The 2018 Nordic Naturals Challenger was a professional tennis tournament played on hard courts. It was the 31st edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Aptos, California, United States between 6 and 12 August 2018.
Singles main-draw entrants Seeds Country Player Rank1 SeedThomas Fabbiano1061Michael Mmoh1212Quentin Halys1503Thanasi Kokkinakis1644Kevin King1705Mohamed Safwat1736Jay Clarke1757Prajnesh Gunneswaran1778 1 Rankings are as of July 30, 2018.
Other entrants The following players received wildcards into the singles main draw: Ulises Blanch Brandon Holt Michael Mmoh Martin Redlicki
The following player received entry into the singles main draw using a protected ranking: Illya Marchenko
The following players received entry into the singles main draw using special exempts: Joris De Loore Stefano Napolitano
The following players received entry from the qualifying draw: Marcos Giron Luke Saville Aleksandar Vukic Alexander Ward
Champions Singles
Thanasi Kokkinakis def. Lloyd Harris 6–2, 6–3.
Doubles
Thanasi Kokkinakis / Matt Reid def. Jonny O'Mara / Joe Salisbury 6–2, 4–6, [10–8].
References