Stadium: Court 6 Round: 54 Ground: Hardcourt indoor
| Challenger Knoxville | 2018/11/06 17:00 | Preston Touliatos v Evgeny Karlovskiy | 3-6,2-6 |
| ITF USA F29 | 2018/10/29 16:00 | Timo Stodder v Preston Touliatos | 6-3,6-1 |
| ITF USA F29 | 2018/10/28 16:00 | Jan Soeren Hain v Preston Touliatos | 4-6,0-6 |
| ITF USA F29 | 2018/10/27 16:30 | Preston Touliatos v Gregor Ramskogler | 7-5,6-4 |
| ITF USA F29 | 2018/10/26 20:30 | Preston Touliatos v Varun Jayaram | 6-0,6-1 |
| Challenger Knoxville Qual | 2017/11/05 21:25 | Marcus Willis v Preston Touliatos | 6-1,7-5 |
| ITF USA F25 Qual | 2016/07/23 15:00 | Preston Touliatos v Jesus Bandres | 3-6,3-6 |
| ITF USA F31 | 2018/11/11 18:30 | Nathan Chavez v Emile Hudd | 4-6,4-6 |
| ITF USA F28B | 2018/10/21 15:00 | Nathan Chavez v Nicholas Bybel | 6-3,1-6,1-6 |
| ITF USA F28 | 2018/10/14 15:00 | Nathan Chavez v A.J Catanzariti | 6-3,3-6,4-6 |
| ITF USA F19 Qual | 2018/06/30 15:00 | Nathan Chavez v Bradley Frye | 4-6,2-6 |
| ITF USA F17 Qual | 2018/06/23 17:00 | Jake Van Emburgh v Nathan Chavez | 6-2,6-0 |
| Challenger Dallas Qual | 2018/01/27 16:00 | Nick Chappell v Nathan Chavez | 6-3,6-0 |
| ITF USA F34 Qual | 2017/10/15 15:00 | Nathan Chavez v Evan Zhu | 0-6,4-6 |
| ITF USA F23 Qual | 2017/07/01 13:30 | Nathan Chavez v Colin Markes | 2-6,5-7 |