[327] Young, Donald 4-6,6-4,6-4 Stefan Kozlov [374] 2021-01-06 16:00
Stadium: Stadium Round: 19 Ground: Hardcourt outdoor
Face à face
| Challenger Dallas | 2020/02/04 19:15 | Stefan Kozlov v Young, Donald | 2-6,2-6 |
| Challenger - Sarasota | 2018/04/18 20:30 | Stefan Kozlov v Young, Donald | 6-4,6-4 |
| ATP - Indian Wells | 2017/03/11 00:40 | Young, Donald v Stefan Kozlov | 7-5,7-6 |
| Newport, USA | 2016/07/13 18:35 | Stefan Kozlov v Young, Donald | 0-6,4-6 |
Home History
| ATP - Delray Beach | 2021/01/05 15:40 | Pedro Sakamoto v Young, Donald | 6-3,4-6,2-6 |
| GTS Atlanta Exhibition | 2020/09/18 15:00 | Young, Donald v Pasha, Nathan | 6-3,7-5 |
| GTS Atlanta Exhibition | 2020/09/17 14:00 | Roelofse, Ruan v Young, Donald | 1-6,1-5 |
| GTS Atlanta Exhibition | 2020/09/16 14:00 | Young, Donald v Lovett, Korey | 6-3,5-4 |
| GTS Atlanta Exhibition | 2020/09/15 14:00 | King, Kevin v Young, Donald | 3-6,6-4,1-0 |
| GTS Atlanta Exhibition | 2020/09/14 13:00 | Young, Donald v Redlicki, Michael | 6-4,6-3 |
| GTS Atlanta Exhibition | 2020/08/29 18:00 | Young, Donald v Kiranpal Pannu | 6-4,6-4 |
| GTS Atlanta Exhibition | 2020/08/28 18:30 | Young, Donald v Pasha, Nathan | 6-2,5-0 |
Away History
| Orlando, USA | 2020/11/17 18:30 | Thiago Monteiro v Stefan Kozlov | 6-1,6-3 |
| Orlando, USA | 2020/11/15 17:30 | King, Kevin v Stefan Kozlov | 6-7,7-6,4-6 |
| Orlando, USA | 2020/11/14 17:45 | Martin Damm v Stefan Kozlov | 4-6,7-6,4-6 |
| Challenger Cary | 2020/11/07 17:00 | Nicolas Mejia v Stefan Kozlov | 2-6,7-5,7-6 |
| ITF M25 Hamburg | 2020/10/22 12:55 | Stefan Kozlov v Raul Brancaccio | 4-6,5-7 |
| ITF M25 Hamburg | 2020/10/21 10:40 | Stefan Kozlov v Henri Squire | 6-4,6-1 |
| ITF M25 Hamburg | 2020/10/19 14:50 | Stefano Napolitano v Stefan Kozlov | 4-6,2-6 |
| ITF M25 Rodez | 2020/10/14 13:15 | Stefan Kozlov v Briand, Jurgen | 4-6,2-6 |