Seoul Open Challenger
SeoulHardCH2018
April 30, 2018 – May 6, 2018$100,000
Draw & Results
Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Mackenzie McDonald(USA) | 1-6, 6-4, 6-1 | Jordan Thompson(AUS) | #146 | #94 | 01:44:00m |
Semi-Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Jordan Thompson(AUS) | 6-3, 3-6, 6-4 | Jason Kubler(AUS) | #94 | #180 | 01:56:00m |
| Mackenzie McDonald(USA) | 6-4, 7-6 | Tatsuma Ito(JPN) | #146 | #172 | 01:40:00m |
Quarter-Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Jason Kubler(AUS) | 6-3, 6-4 | Soonwoo Kwon(KOR) | #180 | #204 | 01:21:00m |
| Jordan Thompson(AUS) | 6-1, 6-3 | Tsung-Hua Yang(TPE) | #94 | #249 | 01:21:00m |
| Mackenzie McDonald(USA) | 6-7, 7-6, 6-3 | Lloyd Harris(RSA) | #146 | #232 | 02:33:00m |
| Tatsuma Ito(JPN) | 7-5, 3-6, 6-2 | Di Wu(CHN) | #172 | #305 | 01:45:00m |
Round of 16
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Jason Kubler(AUS) | 6-3, 6-3 | Vasek Pospisil(CAN) | #180 | #83 | 01:19:00m |
| Soonwoo Kwon(KOR) | 6-4, 6-4 | Go Soeda(JPN) | #204 | #149 | 01:27:00m |
| Jordan Thompson(AUS) | 7-5, 7-6 | Ji Hoon Son(KOR) | #94 | #1194 | 02:14:00m |
| Tsung-Hua Yang(TPE) | 6-4, 7-5 | Jason Jung(TPE) | #249 | #154 | 01:48:00m |
| Mackenzie McDonald(USA) | 6-3, 6-4 | Kamil Majchrzak(POL) | #146 | #212 | 01:42:00m |
| Lloyd Harris(RSA) | 6-4, 3-0 | Yen-Hsun Lu(TPE) | #232 | #109 | 01:49:00m |
| Tatsuma Ito(JPN) | 7-5, 6-1 | Seongchan Hong(KOR) | #172 | #664 | 01:35:00m |
| Di Wu(CHN) | 6-4, 7-5 | Yosuke Watanuki(JPN) | #305 | #361 | 01:36:00m |
Round of 32
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Vasek Pospisil(CAN) | 4-6, 6-1, 6-3 | Brayden Schnur(CAN) | #83 | #205 | 01:59:00m |
| Jason Kubler(AUS) | 6-1, 6-1 | Ze Zhang(CHN) | #180 | #254 | 00:51:00m |
| Soonwoo Kwon(KOR) | 6-1, 1-6, 6-3 | Maxime Janvier(FRA) | #204 | #276 | 01:34:00m |
| Go Soeda(JPN) | 1-6, 6-3, 6-4 | Marcos Giron(USA) | #149 | #323 | 01:46:00m |
| Jordan Thompson(AUS) | 6-1, 6-2 | Young Seok Kim(KOR) | #94 | #676 | 01:03:00m |
| Ji Hoon Son(KOR) | 5-7, 6-3, 3-1 | Filip Peliwo(POL) | #1194 | #179 | 01:54:00m |
| Tsung-Hua Yang(TPE) | 6-1, 6-2 | Renta Tokuda(JPN) | #249 | #357 | 00:57:00m |
| Jason Jung(TPE) | 6-4, 6-0 | Makoto Ochi(JPN) | #154 | #515 | 01:09:00m |
| Mackenzie McDonald(USA) | 7-5, 6-2 | Uisung Park(KOR) | #146 | #1155 | 01:38:00m |
| Kamil Majchrzak(POL) | 6-2, 6-3 | Yusuke Takahashi(JPN) | #212 | #279 | 01:09:00m |
| Lloyd Harris(RSA) | 5-7, 6-3, 6-0 | Yun seong Chung(KOR) | #232 | #440 | 01:46:00m |
