2018 Nordic Naturals Challenger

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.

2018 Nordic Naturals Challenger
Date	6–12 August
Edition	31st
Location	Aptos, California, United States
Champions
Singles
Thanasi Kokkinakis
Doubles
Thanasi Kokkinakis / Matt Reid

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
ITA	Thomas Fabbiano	106	1
USA	Michael Mmoh	121	2
FRA	Quentin Halys	150	3
AUS	Thanasi Kokkinakis	164	4
USA	Kevin King	170	5
EGY	Mohamed Safwat	173	6
GBR	Jay Clarke	175	7
IND	Prajnesh Gunneswaran	177	8

• 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

Main article: 2018 Nordic Naturals Challenger – Singles

• Thanasi Kokkinakis def. Lloyd Harris 6–2, 6–3.

Doubles

Main article: 2018 Nordic Naturals Challenger – Doubles

• Thanasi Kokkinakis / Matt Reid def. Jonny O'Mara / Joe Salisbury 6–2, 4–6, [10–8].