Memphis, Tennessee | Hard (i) | 7–5, 6–2 | ||
| Win | 11. | 9 September 1990 | Newport, Rhode Island | Grass | 7–6, 6–2 | ||
| Win | 12. | 6 October 1990 | Cincinnati, Ohio | Hard | 7–6, 6–2 | ||
| Loss | 5. | 29 October 1990 | Paris, France | Carpet | 7–5, 3–6, 4–6 | ||
| Loss | 6. | 7 January 1991 | Sydney Outdoor, Australia | Hard | 6–3, 3–6, 2–6 | ||
| Win | 13. | 10 January 1994 | Sydney Outdoor, Australia | Hard | 6–1, 7–6 | ||
| Loss | 7. | 31 January 1994 | Dubai, United Arab Republic | Hard | 7–6, 4–6, 2–6 |
| Result | Year | Tournament | Surface | Partner | Opponent | Score |
|---|---|---|---|---|---|---|
| Loss | 1987 | Wimbledon | Grass | 6–7(10–12), 3–6 |
| W | F | SF | QF | #R | RR | Q# | DNQ | A | NH |
| Tournament | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | SR | W–L | Win % | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grand Slam tournaments | ||||||||||||||||||||||
| Australian Open | Q3 | 2R | 3R | A | 1R | 2R | 3R | 1R | 3R | A | A | 1R | 0 / 8 | 8–8 | 50% | |||||||
| French Open | A | A | 3R | 2R | 3R | 1R | 3R | 1R | A | A | A | 1R | 0 / 7 | 7–7 | 50% | |||||||
| Wimbledon | A | A | Q2 | 1R | Q2 | 2R | 1R | 2R | A | A | A | 2R | 0 / 5 | 3–5 | 38% | |||||||
| US Open | A | A | A | 1R | 2R | SF | 2R | 4R | A | A | A | A | 0 / 5 | 10–5 | 67% | |||||||
| Win–loss | 0–0 | 1–1 | 4–2 | 1–3 | 3–3 | 7–4 | 5–4 | 4–4 | 2–1 | 0–0 | 0–0 | 1–3 | 0 / 25 | 28–25 | 53% | |||||||
| National Representation | ||||||||||||||||||||||
| Summer Olympics | NH | A | Not Held | 2R | Not Held | A | NH | 0 / 1 | 1–1 | 50% | ||||||||||||
| ATP Masters Series | ||||||||||||||||||||||
| Indian Wells | A | A | A | A | A | 3R | 2R | 3R | 3R | A | A | QF | 0 / 5 | 10–5 | 67% | |||||||
| Miami | A | A | A | A | 3R | 2R | 3R | 1R | 3R | A | A | A | 0 / 5 | 6–5 | 55% | |||||||
| Monte Carlo | A | A | A | A | A | 1R | A | A | A | A | A | A | 0 / 1 | 0–1 | 0% | |||||||
| Hamburg | A | A | A | A | 2R | 3R | 1R | A | A | A | A | Q1 | 0 / 3 | 3–3 | 50% | |||||||
| Rome | A | A | A | A | A | A | 3R | A | A | A | A | Q3 | 0 / 1 | 2–1 | 67% | |||||||
| Canada | A | A | A | A | A | A | A | 3R | A | A | A | A | 0 / 1 | 2–1 | 67% | |||||||
| Cincinnati | A | A | A | A | A | 1R | A | 3R | A | A | A | A | 0 / 2 | 2–2 | 50% | |||||||
| Paris | A | A | A | A | A | 1R | A | A | A | A | A | A | 0 / 1 | 0–1 | 0% | |||||||
| Win–loss | 0–0 | 0–0 | 0–0 | 0–0 | 3–2 | 5–6 | 5–4 | 6–4 | 3–2 | 0–0 | 0–0 | 3–1 | 0 / 19 | 25–19 | 57% | |||||||
| Tournament | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | SR | W–L | Win % | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grand Slam tournaments | ||||||||||||||||||||||
