2019 Fairfield Challenger

The 2019 Fairfield Challenger was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Fairfield, California, United States between October 7 and October 13, 2019.

Seeds

 * 1 Rankings are as of September 30, 2019.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Brandon Holt
 * 🇺🇸 Steve Johnson
 * 🇺🇸 Brandon Nakashima
 * 🇺🇸 Alex Rybakov
 * 🇺🇸 Zachary Svajda

The following player received entry into the singles main draw as an alternate:
 * 🇺🇸 Strong Kirchheimer

The following players received entry from the qualifying draw:
 * 🇺🇸 Felix Corwin
 * Sem Verbeek

The following player received entry as a lucky loser:
 * 🇺🇸 Dennis Novikov

Singles

 * 🇦🇺 Christopher O'Connell def. 🇺🇸 Steve Johnson 6–4, 6–4.

Doubles

 * Darian King / 🇨🇦 Peter Polansky def. 🇸🇪 André Göransson / Sem Verbeek 6–4, 3–6, [12–10].