| ITF USA F18 | 06/25 14:00 | 62 | Mermersky, Sebastian v 아리밀리, 네빈 | 2-6,6-1,3-6 | |
| ITF USA F22 | 06/28 14:00 | 25 | Smith, Raleigh v Mermersky, Sebastian | 6-2,6-1 | |
| ITF USA F22 | 06/26 14:00 | 62 | 조이스, 마르틴 v Mermersky, Sebastian | 6-3,2-6,4-6 | |
| ITF USA F22 | 06/25 15:30 | 62 | Mccormick, Tristan v Mermersky, Sebastian | 3-6,5-7 | |
| ITF USA F15 | 04/22 14:00 | 60 | Torre, Eduardo Agustin v Mermersky, Sebastian | 6-0,7-5 | |
| ITF USA F15 | 04/21 13:00 | 60 | Pointon, Samuel v Mermersky, Sebastian | 3-6,2-6 | |
| ITF USA F8 | 02/17 21:00 | 60 | Mermersky, Sebastian v Peric, Nebojsa | 0-6,6-7 | |
| ITF USA F6 | 01/28 15:00 | 60 | Mermersky, Sebastian v Davidson, Patrick | 3-6,0-6 | |
| ITF USA F6 | 01/27 14:30 | 60 | 타가시라, 켄토 v Mermersky, Sebastian | 1-6,3-6 | |
| Dominican Republic F3, Singles | 12/10 14:00 | 62 | Mermersky, Sebastian v 메리시어, 타일러 | Retired | |
| ITF Dominican Republic F2 | 12/05 13:00 | 62 | Mermersky, Sebastian v 게르바이스, 와시 | 4-6,4-6 | |
| ITF Dominican Republic F2 | 12/04 17:30 | 62 | Treyz, Beauregard v Mermersky, Sebastian | 2-6,0-6 | |
| ITF Dominican Republic F2 | 12/03 15:00 | 62 | Mermersky, Sebastian v Turnquest, Jody | 7-5,3-6,6-3 | |
| USA F37, Singles | 11/11 22:00 | 60 | Cotrone, Dominic v Mermersky, Sebastian | Retired | |
| ITF Canada F9 Qual | 09/19 17:50 | 44 | 크라이니크, 파벨 v Mermersky, Sebastian | 6-4,6-2 | |
| ITF Canada F9 Qual | 09/17 14:00 | 44 | Mermersky, Sebastian v Dynka, Tom | 6-2,6-3 | |
| ITF USA F22 Qual | 06/25 15:30 | 62 | Mermersky, Sebastian v Bivens, Dejon | 2-6,3-6 | |
| ITF Bulgaria F1 | 05/18 08:45 | 25 | Mermersky, Sebastian v 라조브, 알렉산더 | 3-6,2-6 | |
| ITF USA F9 Qual | 02/26 19:00 | 60 | 벨로브, 세르게이 v Mermersky, Sebastian | 6-3,6-3 | |
| ITF USA F3 Qual | 01/08 21:30 | 60 | Mermersky, Sebastian v 필리프스, 롤란드 | 2-6,1-6 |