Sam Warburg (born April 29, 1983) is an American retired tennis player.
College career
Warburg was a 4-time All-American for Stanford University, and won the NCAA Doubles Championship in 2004 while partnered with KC Corkery.  He also won the 2004 & 2005 PAC-10 Singles titles.[1]
Professional career
Warburg turned pro after graduating from Stanford in 2005. He broke into the top 200 late in 2006.
Warburg spent most of 2007 & 2008 ranked in the top-200 in the world, reaching a high of #132 in May 2008.
He also reached a high doubles ranking of #117 in November 2007.
In 2009, he retired, citing a lack of excitement for the game, and the wear and tear the travel was having on his life.
Key
| W | F | SF | QF | #R | RR | Q# | DNQ | A | NH | 
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (DNQ) did not qualify; (A) absent;  (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
Singles
ATP Challenger and ITF Futures finals
Singles: 13 (6–7)
| 
| Legend |  
| ATP Challenger (1–6) |  
| ITF Futures (5–1) |  | 
| Finals by surface |  
| Hard (6–7) |  
| Clay (0–0) |  
| Grass (0–0) |  
| Carpet (0–0) |  | 
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | 
| Win | 1–0 | Aug 2004 | USA F22, Decatur | Futures | Hard |  Tres Davis | 6–4, 6–2 | 
| Win | 2–0 | Jul 2005 | USA F19, Godfrey | Futures | Hard |  Jamie Baker | 7–6(8–6), 6–3 | 
| Loss | 2–1 | Aug 2005 | USA F20, Decatur | Futures | Hard |  Michael Yani | 5–7, 4–6 | 
| Win | 3–1 | Sep 2005 | USA F23, Costa Mesa | Futures | Hard |  Wayne Odesnik | 7–5, 6–4 | 
| Win | 4–1 | Jan 2006 | Mexico F1, Naucalpan | Futures | Hard |  David Navarrete | 6–3, 6–1 | 
| Win | 5–1 | Apr 2006 | Korea F3, Seogwipo | Futures | Hard |  Pavel Ivanov | 7–5, 6–2 | 
| Loss | 5–2 | Jun 2006 | Yuba City, United States | Challenger | Hard |  Sam Querrey | 6–7(6–8), 1–6 | 
| Loss | 5–3 | Dec 2006 | Maui, United States | Challenger | Hard |  Michael Russell | 1–6, 0–6 | 
| Win | 6–3 | Aug 2007 | Bronx, United States | Challenger | Hard |  Bruno Echagaray | 6–3, 6–7(5–7), 6–3 | 
| Loss | 6–4 | Sep 2007 | New Orleans, United States | Challenger | Hard |  Kevin Anderson | 4–6, 0–6 | 
| Loss | 6–5 | Apr 2008 | Mexico City, Mexico | Challenger | Hard |  Dawid Olejniczak | 4–6, 3–6 | 
| Loss | 6–6 | Jun 2008 | Yuba City, United States | Challenger | Hard |  Michael Yani | 6–7(5–7), 6–2, 3–6 | 
| Loss | 6–7 | Oct 2008 | Calabasas, United States | Challenger | Hard |  Vince Spadea | 6–7(5–7), 4–6 | 
Doubles: 20 (12–8)
| 
| Legend |  
| ATP Challenger (6–4) |  
| ITF Futures (6–4) |  | 
| Finals by surface |  
| Hard (12–7) |  
| Clay (0–1) |  
| Grass (0–0) |  
| Carpet (0–0) |  | 
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | 
