Round: 62 Ground: Hardcourt outdoor
| Korea F3, Singles Qualifying | 2017/06/10 02:00 | Lee, Dong-Kyu v チョ,グワン・ヒョン | 6-3,4-6,6-0 |
| ITF Korea F2 | 2017/06/07 02:35 | リム,ヨン・キュ v Lee, Dong-Kyu | 7-6,6-3 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Lee, Dong-Kyu v Park, Jaeyoung | 6-2,6-2 |
| ITF Korea F2 Qual | 2017/06/04 04:30 | Lee, Dong-Kyu v チョン・ヨンソク | 6-4,6-1 |
| ITF Korea F1 | 2017/05/31 01:00 | Lee, Dong-Kyu v ホン・ソンチャン | 1-6,6-4,4-6 |
| ITF Korea F1 Qual | 2017/05/29 03:40 | Lee, Dong-Kyu v シン,ドンウィ | 6-3,6-1 |
| ITF Korea F1 Qual | 2017/05/28 01:00 | Lee, Dong-Kyu v パク,ジュン・サン | 6-2,7-5 |
| Indonesia F6, Singles Qualifying | 2017/04/11 03:00 | カルヌデイ・シン v Lee, Dong-Kyu | 3-6,6-4,6-3 |
| Korea F3, Singles Qualifying | 2017/06/11 03:00 | Kim, Dukyoung v キム・ヒョンドン | 6-1,6-2 |
| Korea F3, Singles Qualifying | 2017/06/10 02:00 | Kim, Dukyoung v チョ,ジェイ・ウォン | 6-4,6-4 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Kim, Sang Yeop v Kim, Dukyoung | 6-3,3-6,6-4 |
| ITF Korea F1 Qual | 2017/05/28 03:30 | Sin, Dong-Hak v Kim, Dukyoung | 3-6,6-3,6-1 |
| ITF Korea F8 | 2016/08/21 02:00 | Kim, Dukyoung v 福田 創楽 | 0-6,1-6 |