Stadium: Court 5 Round: 25 Ground: Clay
| Challenger Puerto Vallarta | 2018/05/02 23:45 | Alexander Sarkissian v Santiago Giraldo | 3-6,6-7 |
| Challenger Puerto Vallarta | 2018/05/02 01:00 | Alexander Sarkissian v Gerardo L Villasenor | 2-6,6-3,6-4 |
| Challenger Leon | 2018/04/27 20:55 | Roberto Quiroz v Alexander Sarkissian | 6-4,7-6 |
| Challenger Leon | 2018/04/25 21:55 | Jose Hernandez-Fernandez v Alexander Sarkissian | 6-7,6-7 |
| Challenger Guadalajara | 2018/04/19 21:00 | Marcelo Arevalo v Alexander Sarkissian | 6-3,6-3 |
| Challenger Guadalajara | 2018/04/17 17:00 | Christopher Heyman v Alexander Sarkissian | 4-6,6-7 |
| Challenger San Luis Potosi | 2018/03/28 19:40 | Roberto Cid Subervi v Alexander Sarkissian | 6-2,6-0 |
| ITF USA F8 | 2018/03/23 19:20 | Laurent Lokoli v Alexander Sarkissian | 6-3,6-1 |
| ITF USA F13 Qual | 2018/06/11 16:20 | Christian Seraphim v Felix Corwin | 6-3,6-3 |
| ITF USA F13 Qual | 2018/06/10 14:00 | Christian Seraphim v Kevin Gardner | 6-1,6-1 |
| ITF USA F13 Qual | 2018/06/09 15:30 | Danny Thomas v Christian Seraphim | 6-7,4-6 |
| ITF USA F3 Qual | 2018/01/07 16:00 | Christian Seraphim v Justin Butsch | 1-6,4-6 |
| ITF USA F3 Qual | 2018/01/05 15:00 | Pedro F Maciel v Christian Seraphim | 6-2,1-6,3-6 |
| ITF Austria F2 | 2016/07/12 08:30 | Christian Seraphim v Matthias Haim | 3-6,6-7 |
| ITF Austria F2 | 2016/07/10 08:00 | Robin Peham v Christian Seraphim | 3-6,2-6 |
| ITF Austria F2 | 2016/07/09 07:15 | Michael Kerschbaumer v Christian Seraphim | 0-6,0-6 |