[184] Jeffrey John Wolf 2-6,3-6 Stefan Kozlov [187] 2021-11-20 20:35
Stadium: Court 1 Round: 28 Ground: Hardcourt indoor
Head to Head
| Challenger Charlottesville | 2021/11/06 17:35 | Stefan Kozlov v Jeffrey John Wolf | 6-1,6-7,6-0 |
| Challenger Las Vegas | 2021/10/31 19:00 | Stefan Kozlov v Jeffrey John Wolf | 4-6,4-6 |
| Challenger Columbus | 2021/09/25 16:00 | Jeffrey John Wolf v Stefan Kozlov | 6-2,3-6,5-7 |
| Challenger Champaign | 2019/11/15 16:00 | Stefan Kozlov v Jeffrey John Wolf | 2-6,2-6 |
| Challenger Columbus | 2019/01/07 19:00 | Jeffrey John Wolf v Stefan Kozlov | 6-2,7-6 |
| ITF USA F13 | 2016/04/13 23:00 | Jeffrey John Wolf v Stefan Kozlov | 1-6,3-6 |