| Win | 1–0 | Jul 2003 | USA F21, Joplin | Futures | Hard |  Jeremy Wurtzman |  Scott Lipsky 
  David Martin | 7–5, 7–5 | 
| Loss | 1–1 | Jul 2004 | USA F16, Chico | Futures | Hard |  KC Corkery |  Lester Cook 
  Jason Cook | 5–7, 6–7(5–7) | 
| Win | 2–1 | Jun 2005 | USA F14, Chico | Futures | Hard |  Jeremy Wurtzman |  Patrick Briaud 
 .svg.png) Aleksandar Vlaski | 1–6, 6–4, 6–3 | 
| Win | 3–1 | Jul 2005 | USA F19, Godfrey | Futures | Hard |  Philip Stolt |  Andrew Anderson 
  Daniel King-Turner | 6–4, 6–4 | 
| Loss | 3–2 | Aug 2005 | Ecuador F1, Guayaquil | Futures | Hard |  Nicholas Monroe |  Brian Dabul 
  Marcel Felder | 5–7, 7–5, 2–6 | 
| Win | 4–2 | Dec 2005 | Israel F3, Raanana | Futures | Hard |  Nicholas Monroe |  Ivan Cerovic 
  Lazar Magdinchev | 6–3, 7–6(7–4) | 
| Loss | 4–3 | Jan 2006 | Guatemala F1, Guatemala City | Futures | Hard |  Nicholas Monroe |  Rafael Arevalo 
  Jhonson Garcia | 6–7(2–7), 6–1, 5–7 | 
| Win | 5–3 | Jan 2006 | Mexico F1, Naucalpan | Futures | Hard |  Nicholas Monroe |  Daniel Langre 
  Victor Romero | 3–6, 6–4, 6–4 | 
| Win | 6–3 | Feb 2006 | Costa Rica F1, San Jose | Futures | Hard |  Nicholas Monroe |  Arnaud Agniel 
  Luis Fernando Manrique | 7–6(8–6), 6–0 | 
| Loss | 6–4 | Mar 2006 | Korea F2, Andong | Futures | Hard | .svg.png) Aleksandar Vlaski |  Chung Hee-Seok 
  An Jae-Sung | 3–6, 6–7(3–7) | 
| Win | 7–4 | Apr 2006 | Valencia, United States | Challenger | Hard |  John-Paul Fruttero |  Rik De Voest 
  Glenn Weiner | 7–5, 6–3 | 
| Win | 8–4 | Sep 2006 | New Orleans, United States | Challenger | Hard |  Cecil Mamiit |  Chris Drake 
  David Martin | 7–6(7–3), 6–0 | 
| Loss | 8–5 | Oct 2006 | Calabasas, United States | Challenger | Hard |  Harel Levy |  Robert Kendrick 
  Cecil Mamiit | 7–5, 4–6, [5–10] | 
| Win | 9–5 | Apr 2007 | Valencia, United States | Challenger | Hard |  Harel Levy |  Eric Taino 
  Cecil Mamiit | 6–2, 6–4 | 
| Loss | 9–6 | May 2007 | Forest Hills, United States | Challenger | Clay |  Patrick Briaud |  Rajeev Ram 
  Bobby Reynolds | 3–6, 4–6 | 
| Win | 10–6 | Jun 2007 | Yuba City, United States | Challenger | Hard |  Harel Levy |  Eric Nunez 
 .svg.png) Jean-Julien Rojer | 6–4, 6–4 | 
| Loss | 10–7 | Oct 2007 | Sacramento, United States | Challenger | Hard |  John-Paul Fruttero |  Robert Kendrick 
  Brian Wilson | 5–7, 6–7(8–10) | 
| Win | 11–7 | Nov 2007 | Champaign-Urbana, United States | Challenger | Hard |  Harel Levy |  Scott Lipsky 
  Brendan Evans | 6–4, 6–0 | 
| Win | 12–7 | Nov 2007 | Knoxville, United States | Challenger | Hard |  Harel Levy |  Jamie Baker 
  Brendan Evans | 3–6, 6–2, [10–6] | 
| Loss | 12–8 | Feb 2009 | Wroclaw, Poland | Challenger | Hard |  Benedikt Dorsch |  Sonchat Ratiwatana 
  Sanchai Ratiwatana | 4–6, 6–3, [8–10] | 
References
External links