Stadium: Stadium Court Round: 25 Ground: Hardcourt indoor
| ATP Memphis | 2017/02/19 01:30 | Ryan Harrison v Donald Young | 6-4,6-4 |
| Others | 2016/10/02 05:00 | Donald Young v Ryan Harrison | 7-5,1-6,4-6 |
| ATP Houston | 2014/04/08 18:40 | Ryan Harrison v Donald Young | 0-6,1-6 |
| Australian Open | 2018/01/19 09:00 | Ryan Harrison v Marin Cilic | 6-7,3-6,6-7 |
| Australian Open | 2018/01/17 04:15 | Pablo Cuevas v Ryan Harrison | 4-6,6-7,4-6 |
| Australian Open | 2018/01/15 00:00 | Dudi Sela v Ryan Harrison | 3-6,7-5,6-3,5-7,2-6 |
| ATP Brisbane | 2018/01/07 09:00 | Nick Kyrgios v Ryan Harrison | 6-4,6-2 |
| ATP Brisbane | 2018/01/06 03:20 | Alex De Minaur v Ryan Harrison | 6-4,6-7,4-6 |
| ATP Brisbane | 2018/01/04 05:15 | Ryan Harrison v Yannick Hanfmann | 6-7,6-4,6-2 |
| ATP Brisbane | 2018/01/01 01:00 | Ryan Harrison v Leonardo Mayer | 6-4,3-6,6-2 |
| ATP Paris | 2017/10/30 10:00 | Ryan Harrison v Peter Gojowczyk | 6-7,3-6 |
| Australian Open | 2018/01/16 04:00 | Novak Djokovic v Donald Young | 6-1,6-2,6-4 |
| ATP Auckland | 2018/01/07 23:30 | Donald Young v Joao Sousa | 7-6,4-6,2-6 |
| ATP Basel | 2017/10/25 15:35 | Donald Young v Julien Benneteau | 4-6,2-6 |
| ATP Shanghai Qual | 2017/10/08 05:45 | Donald Young v Dusan Lajovic | 3-6,2-6 |
| ATP Shanghai Qual | 2017/10/07 05:40 | Donald Young v Peter Polansky | 6-1,6-4 |
| ATP Tokyo | 2017/10/03 05:00 | Diego Schwartzman v Donald Young | 6-2,7-5 |
| ATP Shenzhen | 2017/09/29 09:55 | Donald Young v David Goffin | 2-6,3-6 |
| ATP Shenzhen | 2017/09/27 12:55 | Donald Young v Jeremy Chardy | 7-6,6-4 |