2016 Fairfield Challenger

The 2016 Fairfield Challenger was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Fairfield, California, United States between October 10 and October 16, 2016.

Seeds

 * 1 Rankings are as of October 3, 2016.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Reilly Opelka
 * 🇺🇸 Tom Fawcett
 * 🇺🇸 Keegan Smith
 * 🇺🇸 Brian Baker

The following players received entry using special exemptions:
 * 🇺🇸 Michael Mmoh
 * 🇺🇸 Mackenzie McDonald

The following players received entry from the qualifying draw:
 * 🇬🇧 Brydan Klein
 * Hans Podlipnik
 * 🇺🇸 Dennis Nevolo
 * 🇬🇧 Cameron Norrie

Singles

 * 🇨🇴 Santiago Giraldo def. 🇫🇷 Quentin Halys, 4–6, 6–4, 6–2.

Doubles

 * 🇺🇸 Brian Baker / 🇺🇸 Mackenzie McDonald def. 🇺🇸 Sekou Bangoura / 🇺🇸 Eric Quigley, 6–3, 6–4.