| Zawodnik | Wynik | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 | Gem |
|---|---|---|---|---|---|---|---|
| Donald Young | 2 | 7 | 77 | - | - | - | 0 |
| Stefan Kozlov | 0 | 5 | 65 | - | - | - | 0 |



| Data | Mecz | Liga | Wynik |
|---|---|---|---|
| 20 lip 21 | Stefan Kozlov - Donald Young | Challenger Cary | 2-1 |
| 06 sty 21 | Donald Young - Stefan Kozlov | ATP Delray Beach Open, Qualification | 2-1 |
| Zwycięstw Donald Young | Zwycięstw Stefan Kozlov |
|---|---|
| 4 | 2 |
| Sezon | Runda |
|---|---|
| 2019 Singiel | 1/64 (Hubert Hurkacz) |
| 2018 Singiel | 1/64 (Borna Coric) |
| 2017 Singiel | 1/64 - wygrana (Stefan Kozlov) |
| 2016 Singiel | 1/64 (Andreas Seppi) |
| 2015 Singiel | 1/64 - wygrana (Pablo Carreno Busta) |
| 2014 Singiel | 1/64 (M. Russell) |
| 2012 Singiel | 1/64 (Steve Darcis) |
| 2011 Singiel | 1/64 - wygrana (P. Starace) |
| Sezon | Runda |
|---|---|
| 2017 Singiel | 1/64 (Donald Young) |