Home History
| Challenger Tallahassee | 2015/04/27 16:00 | Facundo Arguello v Stefan Kozlov | 6-4,7-5 |
| Challenger - Savannah | 2015/04/21 23:10 | Tim Smyczek v Stefan Kozlov | 6-4,6-1 |
| ITF USA F11 | 2015/03/26 22:35 | Stefan Kozlov v Clay Thompson | 3-6,3-6 |
| ITF USA F11 | 2015/03/24 22:30 | Keanu Ellen v Stefan Kozlov | 0-6,0-6 |
| ITF USA F10 | 2015/03/19 22:15 | Darian King v Stefan Kozlov | 1-6,6-1,6-1 |
| ITF USA F10 | 2015/03/18 03:35 | Stefan Kozlov v Evan Song | 6-3,6-4 |
| ATP Delray Beach | 2015/02/17 18:25 | Tim Smyczek v Stefan Kozlov | 7-5,6-2 |
| ATP Memphis | 2015/02/10 02:30 | Jared Donaldson v Stefan Kozlov | 7-5,6-0 |
Away History
| ITF USA F15 | 2015/05/06 14:00 | Lasse Muscheites v Ryan Haviland | 2-6,1-6 |
| ITF USA F14 | 2015/05/01 18:00 | Michael Mmoh v Ryan Haviland | 6-4,1-6,6-3 |
| ITF USA F14 | 2015/04/29 14:30 | Ryota Tanuma v Ryan Haviland | 2-6,3-6 |
| ITF USA F13 | 2015/04/16 16:20 | Wil Spencer v Ryan Haviland | 7-6,6-3 |
| ITF USA F12 | 2015/04/07 21:40 | Ryan Haviland v Ernesto Escobedo | 4-6,3-6 |
| ITF USA F11 Qual | 2015/03/23 18:40 | Ryan Haviland v Raymond Sarmiento | 6-7,3-6 |
| ITF USA F11 Qual | 2015/03/22 16:00 | Isaiah Strode v Ryan Haviland | 7-6,5-7,6-7 |
| ITF USA F28 | 2014/10/15 15:00 | Liam Broady v Ryan Haviland | 6-2,6-1 |