The 2017 Busan Open was a professional tennis tournament played on hard courts. It was the sixteenth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Busan, South Korea between 15 and 21 May 2017.^[1]

Country	Player	Rank1	Seed
TPE	Lu Yen-hsun	55	1
CAN	Vasek Pospisil	107	2
SLO	Blaž Kavčič	116	3
ISR	Dudi Sela	117	4
UKR	Illya Marchenko	122	5
RUS	Konstantin Kravchuk	128	6
ITA	Thomas Fabbiano	133	7
BEL	Ruben Bemelmans	137	8

* ¹ Rankings as of May 8, 2017.

The following players received wildcards into the singles main draw:

• Chung Hong
• Hong Seong-chan
• Oh Chan-yeong
• Wu Tung-lin

The following player received entry into the singles main draw using a protected ranking:

• Alexander Ward

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

• Sekou Bangoura

The following players received entry from the qualifying draw:

• Liam Broady
• Edward Corrie
• Austin Krajicek
• Raymond Sarmiento

• Vasek Pospisil def. Go Soeda 6–1, 6–2.

• Hsieh Cheng-peng / Peng Hsien-yin def. Sanchai Ratiwatana / Sonchat Ratiwatana 7–5, 4–6, [10–8].

• Official Website