[247] Stefan Kozlov 4-6,4-6 Jeffrey John Wolf [195] 2021-10-31 19:00
Stadium: Court 1 Round: 29 Ground: Hardcourt outdoor
Head to Head
| 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 |
Home History
| Challenger Las Vegas | 2021/10/30 21:50 | Stefan Kozlov v Aleksandar Kovacevic | 6-2,6-4 |
| Challenger Las Vegas | 2021/10/29 19:35 | Stefan Kozlov v Emilio Gomez | 7-6,6-4 |
| Challenger Las Vegas | 2021/10/28 19:35 | Aidan Mchugh v Stefan Kozlov | 2-6,7-5,6-7 |
| Challenger Las Vegas | 2021/10/26 20:20 | Mukund Sasikumar v Stefan Kozlov | 2-6,4-6 |
| ATP Indian Wells | 2021/10/06 18:00 | Stefan Kozlov v Christopher Eubanks | 6-2,0-6,5-7 |
| Challenger Columbus | 2021/09/26 16:55 | Stefan Kozlov v Max Purcell | 4-6,6-2,6-4 |
| Challenger Columbus | 2021/09/25 16:00 | Jeffrey John Wolf v Stefan Kozlov | 6-2,3-6,5-7 |
| Challenger Columbus | 2021/09/24 15:00 | Mikael Torpegaard v Stefan Kozlov | 6-2,6-7,4-6 |
Away History
| Challenger Las Vegas | 2021/10/30 20:00 | Michael Mmoh v Jeffrey John Wolf | 3-6,2-6 |
| Challenger Las Vegas | 2021/10/29 20:05 | Ernesto Escobedo v Jeffrey John Wolf | 3-6,3-6 |
| Challenger Las Vegas | 2021/10/27 18:00 | Jeffrey John Wolf v Denis Kudla | 4-6,6-3,6-0 |
| Challenger Las Vegas | 2021/10/26 21:15 | Shintaro Mochizuki v Jeffrey John Wolf | 3-6,5-7 |
| ATP Indian Wells | 2021/10/08 02:40 | Vasek Pospisil v Jeffrey John Wolf | 6-4,4-6,6-4 |
| Challenger Columbus | 2021/09/25 16:00 | Jeffrey John Wolf v Stefan Kozlov | 6-2,3-6,5-7 |
| Challenger Columbus | 2021/09/24 17:40 | Tennys Sandgren v Jeffrey John Wolf | 3-6,6-3,6-7 |
| Challenger Columbus | 2021/09/23 16:20 | Evan King v Jeffrey John Wolf | 3-6,0-6 |