Mark Keil

Mark Keil (born June 3, 1967 in Mountain View, California) is a former professional tennis player from the United States who won five ATP World Tour doubles tournaments and was runner up at eight more.

Prior to college, Keil was raised in Albuquerque and in 1985 he was the NM 4-A HS state singles champion. He played in the USTA Boy's 16's & 18's National Championships in Kalamazoo, Michigan, from 1983–1985 and the Orange Bowl ITF junior event in 1985. Keil turned pro in the middle of his junior year (1987) from the University of South Florida.

One of Keil's major career wins came in the second round of the 1991 Queen's Club Championships in London when he defeated Pete Sampras, then ranked 8th in the world, in straight sets. Keil went on to play in the main draw at Wimbledon in 1991 and 1993 and reached a career-high ATP singles ranking of no. 167. He qualified and won a round in singles at the 1993 Australian Open.

Keil later carved a career for himself on the doubles tour, reaching a career-high ranking of no. 32 in 1995. He has doubles wins over Stefan Edberg, Boris Becker, Todd Martin, Tommy Haas, Andre Agassi, Gustavo Kuerten and Mark Philippoussis. He won five ATP World Tour doubles titles in his career.

He also directed and produced with Geoff Grant a film documenting life behind the scenes for a tour professional. The Journeymen follows Keil and his doubles partner Geoff Grant as they try to make a living on the doubles tour.

His father, Klaus Keil was an award winning research scientist at the School of Ocean and Earth Science and Technology (SOEST) at the University of Hawaii at Manoa. Asteroid 5054 Keil, and the mineral keilite are named after Klaus. He has a former touring tennis pro sister, Kathrin Keil.

Keil was married from 1999–2001 to Dr. Camilla Hildebrand.

Doubles

Titles (5)

Date	Tournament	Surface	Partner	Opponents in the final	Score
March 2, 1992	Scottsdale, U.S.	Hard	Dave Randall	Kent Kinnear & Sven Salumaa	4–6, 6–1, 6–2
March 1, 1993	Scottsdale, USA	Hard	Dave Randall	Luke Jensen & Sandon Stolle	7–5, 6–4
April 4, 1993	Osaka, Japan	Hard	Christo van Rensburg	Glenn Michibata & David Pate	7–6, 6–3
March 12, 1995	Copenhagen, Denmark	Carpet	Peter Nyborg	Guillaume Raoux & Greg Rusedski	6–7, 6–4, 7–6
March 12, 1995	Bucharest, Romania	Clay	Jeff Tarango	Cyril Suk & Daniel Vacek	6–4, 7–6

Runner-up (8)

Date	Tournament	Surface	Partner	Opponents in the final	Score
March 3, 1991	Atlanta, U.S.	Clay	Dave Randall	Steve DeVries & David Macpherson	3–6, 3–6
November 8, 1992	Búzios, Brazil	Hard	Tom Mercer	Maurice Ruah & Mario Tabares	6–7, 7–6, 4–6
October 1, 1995	Basel, Switzerland	Hard	Peter Nyborg	Cyril Suk & Daniel Vacek	6–3, 3–6, 3–6
February 2, 1997	Zagreb, Croatia	Carpet	Brent Haygarth	Saša Hiršzon & Goran Ivanišević	4–6, 3–6
August 24, 1997	Long Island, U.S.	Hard	T. J. Middleton	Marcos Ondruska & David Prinosil	4–6, 4–6
February 8, 1998	Marseilles, France	Hard	T. J. Middleton	Donald Johnson & Francisco Montana	4–6, 6–3, 3–6
May 2, 1999	Prague, Czech Republic	Clay	Nicolás Lapentti	Martin Damm & Radek Štěpánek	0–6, 2–6
September 19, 1999	Tashkent, Uzbekistan	Hard	Lorenzo Manta	Oleg Ogorodov & Marc Rosset	6–7(4–7), 6–7(1–7)