2022 Seoul Open Challenger

Country	Player	Rank1	Seed
MDA	Radu Albot	86	1
TPE	Tseng Chun-hsin	87	2
AUS	Alexei Popyrin	93	3
ECU	Emilio Gómez	102	4
AUS	Christopher O'Connell	106	5
AUS	James Duckworth	109	6
USA	Steve Johnson	112	7
POL	Kamil Majchrzak	121	8

• ¹ Rankings as of 3 October 2022.^[1]

The following players received wildcards into the singles main draw:

• Chung Hong
• Kim Cheong-eui
• Kim Jang-jun

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

• Marc Polmans

The following players received entry from the qualifying draw:

• Aleksandar Kovacevic
• Shintaro Mochizuki
• Hiroki Moriya
• Naoki Nakagawa
• Maximilian Neuchrist
• Li Tu

• Li Tu def. Wu Yibing 7–6^(7–5), 6–4.

• Kaichi Uchida / Wu Tung-lin def. Chung Yun-seong / Aleksandar Kovacevic 6–7^(2–7), 7–5, [11–9].