| Seoul Open Challenger | |
| Type: | joint |
| Current: | 2019 Seoul Open Challenger |
| Event Name: | Seoul |
| Location: | Seoul, South Korea |
| Venue: | Seoul Olympic Park Tennis Center |
| Surface: | Hard |
| Atp Category: | ATP Challenger Tour |
| Atp Draw: | 32S / 32Q / 16D |
| Atp Prize Money: | $100,000 |
| Wta Tier: | ITF Women's Circuit |
| Wta Draw: | 32S / 32Q / 16D |
| Wta Prize Money: | $50,000 |
The Seoul Open Challenger is a tournament for professional tennis players played on outdoor hardcourts. The event is classified as a $100,000 ATP Challenger and a $50,000 ITF Women's Circuit event and has been held in Seoul, South Korea, since 2014.
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
 Bu Yunchaokete | 7–6(7–4), 6–4 | |||
 Li Tu | 7–6(7–5), 6–4 | |||
| 2020–2021 | not held | |||
 Kwon Soon-woo | 7–5, 7–5 | |||
 Mackenzie McDonald | 1–6, 6–4, 6–1 | |||
 Thomas Fabbiano | 1–6, 6–4, 6–3 | |||
 Sergiy Stakhovsky | 4–6, 6–3, 7–6(9–7) | |||
 Go Soeda | 3–6, 6–3, 6–3 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| Max Purcell Yasutaka Uchiyama | 6–1, 6–4 | |||
| Kaichi Uchida Wu Tung-lin | 6–7(2–7), 7–5, [11–9] | |||
| 2020–2021 | not held | |||
| Max Purcell Luke Saville | 6–4, 7–6(9–7) | |||
| Toshihide Matsui Frederik Nielsen | 6–4, 7–6(7–3) | |||
| Hsieh Cheng-peng Peng Hsien-yin | 5–1 ret. | |||
| Matt Reid John-Patrick Smith | 6–3, 7–5 | |||
| Gong Maoxin Peng Hsien-yin | 6–4, 7–5 |
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
| Riko Sawayanagi | 6–4, 6–4 | |||
| Misaki Doi | 6–1, 7–6(7–3) |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| Chan Chin-wei Lee Ya-hsuan | 6–2, 6–1 | |||
| Chan Chin-wei Chuang Chia-jung | 6–4, 6–3 |