Seoul CH 2018 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Mackenzie Mcdonald | d. | Jordan Thompson | 1-6 6-4 6-1 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Mackenzie Mcdonald | d. | Tatsuma Ito | 6-4 7-6(4) |
| Jordan Thompson | d. | Jason Kubler | 6-3 3-6 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Tatsuma Ito | d. | Di Wu | 7-5 3-6 6-2 |
| Mackenzie Mcdonald | d. | Lloyd Harris | 6-7(4) 7-6(8) 6-3 |
| Jordan Thompson | d. | Tsung Hua Yang | 6-1 6-3 |
| Jason Kubler | d. | Soon Woo Kwon | 6-3 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Di Wu | d. | Yosuke Watanuki | 6-4 7-5 |
| Tatsuma Ito | d. | Seong Chan Hong | 7-5 6-1 |
| Lloyd Harris | d. | Yen Hsun Lu | 6-4 3-0 RET |
| Mackenzie Mcdonald | d. | Kamil Majchrzak | 6-3 6-4 |
| Tsung Hua Yang | d. | Jason Jung | 6-4 7-5 |
| Jordan Thompson | d. | Ji Hoon Son | 7-5 7-6(9) |
| Soon Woo Kwon | d. | Go Soeda | 6-4 6-4 |
| Jason Kubler | d. | Vasek Pospisil | 6-3 6-3 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Di Wu | d. | Dudi Sela | 6-3 2-6 6-0 |
| Yosuke Watanuki | d. | Dayne Kelly | 6-3 6-4 |
| Seong Chan Hong | d. | Yasutaka Uchiyama | 2-6 6-4 7-5 |
| Tatsuma Ito | d. | Duck Hee Lee | 6-1 6-3 |
| Yen Hsun Lu | d. | Maverick Banes | 6-4 6-1 |
| Lloyd Harris | d. | Yunseong Chung | 5-7 6-3 6-0 |
| Kamil Majchrzak | d. | Yusuke Takahashi | 6-2 6-3 |
| Mackenzie Mcdonald | d. | Uisung Park | 7-5 6-2 |
| Jason Jung | d. | Makoto Ochi | 6-4 6-0 |
| Tsung Hua Yang | d. | Renta Tokuda | 6-1 6-2 |
| Ji Hoon Son | d. | Filip Peliwo | 5-7 6-3 3-1 RET |
| Jordan Thompson | d. | Young Seok Kim | 6-1 6-2 |
| Go Soeda | d. | Marcos Giron | 1-6 6-3 6-4 |
| Soon Woo Kwon | d. | Maxime Janvier | 6-1 1-6 6-3 |
| Jason Kubler | d. | Ze Zhang | 6-1 6-1 |
| Vasek Pospisil | d. | Brayden Schnur | 4-6 6-1 6-3 |
Qualifying round 3
| Winner | Loser | Score | |
|---|---|---|---|
| Makoto Ochi | d. | Luke Saville | 7-6(1) 6-3 |
| Ji Hoon Son | d. | Wishaya Trongcharoenchaikul | 7-6(8) 6-4 |
| Yosuke Watanuki | d. | Ji Sung Nam | 7-5 6-2 |
| Renta Tokuda | d. | Jacob Grills | 6-3 6-2 |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Makoto Ochi | d. | Jung Woong Na | 6-2 6-4 |
| Luke Saville | d. | San Hui Sin | 6-1 6-1 |
| Ji Hoon Son | d. | Shuichi Sekiguchi | 6-2 7-6(3) |
| Wishaya Trongcharoenchaikul | d. | Takuto Niki | W/O |
| Ji Sung Nam | d. | Blake Ellis | 6-3 6-3 |
| Yosuke Watanuki | d. | Thomas Fancutt | 6-3 6-0 |
| Jacob Grills | d. | Jae Hwan Kim | 4-6 6-2 6-4 |
| Renta Tokuda | d. | Yong Kyu Lim | 6-4 6-4 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Jung Woong Na | d. | Tae Woo Lee | 6-1 6-3 |
| San Hui Sin | d. | Dong Ju Kim | 6-4 6-4 |
| Ji Hoon Son | d. | Seong Gook Oh | 6-3 6-3 |
| Takuto Niki | d. | Ho Gi Kang | 7-6(1) 2-6 6-0 |
| Ji Sung Nam | d. | Daniel Yoo | 6-2 6-2 |
| Yong Kyu Lim | d. | Frederik Nielsen | 6-4 6-1 |