The Tiburon Challenger is a professional tennis tournament played on outdoor hard courts. It is currently part of the ATP Challenger Tour. It has been held annually at the Tiburon Peninsula Club in Tiburon, California, United States, since 2003.
Past finals
Singles
| Year | Champion | Runner-up | Score | 
| 2024 |  Nishesh Basavareddy |  Eliot Spizzirri | 6–1, 6–1 | 
| 2023 |  Zachary Svajda | .svg.png) Adam Walton | 6–2, 6–2 | 
| 2022 |  Zachary Svajda |  Ben Shelton | 2–6, 6–2, 6–4 | 
| 2020–2021 | Not held | 
| 2019 |  Tommy Paul | .svg.png) Thanasi Kokkinakis | 7–5, 6–7(3–7), 6–4 | 
| 2018 |  Michael Mmoh |  Marcel Granollers | 6–3, 7–5 | 
| 2017 |  Cameron Norrie |  Tennys Sandgren | 6–2, 6–3 | 
| 2016 |  Darian King |  Michael Mmoh | 7–6(7–2), 6–2 | 
| 2015 |  Tim Smyczek |  Denis Kudla | 1–6, 6–1, 7–6(9–7) | 
| 2014 |  Sam Querrey | .svg.png) John Millman | 6–4, 6–2 | 
| 2013 | .svg.png) Peter Polansky | .svg.png) Matthew Ebden | 7–5, 6–3 | 
| 2012 |  Jack Sock |  Mischa Zverev | 6–1, 1–6, 7–6(7–3) | 
| 2011 |  Ivo Karlović |  Sam Querrey | 6–7(2–7), 6–1, 6–4 | 
| 2010 |  Tobias Kamke |  Ryan Harrison | 6–1, 6–1 | 
| 2009 |  Go Soeda |  Ilija Bozoljac | 3–6, 6–3, 6–2 | 
| 2005–2008 | Not Held | 
| 2004 |  K. J. Hippensteel |  Kevin Kim | 6–3, 6–3 | 
| 2003 |  Alex Bogomolov Jr. |  Jeff Morrison | 7–6(4), 6–3 | 
Doubles
| Year | Champions | Runners-up | Score | 
| 2024 | .svg.png) Luke Saville 
 .svg.png) Tristan Schoolkate |  Patrick Kypson 
  Eliot Spizzirri | 6–4, 6–2 | 
| 2023 |  Luke Johnson 
  Skander Mansouri |  William Blumberg 
  Luis David Martínez | 6–2, 6–3 | 
| 2022 | .svg.png) Leandro Riedi 
  Valentin Vacherot |  Ezekiel Clark 
  Alfredo Perez | 6–7(2–7), 6–3, [10–2] | 
| 2020–2021 | Not held | 
| 2019 |  Robert Galloway 
  Roberto Maytín |  JC Aragone 
  Darian King | 6–2, 7–5 | 
| 2018 |  Hans Hach Verdugo 
 .svg.png) Luke Saville |  Gerard Granollers 
  Pedro Martínez | 6–3, 6–2 | 
| 2017 |  André Göransson 
  Florian Lakat |  Marcelo Arévalo 
  Miguel Ángel Reyes-Varela | 6–4, 6–4 | 
| 2016 | .svg.png) Matt Reid 
 .svg.png) John-Patrick Smith |  Quentin Halys 
  Dennis Novikov | 6–1, 6–2 | 
| 2015 |  Johan Brunström 
  Frederik Nielsen | .svg.png) Carsten Ball 
 .svg.png) Matt Reid | 7–6(7–2), 6–1 | 
| 2014 |  Bradley Klahn 
 .svg.png) Adil Shamasdin | .svg.png) Carsten Ball 
 .svg.png) Matt Reid | 7–5, 6–2 | 
| 2013 |  Austin Krajicek 
  Rhyne Williams |  Rhyne Williams 
  Rajeev Ram | 6–4, 6–1 | 
| 2012 |  Rik de Voest 
 .svg.png) Chris Guccione | .svg.png) Jordan Kerr 
  Andreas Siljeström | 6–1, 6–4 | 
| 2011 | .svg.png) Carsten Ball 
 .svg.png) Chris Guccione |  Steve Johnson 
  Sam Querrey | 6–1, 5–7, [10–6] | 
| 2010 |  Robert Kendrick 
  Travis Rettenmaier |  Ryler DeHeart 
 .svg.png) Pierre-Ludovic Duclos | 6–1, 6–4 | 
| 2009 |  Treat Conrad Huey 
  Harsh Mankad |  Ilija Bozoljac 
  Dušan Vemić | 6–4, 6–4 | 
| 2005–2008 | Not held | 
| 2004 |  André Sá 
  Bruno Soares |  Brandon Coupe 
  Robert Kendrick | 6–2, 6–3 | 
| 2003 |  Brandon Coupe 
  Justin Gimelstob |  Diego Ayala 
  Robert Kendrick | 0–6, 6–3, 7–6(3) | 
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