title: 2018 Fairfield Challenger
text: # 2018 Fairfield Challenger
  
  The 2018 Fairfield Challenger was a professional tennis tournament played on hard courts. It was the fourth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Fairfield, California, United States between 8 and 14 October 2018.
  
  ## Singles main-draw entrants
  
  ### Seeds
  
  | Country | Player | $Rank^1$ | Seed |
  | - | - | - | - |
  | AUS | Jordan Thompson | 106 | 1 |
  | RSA | Lloyd Harris | 121 | 2 |
  | USA | Noah Rubin | 127 | 3 |
  | USA | Reilly Opelka | 129 | 4 |
  | ESP | Adrián Menéndez Maceiras | 130 | 5 |
  | NOR | Casper Ruud | 135 | 6 |
  | CRO | Ivo Karlović | 137 | 7 |
  | AUS | Alex Bolt | 158 | 8 |
  
  * $^1$ Rankings are as of October 1, 2018.
  
  ### Other entrants
  
  The following players received wildcards into the singles main draw:
  
  * Collin Altamirano
  * Axel Geller
  * Alex Rybakov
  * J. J. Wolf
  
  The following player received entry into the singles main draw as a special exempt:
  
  * Maxime Janvier
  
  The following player received entry into the singles main draw as an alternate:
  
  * Darian King
  
  The following players received entry from the qualifying draw:
  
  * Sebastian Fanselow
  * Evan King
  * Kevin King
  * Tommy Paul
  
  The following player received entry as a lucky loser:
  
  * Mitchell Krueger
  
  ## Champions
  
  ### Singles
  
  * Bjorn Fratangelo def. Alex Bolt 6–4, 6–3.
  
  ### Doubles
  
  * Sanchai Ratiwatana / Christopher Rungkat def. Harri Heliövaara / Henri Laaksonen 6–0, $7–6^{(11–9)}.$
  