Stefan Kozlov
| Challenger - Charlottesville | 11/01 21:50 | 25 | [199] Mitchell Krueger v Stefan Kozlov [132] | 5-7,6-0,6-7 | |
| Challenger - Las Vegas | 10/30 19:00 | 29 | [444] Tennys Sandgren v Stefan Kozlov [133] | 7-5,6-3 | |
| Challenger - Las Vegas | 10/29 19:55 | 28 | [133] Stefan Kozlov v Steve Johnson [119] | 6-3,1-6,7-5 | |
| Challenger - Las Vegas | 10/28 19:10 | 27 | [225] Alexis Galarneau v Stefan Kozlov [133] | 7-6,4-6,3-6 | |
| Challenger - Las Vegas | 10/27 18:00 | 26 | [321] Evan Zhu v Stefan Kozlov [133] | 6-7,2-6 | |
| Challenger - Las Vegas | 10/25 19:40 | 25 | Cannon Kingsley v Stefan Kozlov | 5-7,6-4,1-6 | |
| Challenger - Fairfield | 10/11 18:20 | 25 | Sam Riffice v Stefan Kozlov | 3-6,6-2,6-3 | |
| Challenger - Tiburon | 10/06 19:35 | 26 | [243] Alexis Galarneau v Stefan Kozlov [130] | 6-1,7-5 | |
| Challenger - Tiburon | 10/04 19:45 | 25 | [361] Giovanni Oradini v Stefan Kozlov [130] | 1-6,4-6 | |
| Challenger - Charleston | 09/27 14:00 | 25 | Evan Zhu v Stefan Kozlov | Cancelled | |
| ATP - San Diego | 09/20 00:30 | 25 | [73] Jeffrey John Wolf v Stefan Kozlov [108] | 6-2,7-6 | |
| Challenger - Cary | 09/15 20:00 | 26 | [307] Yasutaka Uchiyama v Stefan Kozlov [110] | Retired | |
| Challenger - Cary | 09/13 18:00 | 25 | Cannon Kingsley v Stefan Kozlov | 6-2,2-6,2-6 | |
| US Open | 08/29 16:00 | 23 | [1] Daniil Medvedev v Stefan Kozlov [111] | 6-2,6-4,6-0 | |
| Challenger - Granby | 08/23 14:00 | 25 | Stefan Kozlov v Aidan Mchugh | Cancelled | |
| ATP - Cincinnati | 08/13 20:15 | 14 | [113] Stefan Kozlov v Dusan Lajovic [68] | 3-6,5-7 | |
| Challenger - Chicago | 08/10 18:50 | 25 | [113] Stefan Kozlov v Ernesto Escobedo [174] | 4-6,6-7 | |
| ATP - Washington | 08/01 21:20 | 24 | [111] Stefan Kozlov v Jack Draper [81] | 5-7,2-6 | |
| ATP - Atlanta | 07/23 18:00 | 26 | [196] Ramkumar Ramanathan v Stefan Kozlov [103] | 6-0,6-1 | |
| Challenger - Indianapolis | 07/18 22:45 | 25 | [269] Aleksandar Kovacevic v Stefan Kozlov [103] | 6-3,6-7,6-4 | |
| ATP - Newport | 07/11 18:40 | 25 | [104] Stefan Kozlov v Steve Johnson [95] | 5-7,3-6 | |
| Wimbledon | 06/28 15:40 | 23 | [107] Stefan Kozlov v Diego Schwartzman [15] | 3-6,2-6,2-6 | |
| Wimbledon | 06/23 10:00 | 19 | [107] Stefan Kozlov v Dennis Novak [155] | 5-7,4-6,7-5,6-3,3-6 | |
| Wimbledon | 06/22 10:00 | 19 | [107] Stefan Kozlov v Dominic Stephan Stricker [188] | 7-6,4-6,6-3 | |
| Wimbledon | 06/20 12:15 | 14 | [107] Stefan Kozlov v Evan Furness [229] | 7-5,6-3 | |
| ATP - Queens | 06/11 11:20 | 26 | [111] Stefan Kozlov v Steve Johnson [87] | 0-6,0-6 | |
| ATP - Hertogenbosch | 06/04 11:00 | 14 | [112] Stefan Kozlov v Matthew Ebden [395] | 4-6,4-6 | |
| Challenger - Surbiton | 06/02 10:00 | 26 | [112] Stefan Kozlov v Brandon Nakashima [75] | 4-6,3-6 | |
| Challenger - Surbiton | 05/30 16:10 | 25 | [113] Stefan Kozlov v Mats Moraing [116] | 6-3,7-6 | |
| French Open | 05/17 16:00 | 14 | [116] Stefan Kozlov v Nino Serdarusic [188] | 5-7,0-6 |
Wikipedia - Stefan Kozlov
Stefan Kozlov (* 1. Februar 1998 in Skopje, Mazedonien) ist ein US-amerikanischer Tennisspieler.