| ITF M25 Ithaca | 01/18 19:40 | 26 | 네프베, 악셀 v Mccormick, Tristan | 6-3,6-7,6-7 | |
| ITF M25 Ithaca | 01/16 20:35 | 25 | 바네르지, 사미르 v Mccormick, Tristan | 1-6,6-2,2-6 | |
| ITF M15 Pittsburgh | 07/26 15:30 | 25 | 라가에브, 닉 v Mccormick, Tristan | Retired | |
| Challenger Granby | 07/16 19:20 | 14 | [271] Kypson, Patrick v Mccormick, Tristan [495] | 7-6,6-2 | |
| ITF M25 Laval | 07/14 16:00 | 27 | Mccormick, Tristan v Leo Vithoontien | 4-6,5-7 | |
| ITF M25 Laval | 07/13 17:45 | 26 | Mccormick, Tristan v 무암바, 니케즈 | 7-5,7-6 | |
| ITF M25 Laval | 07/11 22:00 | 25 | Mccormick, Tristan v 슈너, 브라이덴 | Retired | |
| Medellin, Colombia | 06/28 16:50 | 26 | Soriano Barrera, Adria v Mccormick, Tristan | 7-6,6-7,7-6 | |
| Medellin, Colombia | 06/27 18:40 | 25 | [362] Mccormick, Tristan v 안드레오지, 구이도 [253] | 6-7,6-1,7-6 | |
| Medellin, Colombia | 06/26 23:30 | 19 | Mccormick, Tristan v 마요, 키난 | 6-3,3-6,6-3 | |
| Medellin, Colombia | 06/26 18:00 | 14 | [362] Mccormick, Tristan v 스테벤슨, 켈세이 [207] | 6-4,7-6 | |
| Cali, Colombia | 06/19 16:00 | 19 | [434] Lama, Gonzalo v Mccormick, Tristan [359] | 6-3,6-7,6-3 | |
| Cali, Colombia | 06/18 16:00 | 14 | Miguel Angel Sarria v Mccormick, Tristan | 0-6,0-6 | |
| Challenger Palmas del Mar | 06/11 15:00 | 14 | [358] 주, 에반 v Mccormick, Tristan [364] | 4-6,6-3,7-5 | |
| Little Rock, USA | 05/28 21:10 | 14 | [364] Mccormick, Tristan v 토미크, 베르날다 [390] | 3-6,5-7 | |
| ITF M15 Huntsville | 05/26 21:30 | 27 | 빅넬, 블라이스 v Mccormick, Tristan | 6-3,6-4 | |
| ITF M15 Huntsville | 05/25 19:10 | 26 | Poritzky, Elijah v Mccormick, Tristan | 0-6,4-6 | |
| ITF M15 Huntsville | 05/24 21:55 | 25 | Dickerson, Ryan v Mccormick, Tristan | 4-6,3-6 | |
| ITF M25 Pensacola | 05/18 21:45 | 26 | Mccormick, Tristan v 토미크, 베르날다 | 3-6,7-6,3-6 | |
| ITF M25 Pensacola | 05/18 18:25 | 25 | [366] Mccormick, Tristan v 징크, 틸러 [441] | 6-7,7-6,6-1 | |
| Challenger Savannah | 04/23 17:30 | 14 | 베이커, 블루 v Mccormick, Tristan | 6-3,6-4 | |
| ITF M15 Sunrise | 04/16 14:00 | 29 | Mccormick, Tristan v 키아트코우스키, 다이손 | 4-6,6-7 | |
| ITF M15 Sunrise | 04/15 14:30 | 28 | [497] 피칠러, 디비드 v Mccormick, Tristan [438] | 7-6,3-6,3-6 | |
| ITF M15 Sunrise | 04/14 17:15 | 27 | Mccormick, Tristan v Kang, Kyle | 6-4,6-2 | |
| ITF M15 Sunrise | 04/13 17:40 | 26 | Mccormick, Tristan v Cooper Williams | 7-6,5-7,6-4 | |
| ITF M15 Sunrise | 04/13 13:00 | 25 | Mccormick, Tristan v Haviland, Ryan | 6-3,6-3 | |
| ITF M15 Monastir | 04/06 09:55 | 26 | 테프마크, 니콜라스 v Mccormick, Tristan | 6-4,7-5 | |
| ITF M15 Monastir | 04/05 13:25 | 25 | Temirhanov, Arslanbek v Mccormick, Tristan | 3-6,5-7 | |
| ITF M15 Monastir | 03/30 12:00 | 26 | Wiedenmann, Luca v Mccormick, Tristan | 6-1,6-1 | |
| ITF M15 Monastir | 03/29 11:50 | 25 | Jake Bhangdia v Mccormick, Tristan | 1-6,1-6 |