Stadium: Court 2 Round: 46 Ground: Clay
| Challenger Newport Beach | 2018/01/24 18:00 | Stefan Kozlov v Miomir Kecmanovic | 3-6,4-6 |
| Challenger Newport Beach | 2018/01/22 19:55 | Guilherme Clezar v Stefan Kozlov | 2-6,3-6 |
| Australian Open Qual | 2018/01/13 23:00 | Stefan Kozlov v Dustin Brown | 4-6,6-3,3-6 |
| Australian Open Qual | 2018/01/11 06:20 | Yannick Hanfmann v Stefan Kozlov | 6-4,6-7,4-6 |
| Australian Open Qual | 2018/01/09 23:00 | Stefan Kozlov v Blake Ellis | 7-6,4-6,7-6 |
| Challenger Noumea | 2018/01/01 08:30 | Stefan Kozlov v Corentin Moutet | 6-7,6-3,2-6 |
| Challenger Knoxville | 2017/11/08 16:20 | Stefan Kozlov v Tim Smyczek | 6-7,2-6 |
| Challenger Charlottesville | 2017/11/04 18:55 | Stefan Kozlov v Tim Smyczek | 3-6,6-2,2-6 |
| ITF Argentina F12 | 2017/12/09 18:30 | Martin Cuevas v Juan Ignacio Galarza | 6-3,6-7,6-4 |
| ITF Argentina F12 | 2017/12/08 15:00 | Federico Coria v Martin Cuevas | 4-6,0-6 |
| ITF Argentina F12 | 2017/12/07 17:00 | Martin Cuevas v Santiago Rodriguez Taverna | 6-1,6-1 |
| ITF Argentina F12 | 2017/12/06 13:30 | Martin Cuevas v Augusto Laranja | 6-2,6-4 |
| ITF Argentina F12 | 2017/12/05 14:30 | Martin Cuevas v Geronimo E Busleiman | 6-4,6-0 |
| ITF Argentina F11 | 2017/12/02 15:00 | Martin Cuevas v Hernan Casanova | 6-4,6-2 |
| ITF Argentina F11 | 2017/12/01 14:15 | Andrea Collarini v Martin Cuevas | 3-6,1-6 |
| ITF Argentina F11 | 2017/11/30 16:30 | Martin Cuevas v Patricio Heras | 2-6,6-3,7-6 |