Stadium: Court 8 Round: 23 Ground: Hardcourt outdoor
| ATP - Auckland | 2019/01/08 02:15 | Rubin Statham v Chung, Hyeon | 7-5,6-3 |
| ATP Pune | 2019/01/02 09:30 | Gulbis, Ernests v Chung, Hyeon | 7-6,6-2 |
| Mubadala World Tennis Championship | 2018/12/28 11:00 | Chung, Hyeon v Dominic Thiem | 6-2,6-3 |
| Mubadala World Tennis Championship | 2018/12/27 12:00 | Chung, Hyeon v Anderson, Kevin | 7-6,2-6,1-6 |
| ATP Stockholm | 2018/10/17 19:25 | Chung, Hyeon v Denis Kudla | 6-3,6-3 |
| ATP Stockholm | 2018/10/16 10:00 | Chung, Hyeon v Taylor Fritz | 6-2,6-2 |
| Shanghai, Chine | 2018/10/10 06:50 | Marco Cecchinato v Chung, Hyeon | 4-6,7-6,7-6 |
| Shanghai, Chine | 2018/10/09 05:00 | Hubert Hurkacz v Chung, Hyeon | 4-6,6-2,1-6 |
| ATP - Auckland | 2019/01/07 00:15 | Kohlschreiber, Philipp v Klahn, Bradley | 6-4,7-6 |
| ATP - Auckland | 2019/01/05 22:00 | Klahn, Bradley v Cuevas, Pablo | 6-7,7-6,7-6 |
| ATP - Auckland | 2019/01/04 22:00 | Klahn, Bradley v Oswald, Philipp | 7-6,6-4 |
| ATP Brisbane | 2018/12/29 02:40 | Klahn, Bradley v Christopher Eubanks | 6-3,4-6,6-7 |
| Houston, USA | 2018/11/19 01:00 | Smith, Roy v Klahn, Bradley | 6-7,6-7 |
| Houston, USA | 2018/11/17 17:45 | Dominik Koepfer v Klahn, Bradley | 3-6,4-6 |
| Houston, USA | 2018/11/16 20:45 | Song, Evan v Klahn, Bradley | 3-6,6-4,1-6 |
| Houston, USA | 2018/11/15 22:10 | Redlicki, Michael v Klahn, Bradley | 4-6,4-6 |