2019 Gwangju Open
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The 2019 Gwangju Open was a professional tennis tournament played on hard courts. It was the 4th edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Gwangju, South Korea between 13 and 19 May 2019.
Singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| LTU | Ričardas Berankis | 95 | 1 |
| UKR | Sergiy Stakhovsky | 114 | 2 |
| CAN | Brayden Schnur | 117 | 3 |
| RUS | Evgeny Donskoy | 128 | 4 |
| TPE | Jason Jung | 129 | 5 |
| KOR | Kwon Soon-woo | 135 | 6 |
| SVK | Lukáš Lacko | 151 | 7 |
| JPN | Tatsuma Ito | 160 | 8 |
| BEL | Ruben Bemelmans | 163 | 9 |
| JPN | Yūichi Sugita | 181 | 10 |
| AUS | Max Purcell | 236 | 11 |
| ISR | Dudi Sela | 239 | 12 |
| CHN | Li Zhe | 243 | 13 |
| JPN | Kaichi Uchida | 245 | 14 |
| KOR | Lee Duck-hee | 247 | 15 |
| IND | Saketh Myneni | 248 | 16 |
- 1 Rankings as of 6 May 2019.
Other entrants
The following players received wildcards into the singles main draw:
- South Korea Hong Seong-chan
- South Korea Lee Jea-moon
- South Korea Na Jung-woong
- South Korea Nam Ji-sung
- South Korea Son Ji-hoon
The following players received entry into the singles main draw using their ITF World Tennis Ranking:
- China Bai Yan
- Japan Shintaro Imai
- South Korea Kim Cheong-eui
- Russia Konstantin Kravchuk
- Japan Rio Noguchi
The following players received entry as alternates:
- Japan Yusuke Takahashi
- China Xia Zihao
The following players received entry from the qualifying draw:
Champions
Singles
- Chinese Taipei Jason Jung def. Israel Dudi Sela 6–4, 6–2.
Doubles
- Chinese Taipei Hsieh Cheng-peng / Indonesia Christopher Rungkat def. South Korea Nam Ji-sung / South Korea Song Min-kyu 6–3, 3–6, [10–6].