| ITF - M25 Naples | 11/19 13:55 | 44 | Benjamin Dhoe v Preston Touliatos | 6-3,7-5 | |
| ITF - M25 Naples | 11/18 14:00 | 44 | Patrick Daciek v Preston Touliatos | 4-6,2-6 | |
| ITF - M25 Naples | 11/17 14:00 | 44 | Luis F Labarta v Preston Touliatos | 2-6,0-6 | |
| ITF M25 Orlando | 11/12 17:00 | 54 | Joao Hinsching v Preston Touliatos | 6-4,7-6 | |
| ITF M25 Orlando | 11/11 15:00 | 54 | Alexander Bernard v Preston Touliatos | 6-1,1-6,8-10 | |
| ITF - M25 Naples | 10/27 14:00 | 44 | Goncalo Ferreira v Preston Touliatos | 6-3,7-5 | |
| ITF M25 Norman | 09/29 15:00 | 44 | Alexander Lebedev v Preston Touliatos | 6-4,6-2 | |
| ITF M25 - Harlingen | 09/23 14:00 | 44 | Hunter Heck v Preston Touliatos | 6-3,6-1 | |
| ITF M25 Memphis | 08/14 21:00 | 26 | Ulises Blanch v Preston Touliatos | 6-2,6-2 | |
| ITF M25 Memphis | 08/13 16:50 | 25 | Preston Touliatos v Dennis Novikov | 3-6,7-6,6-3 | |
| ITF M25 Memphis | 08/12 20:05 | 54 | Preston Touliatos v Matthew Terry | 6-0,6-3 | |
| ITF M25 Edwardsville | 08/05 14:00 | 54 | Preston Touliatos v Carson Haskins | 5-7,6-3,5-10 | |
| ITF M25 - Decatur | 07/30 21:05 | 25 | Hady Habib v Preston Touliatos | 6-3,6-3 | |
| ITF M25 Champaign | 07/24 23:00 | 25 | Preston Touliatos v Jared Hiltzik | 6-7,7-6,3-6 | |
| ITF M25 Champaign | 07/23 17:05 | 54 | Gianni Ross v Preston Touliatos | 7-6,3-6,3-10 | |
| ITF M25 Champaign | 07/22 17:00 | 54 | Kevin Gardner v Preston Touliatos | 1-6,0-6 | |
| ITF M25 Iowa City | 07/19 17:25 | 27 | Alex Rybakov v Preston Touliatos | 6-3,6-2 | |
| ITF M25 Iowa City | 07/18 19:05 | 26 | Preston Touliatos v Ricardo Rodriguez | 6-4,2-6,6-2 | |
| ITF M25 Iowa City | 07/17 22:45 | 25 | Preston Touliatos v Stefan Dostanic | 7-6,7-6 | |
| ITF M25 Iowa City | 07/16 17:20 | 54 | Preston Touliatos v Andrew Fenty | 6-4,6-1 | |
| ITF M25 Iowa City | 07/15 15:00 | 54 | Reese Stalder v Preston Touliatos | 1-6,0-6 | |
| ITF M15 - Norman | 07/10 16:10 | 25 | Austin Rapp v Preston Touliatos | 6-1,6-2 | |
| ITF M15 - Norman | 07/09 14:00 | 54 | Preston Touliatos v Nathan Chavez | 2-6,6-3,11-9 | |
| Challenger - Knoxville | 11/06 17:00 | 25 | Preston Touliatos v Evgeny Karlovskiy | 3-6,2-6 | |
| ITF USA F29 | 10/29 16:00 | 60 | Timo Stodder v Preston Touliatos | 6-3,6-1 | |
| ITF USA F29 | 10/28 16:00 | 60 | Jan Soeren Hain v Preston Touliatos | 4-6,0-6 | |
| ITF USA F29 | 10/27 16:30 | 60 | Preston Touliatos v Gregor Ramskogler | 7-5,6-4 | |
| ITF USA F29 | 10/26 20:30 | 60 | Preston Touliatos v Varun Jayaram | 6-0,6-1 | |
| Challenger Knoxville Qual | 11/05 21:25 | 45 | Marcus Willis v Preston Touliatos | 6-1,7-5 | |
| ITF USA F25 Qual | 07/23 15:00 | 62 | Preston Touliatos v Jesus Bandres | 3-6,3-6 |