| ITF M15 Naples | 03/04 15:00 | 28 | Federico Agustin Gomez v Tristan McCormick | 2-6,7-5,6-3 | |
| ITF M15 Naples | 03/03 16:20 | 27 | Tristan McCormick v Daniel Paty | 7-6,6-4 | |
| ITF M15 Naples | 03/02 18:10 | 26 | Tristan McCormick v Evan Bynoe | 6-4,6-2 | |
| ITF M15 Naples | 03/01 18:30 | 25 | Tristan McCormick v Lucas Renard | 4-6,6-4,6-3 | |
| Challenger Rome GA | 02/19 21:55 | 14 | Pedro Rodenas v Tristan McCormick | 6-3,6-4 | |
| ITF M15 Sharm El Sheikh | 02/08 07:55 | 25 | Tristan McCormick v Boris Butulija | 6-3,4-6,5-7 | |
| ITF M25 Sunderland | 01/27 11:15 | 27 | [462] Martin Damm v Tristan McCormick [480] | 7-6,6-2 | |
| ITF M25 Sunderland | 01/26 10:00 | 26 | Tristan McCormick v George Houghton | 6-1,6-4 | |
| ITF M25 Sunderland | 01/24 13:15 | 25 | Tristan McCormick v Harry Wendelken | 5-7,6-4,6-1 | |
| ITF M25 Sheffield | 01/17 13:55 | 25 | [480] Tristan McCormick v Daniel Cukierman [357] | 3-6,3-6 | |
| ITF M25 Sheffield | 01/16 11:15 | 54 | Tristan McCormick v Mattias Southcombe | 4-6,6-3,10-8 | |
| ITF M25 Sheffield | 01/15 14:35 | 54 | Tristan McCormick v Patric Prinoth | 6-1,6-4 | |
| ITF M25 Loughborough | 01/10 10:00 | 25 | [397] Mirza Basic v Tristan McCormick [484] | 6-3,6-4 | |
| Challenger Knoxville | 11/08 20:50 | 25 | [332] Ulises Blanch v Tristan McCormick [490] | 6-3,3-6,7-5 | |
| Challenger Knoxville | 11/07 19:25 | 19 | Donald Young v Tristan McCormick | 6-3,4-6,5-7 | |
| Challenger Knoxville | 11/06 21:50 | 14 | [224] Anirudh Chandrasekar v Tristan McCormick [492] | 2-6,2-6 | |
| Challenger Knoxville | 11/06 21:50 | 14 | Cayetano March v Tristan McCormick | Cancelled | |
| Challenger Charlottesville | 10/30 14:00 | 14 | Tristan McCormick v Donald Young | 4-6,3-6 | |
| Challenger Las Vegas | 10/23 20:45 | 14 | Tennys Sandgren v Tristan McCormick | 6-1,7-6 | |
| Challenger Ambato | 10/17 16:50 | 19 | Tristan McCormick v N.Sriram Balaji | 6-2,1-6,4-6 | |
| ITF M15 Cancun | 09/25 14:00 | 29 | Tristan McCormick v Alexander Cozbinov | 3-6,1-6 | |
| ITF M15 Cancun | 09/24 13:30 | 28 | Leanid Boika v Tristan McCormick | 4-6,4-6 | |
| ITF M15 Cancun | 09/23 19:00 | 27 | Daniel Vallejo v Tristan McCormick | 5-7,6-7 | |
| ITF M15 Cancun | 09/23 13:30 | 26 | Luciano Doria v Tristan McCormick | 3-6,3-6 | |
| ITF M15 Cancun | 09/21 18:00 | 25 | Samer Al Tori v Tristan McCormick | 4-6,7-6,3-6 | |
| ITF M15 Cancun | 09/18 14:00 | 29 | Tristan McCormick v Kareem Al Allaf | 6-3,6-3 | |
| ITF M15 Cancun | 09/17 14:00 | 28 | Liam Draxl v Tristan McCormick | 3-6,5-7 | |
| ITF M15 Cancun | 09/16 20:00 | 27 | Tristan McCormick v Alexander Cozbinov | 7-6,7-6 | |
| ITF M15 Cancun | 09/15 18:20 | 26 | Tristan McCormick v Tin Chen | 6-4,6-7,6-4 | |
| ITF M15 Cancun | 09/14 14:00 | 25 | Fernando Yamacita v Tristan McCormick | 3-6,2-6 |