2018 Gwangju Open

Country	Player	Rank1	Seed
ESP	Marcel Granollers	108	1
SUI	Henri Laaksonen	124	2
KAZ	Alexander Bublik	172	3
KOR	Lee Duck-hee	239	4
AUS	Akira Santillan	282	5
AUS	Maverick Banes	284	6
USA	Ulises Blanch	301	7
JPN	Renta Tokuda	307	8

• ¹ Rankings as of 6 August 2018.^[1]

The following players received wildcards into the singles main draw:

• Chung Hong
• Jeong Yeong-seok
• Kim Cheong-eui
• Sin Dong-hak

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

• Marcel Granollers

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

• Xia Zihao

The following players received entry from the qualifying draw:

• He Yecong
• Nam Ji-sung
• Sidharth Rawat
• Son Ji-hoon

• Maverick Banes def. Nam Ji-sung 6–3, 4–6, 6–4.

• Nam Ji-sung / Song Min-kyu def. Benjamin Lock / Rubin Statham 5–7, 6–3, [10–5].