2018 Las Vegas Challenger
Date	22–28 October
Edition	4th
Draw	32S / 16D
Surface	Hard / Outdoors
Location	Las Vegas, United States
Champions
Singles
Thanasi Kokkinakis
Doubles
Marcelo Arévalo / Roberto Maytín
← 2017 · Las Vegas Challenger · 2019 →

The 2018 Las Vegas Challenger was a professional tennis tournament played on hard courts. It was the fourth edition of the revamped tournament which was the part of the 2018 ATP Challenger Tour. It took place in Las Vegas, United States between 22 and 28 October 2018.

Country	Player	Rank1	Seed
RSA	Lloyd Harris	112	1
ESP	Adrián Menéndez Maceiras	122	2
NOR	Casper Ruud	127	3
TPE	Jason Jung	128	4
USA	Noah Rubin	129	5
USA	Reilly Opelka	132	6
GER	Dominik Köpfer	175	7
ESA	Marcelo Arévalo	181	8

• ¹ Rankings are as of October 15, 2018.^[1]

The following players received wildcards into the singles main draw:

• Alexander Cozbinov
• Evan Song
• Mikael Torpegaard
• J. J. Wolf

The following player received entry into the singles main draw as a special exempt:

• Borna Gojo

The following player received entry into the singles main draw as an alternate:

• Jan Choinski

The following players received entry from the qualifying draw:

• Mathias Bourgue
• Thai-Son Kwiatkowski
• Roberto Ortega Olmedo
• Tommy Paul

The following players received entry as lucky losers:

• Evan King
• Alexander Sarkissian
• Jelle Sels

• Thanasi Kokkinakis def. Blaž Rola 6–4, 6–4.

• Marcelo Arévalo / Roberto Maytín def. Robert Galloway / Nathan Pasha 6–3, 6–3.