| Yen-Hsun Lu(TPE) | 6-4, 6-1 | Maverick Banes(AUS) | #109 | #347 | 01:09:00m |
| Tatsuma Ito(JPN) | 6-1, 6-3 | Duckhee Lee(KOR) | #172 | #219 | 01:12:00m |
| Seongchan Hong(KOR) | 2-6, 6-4, 7-5 | Yasutaka Uchiyama(JPN) | #664 | #236 | 02:25:00m |
| Yosuke Watanuki(JPN) | 6-3, 6-4 | Dayne Kelly(AUS) | #361 | #308 | 01:22:00m |
| Di Wu(CHN) | 6-3, 2-6, 6-0 | Dudi Sela(ISR) | #305 | #97 | 01:15:00m |
3rd Round Qualifying
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Renta Tokuda(JPN) | 6-3, 6-2 | Jacob Grills(AUS) | #357 | #536 | 01:13:00m |
| Yosuke Watanuki(JPN) | 7-5, 6-2 | JiSung Nam(KOR) | #361 | #1227 | 01:28:00m |
| Ji Hoon Son(KOR) | 7-6, 6-4 | Wishaya Trongcharoenchaikul(THA) | #1194 | #432 | 01:38:00m |
| Makoto Ochi(JPN) | 7-6, 6-3 | Luke Saville(AUS) | #515 | #455 | 01:41:00m |
2nd Round Qualifying
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Renta Tokuda(JPN) | 6-4, 6-4 | Yong-Kyu Lim(KOR) | #357 | #1231 | 01:20:00m |
| Jacob Grills(AUS) | 4-6, 6-2, 6-4 | Jae Hwan Kim(KOR) | #536 | #1019 | 02:39:00m |
| Yosuke Watanuki(JPN) | 6-3, 6-0 | Thomas Fancutt(AUS) | #361 | #613 | 00:48:00m |
| JiSung Nam(KOR) | 6-3, 6-3 | Blake Ellis(AUS) | #1227 | #496 | 01:07:00m |
| Ji Hoon Son(KOR) | 6-2, 7-6 | Shuichi Sekiguchi(JPN) | #1194 | #514 | 01:29:00m |
| Luke Saville(AUS) | 6-1, 6-1 | Sanhui Shin(KOR) | #455 | #1682 | 00:52:00m |
| Makoto Ochi(JPN) | 6-2, 6-4 | Jung-Woong Na(KOR) | #515 | #1107 | 01:18:00m |
1st Round Qualifying
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Yong-Kyu Lim(KOR) | 6-4, 6-1 | Frederik Nielsen(DEN) | #1231 | #545 | 01:02:00m |
| Jae Hwan Kim(KOR) | 2-6, 6-3, 6-2 | Seung-Hun Shin(KOR) | #1019 | — | 02:05:00m |
| Thomas Fancutt(AUS) | 6-2, 6-3 | Jaewoo Kim(KOR) | #613 | — | 00:58:00m |
| JiSung Nam(KOR) | 6-2, 6-2 | Daniel Yoo(KOR) | #1227 | #1238 | 01:22:00m |
| Takuto Niki(JPN) | 7-6, 2-6, 6-0 | Ho-Gi Kang(KOR) | #756 | #1864 | 02:05:00m |
| Ji Hoon Son(KOR) | 6-3, 6-3 | Seong-Gook Oh(KOR) | #1194 | #884 | 01:33:00m |
| Sanhui Shin(KOR) | 6-4, 6-4 | Dong Ju Kim(KOR) | #1682 | #1792 | 01:14:00m |
| Jung-Woong Na(KOR) | 6-1, 6-3 | Tae-Woo Lee(KOR) | #1107 | #752 | 01:10:00m |
Past Winners
| Year | Winner | Country | Surface |
|---|---|---|---|
| 2025 | Sho Shimabukuro | JPN | Hard |
| 2024 | Nikoloz Basilashvili | GEO | Hard |
| 2023 | Yunchaokete Bu | CHN | Hard |
| 2022 | Li Tu | AUS | Hard |
| 2019 | Soonwoo Kwon | KOR | Hard |
| 2018 | Mackenzie McDonald | USA | Hard |
| 2017 | Thomas Fabbiano | ITA | Hard |
| 2016 | Sergiy Stakhovsky | UKR | Hard |
| 2015 | Go Soeda | JPN | Hard |