2018 Las Vegas Challenger – Singles

Stefan Kozlov was the defending champion but lost in the first round to Kamil Majchrzak.

Singles
2018 Las Vegas Challenger
Champion	Thanasi Kokkinakis
Runner-up	Blaž Rola
Final score	6–4, 6–4

Main article: 2018 Las Vegas Challenger

Thanasi Kokkinakis won the title after defeating Blaž Rola 6–4, 6–4 in the final.

Seeds

1. Lloyd Harris (Second round)
2. Adrián Menéndez Maceiras (Second round)
3. Casper Ruud (Semifinals)
4. Jason Jung (Quarterfinals)
5. Noah Rubin (First round)
6. Reilly Opelka (Withdrew)
7. Dominik Köpfer (First round)
8. Marcelo Arévalo (Second round)

Draw

Key

• Q = Qualifier
• WC = Wild Card
• LL = Lucky Loser
• Alt = Alternate
• SE = Special Exempt
• PR = Protected Ranking
• ITF = ITF entry
• JE = Junior Exempt
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Thanasi Kokkinakis	6	6
	3	Casper Ruud	4	1
									Thanasi Kokkinakis	6	6
									Blaž Rola	4	4
		John-Patrick Smith	3	5
		Blaž Rola	6	7

Top half

	First Round							Second Round							Quarterfinals							Semifinals
	1	L Harris	6	6
		J Ward	4	4				1	L Harris	4	3
		T Kokkinakis	7^7	6					T Kokkinakis	6	6
	WC	A Cozbinov	6^5	1												T Kokkinakis	6	6
	Q	T Paul	6	7^7												D King	1	4
		K King	1	6^2				Q	T Paul	4	4
		D King	6	6					D King	6	6
	7	D Köpfer	4	4																			T Kokkinakis	6	6
	3	C Ruud	6	3	6																	3	C Ruud	4	1
		M Krueger	3	6	3			3	C Ruud	6	6
	LL	E King	6	6				LL	E King	3	2
		T Robredo	3	4											3	C Ruud	7	7
		K Majchrzak	6	6												K Majchrzak	5	5
		S Kozlov	0	2					K Majchrzak	2	6	6
		JC Aragone	2	6	6^3			8	M Arévalo	6	1	4
	8	M Arévalo	6	4	7^7

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	LL	Jelle Sels	7^7	5	4
		J-P Smith	6^4	7	6				J-P Smith	6	6
	WC	M Torpegaard	4	6	6^6				C İlkel	3	1
		C İlkel	6	3	7^8											J-P Smith	7^7	6
	Alt	J Choinski	3	4											4	J Jung	6^3	3
	Q	R Ortega Olmedo	6	6				Q	R Ortega Olmedo	4	4
	LL	A Sarkissian	6^5	4				4	J Jung	6	6
	4	J Jung	7^7	6																			J-P Smith	3	5
	5	N Rubin	3	6	3																		B Rola	6	7
		B Rola	6	1	6				B Rola	6	6
	Q	T-S Kwiatkowski	6	6				Q	T-S Kwiatkowski	3	4
	WC	Evan Song	4	4												B Rola	6	7^7
		N Serdarušić	6^4	4											Q	M Bourgue	4	6^1
	Q	M Bourgue	7^7	6				Q	M Bourgue	6	0	6
	WC	JJ Wolf	3	3				2	A Menéndez Maceiras	4	6	3
	2	A Menéndez Maceiras	6	6

References

• Main Draw
• Qualifying Draw