[327] Donald Young 4-6,6-4,6-4 Stefan Kozlov [374] 2021-01-06 16:00
Stadium: Stadium Round: 19 Ground: Hardcourt outdoor
Head to Head
| Challenger Dallas | 2020/02/04 19:15 | Stefan Kozlov v Donald Young | 2-6,2-6 |
| Challenger Sarasota | 2018/04/18 20:30 | Stefan Kozlov v Donald Young | 6-4,6-4 |
| ATP Indian Wells | 2017/03/11 00:40 | Donald Young v Stefan Kozlov | 7-5,7-6 |
| ATP Newport | 2016/07/13 18:35 | Stefan Kozlov v Donald Young | 0-6,4-6 |