Stadium: Court 1 Round: 44 Ground: Hardcourt indoor
| ITF USA F33 | 2018/11/17 15:00 | Kooros Ghasemi v Nils Ellefsen | 7-6,3-6,6-4 |
| Challenger Lexington Qual | 2017/07/30 15:45 | Christopher Rungkat v Nils Ellefsen | 6-0,6-4 |
| Challenger Lexington Qual | 2017/07/29 14:00 | Nils Ellefsen v Robert Galloway | 6-4,6-4 |
| ITF USA F27 Qual | 2016/08/07 13:30 | Hunter Callahan v Nils Ellefsen | 6-3,6-2 |
| ITF USA F27 Qual | 2016/08/06 13:30 | Nils Ellefsen v Joseph W. Van Meter | 6-2,6-4 |
| ITF M15 - Norman | 2019/07/11 16:40 | Christian Lakoseljac v Andrew Fenty | 1-6,6-2,6-7 |
| ITF M15 - Norman | 2019/07/09 15:00 | Alexander Brown v Christian Lakoseljac | 7-6,3-6,2-6 |
| ITF USA F23 Qual | 2018/08/11 15:00 | Alexander Lebedev v Christian Lakoseljac | 6-4,6-4 |
| ITF USA F16 | 2018/06/16 17:00 | Jordi Arconada v Christian Lakoseljac | 6-4,6-4 |
| ITF USA F14 | 2018/06/09 14:00 | Charles Broom v Christian Lakoseljac | 7-6,7-6 |
| Challenger Granby Qual | 2017/07/22 18:45 | Luis David Martinez v Christian Lakoseljac | 6-4,6-4 |
| ITF Canada F4 | 2017/07/05 17:45 | Christian Lakoseljac v Marcos Giron | 1-6,2-6 |
| ITF Canada F4 Qual | 2017/07/03 16:00 | Sebastian Zapata v Christian Lakoseljac | 0-6,0-6 |