Juniors

In 1997 he was Wimbledon Tennis Junior Champion defeating Daniel Elsner of Germany 6–3, 7–6⁽⁶⁾. He was also a finalist in both the Australian Open and US Open juniors in the same year. He has played in many other tournaments since then.

Pro tour

Whitehouse reached a career-high singles ranking on the ATP Tour of world No. 214. He defeated Marat Safin at Indianapolis in 2006.

Singles: 3 (1 title, 2 runner-ups)

Result	Year	Tournament	Surface	Opponent	Score
Loss	1997	Australian Open	Hard	Daniel Elsner	6–7, 2–6
Win	1997	Wimbledon	Grass	Daniel Elsner	6–3, 7–6
Loss	1997	US Open	Hard	Arnaud Di Pasquale	7–6, 4–6, 1–6

Doubles: 3 (3 runner-ups)

Result	Year	Tournament	Surface	Partner	Opponents	Score
Loss	1996	Wimbledon	Grass	Damien Roberts	Jocelyn Robichaud Daniele Bracciali	2–6, 4–6
Loss	1997	Australian Open	Hard	Jaco Van Der Westhuizen	David Sherwood James Trotman	6–7, 3–6
Loss	1997	Wimbledon	Grass	Jaco Van Der Westhuizen	Luis Horna Nicolás Massú	4–6, 2–6

Singles

Singles: 12 (8–4)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Jun 2001	Namibia F1, Windhoek	Futures	Hard	Willem-Petrus Meyer	7–6(8–6), 4–6, 6–7(2–7)
Win	1–1	Oct 2002	Namibia F1, Windhoek	Futures	Hard	Gwinyai Tongoona	7–5, 6–1
Win	2–1	Nov 2002	Botswana F1, Gaborone	Futures	Hard	Genius Chidzikwe	6–4, 6–2
Win	3–1	Nov 2002	Zimbabwe F1, Bulawayo	Futures	Hard	Genius Chidzikwe	4–6, 6–3, 6–3
Win	4–1	Aug 2003	Nigeria F3, Lagos	Futures	Hard	Valentin Sanon	6–4, 6–1
Win	5–1	Sep 2003	Kenya F1, Mombasa	Futures	Hard	Mohamed Mamoun	7–5, 2–6, 7–6(8–6)
Win	6–1	Oct 2003	Rwanda F2, Kigali	Futures	Clay	Jaroslav Pospíšil	6–4, 4–6, 7–5
Win	7–1	Oct 2003	Nigeria F5, Lagos	Futures	Hard	Willem-Petrus Meyer	6–4, 6–2
Loss	7–2	Oct 2004	Austin, United States	Challenger	Hard	Robert Kendrick	5–7, 7–6(7–2), 2–6
Loss	7–3	Nov 2004	Botswana F1, Gaborone	Futures	Hard	Kevin Anderson	7–6(7–1), 4–6, 6–7(13–15)
Win	8–3	Feb 2007	USA F4, Brownsville	Futures	Hard	Horia Tecău	6–3, 3–6, 7–5
Loss	8–4	Mar 2007	USA F6, McAllen	Futures	Hard	Peter Polansky	3–6, 2–6