| Australian Open | A | A | 1R | 2R | A | QF | 3R | F | QF | 3R | A | A | 1R | 1R | 0 / 9 | 15–9 | 63% | |||||
| French Open | A | A | A | 1R | 2R | 3R | 3R | 1R | 1R | 2R | A | A | 2R | A | 0 / 8 | 7–8 | 47% | |||||
| Wimbledon | A | A | A | 1R | 2R | QF | 2R | QF | 1R | A | A | A | 1R | A | 0 / 7 | 8–7 | 53% | |||||
| US Open | A | A | A | A | 1R | 1R | 3R | QF | 1R | A | A | A | 2R | A | 0 / 6 | 6–6 | 50% | |||||
| Win–loss | 0–0 | 0–0 | 0–1 | 1–3 | 2–3 | 7–4 | 7–4 | 11–4 | 3–4 | 3–2 | 0–0 | 0–0 | 2–4 | 0–1 | 0 / 30 | 36–30 | 55% | |||||
| National Representation | ||||||||||||||||||||||
| Summer Olympics | NH | A | Not Held | QF | Not Held | A | Not Held | 0 / 1 | 2–1 | 67% | ||||||||||||
| Year-end Championships | ||||||||||||||||||||||
| ATP Finals | Did not qualify | RR | Did not qualify | 0 / 1 | 0–3 | 0% | ||||||||||||||||
| ATP Masters Series | ||||||||||||||||||||||
| Indian Wells | A | A | A | A | A | 1R | 2R | 1R | 2R | 2R | A | A | SF | A | 0 / 6 | 5–6 | 45% | |||||
| Miami | A | A | A | A | A | 1R | 2R | QF | SF | 3R | A | A | A | A | 0 / 5 | 8–5 | 62% | |||||
| Monte Carlo | A | A | A | A | A | 1R | 2R | A | A | A | A | A | A | A | 0 / 2 | 0–2 | 0% | |||||
| Hamburg | A | A | A | A | A | 2R | W | A | A | A | A | A | 2R | A | 1 / 3 | 6–2 | 75% | |||||
| Rome | A | A | A | 1R | 2R | A | A | 1R | A | A | A | A | 1R | A | 0 / 4 | 1–4 | 20% | |||||
| Canada | QF | A | A | A | A | A | A | A | 1R | A | A | A | A | A | 0 / 2 | 2–2 | 50% | |||||
| Cincinnati | 1R | A | A | A | A | QF | SF | A | W | A | A | A | 2R | A | 1 / 5 | 11–4 | 73% | |||||
| Paris | A | A | A | A | A | A | SF | A | F | A | A | A | A | A | 0 / 2 | 5–2 | 71% | |||||
| Win–loss | 2–2 | 0–0 | 0–0 | 0–1 | 1–1 | 3–5 | 15–5 | 3–3 | 12–4 | 1–2 | 0–0 | 0–0 | 5–4 | 0–0 | 2 / 29 | 42–27 | 61% | |||||
| Tournament | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | SR | W–L | Win % | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grand Slam tournaments | ||||||||||||||||||||||
| Australian Open | A | A | 2R | A | 1R | A | A | A | 1R | 2R | 0 / 4 | 2–4 | 33% | |||||||||
| French Open | A | 2R | 3R | QF | A | A | A | A | A | A | 0 / 3 | 5–3 | 63% | |||||||||
| Wimbledon | 2R | F | QF | QF | 3R | A | A | A | A | A | 0 / 5 | 14–5 | 74% | |||||||||
| US Open | QF | A | 1R | 1R | A | A | A | A | A | A | 0 / 3 | 2–3 | 40% | |||||||||
| Win–loss | 3–2 | 6–2 | 6–4 | 5–3 | 2–2 | 0–0 | 0–0 | 0–0 | 0–1 | 1–1 | 0 / 15 | 23–15 | 61% | |||||||||
| Awards and achievements | ||
|---|---|---|
| Preceded by | ATP Coach of the Year 2023 (with | Succeeded by |