Doubles: 28 (19–9)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Apr 1998	Vadodara, India	Challenger	Grass	Myles Wakefield	Peter Tramacchi Max Mirnyi	7–6, 7–6
Win	2–0	Aug 1998	Binghamton, United States	Challenger	Hard	Myles Wakefield	Petr Luxa Bernardo Martínez	7–5, 2–6, 7–5
Loss	2–1	Feb 1999	Calcutta, India	Challenger	Grass	Barry Cowan	Noam Behr Eyal Ran	4–6, 7–6, 2–6
Loss	2–2	Apr 1999	New Delhi, India	Challenger	Hard	Barry Cowan	Noam Behr Eyal Ran	3–6, 6–4, 4–6
Win	3–2	Sep 1999	Austin, United States	Challenger	Hard	Marcos Ondruska	Paul Goldstein Adam Peterson	7–5, 4–6, 6–2
Loss	3–3	Aug 2000	Lexington, United States	Challenger	Hard	Grant Stafford	Lorenzo Manta Laurence Tieleman	6–7(5–7), 6–7(3–7)
Win	4–3	Aug 2000	Bronx, United States	Challenger	Hard	Petr Luxa	Lee Hyung-taik Yoon Yong-il	3–6, 6–3, 6–2
Win	5–3	Oct 2000	San Antonio, United States	Challenger	Hard	Gareth Williams	Bob Bryan Mike Bryan	6–3, 6–4
Win	6–3	Mar 2001	New Zealand F3, Tauranga	Futures	Hard	Jocelyn Robichaud	Mark Draper John Hui	6–3, 6–3
Loss	6–4	Jun 2001	Namibia F1, Windhoek	Futures	Hard	Willem-Petrus Meyer	Andrew Anderson Dirk Stegmann	6–7(8–10), 3–6
Win	7–4	Nov 2001	USA F27, Malibu	Futures	Hard	Zack Fleishman	Willem-Petrus Meyer Ramsey Smith	7–5, 6–4
Win	8–4	Mar 2002	New Zealand F3, Auckland	Futures	Hard	Willem-Petrus Meyer	Dirk Stegmann Johan Du Randt	6–4, 3–6, 6–1
Win	9–4	Oct 2002	Namibia F1, Windhoek	Futures	Hard	Johannes Saayman	Andrew Anderson Dirk Stegmann	4–6, 6–4, 6–4
Loss	9–5	Mar 2003	New Zealand F1, Blenheim	Futures	Hard	Johan Du Randt	Stéphane Bohli Jun Kato	6–7(6–8), 6–4, 3–6
Win	10–5	Mar 2003	New Zealand F3, Auckland	Futures	Hard	Johan Du Randt	Alistair Hunt James Shortall	6–2, 6–4
Loss	10–6	Aug 2003	Nigeria F3, Lagos	Futures	Hard	Willem-Petrus Meyer	Mustafa Ghouse Claude N'Goran	6–1, 6–7(6–8), 2–6
Win	11–6	Aug 2003	Nigeria F4, Lagos	Futures	Hard	Willem-Petrus Meyer	Genius Chidzikwe Gwinyai Tongoona	6–2, 6–2
Win	12–6	Sep 2003	Kenya F1, Mombasa	Futures	Hard	Willem-Petrus Meyer	Bart Beks Matwé Middelkoop	6–3, 7–6(7–3)
Loss	12–7	Sep 2003	Rwanda F1, Kigali	Futures	Clay	Willem-Petrus Meyer	Dušan Karol Jaroslav Pospíšil	4–6, 6–7(1–7)
Loss	12–8	Oct 2003	Rwanda F2, Kigali	Futures	Clay	Willem-Petrus Meyer	Dušan Karol Jaroslav Pospíšil	walkover
Win	13–8	Oct 2003	Nigeria F5, Lagos	Futures	Hard	Willem-Petrus Meyer	Martin Slanar Tomer Suissa	7–6(7–3), 6–3
Win	14–8	Apr 2004	USA F9, Mobile	Futures	Hard	Michael Kosta	Esteban Carril Gabriel Trujillo Soler	6–3, 6–3
Loss	14–9	Nov 2004	Botswana F1, Gaborone	Futures	Hard	Benjamin Janse Van Rensburg	Stephen Mitchell Kevin Anderson	6–7(1–7), 6–7(5–7)
Win	15–9	Mar 2006	USA F6, McAllen	Futures	Hard	Pierre-Ludovic Duclos	Michel Koning Steven Korteling	6–3, 6–4
Win	16–9	Mar 2006	USA F7, Little Rock	Futures	Hard	Michael Quintero Aguilar	Brendan Evans Scott Oudsema	6–4, 6–2
Win	17–9	Mar 2007	USA F5, Harlingen	Futures	Hard	Izak van der Merwe	Nicholas Monroe Horia Tecău	6–3, 6–1
Win	18–9	Apr 2007	Tallahassee, United States	Challenger	Hard	Izak van der Merwe	John Paul Fruttero Mirko Pehar	6–3, 6–4
Win	19–9	Jul 2007	USA F14, Shingle Springs	Futures	Hard	Izak van der Merwe	Ryler Deheart Ryan Rowe	6–4, 6–1