| Challenger Champaign | 11/12 23:10 | 14 | Harrison, Christian v Oliver Okonkwo | 4-6,6-3,6-7 | |
| Challenger Knoxville | 11/08 02:35 | 25 | Harrison, Christian v Murphy Cassone | 1-6,4-6 | |
| Challenger Knoxville | 11/06 15:00 | 19 | [355] Thai-Son Kwiatkowski v Harrison, Christian [150] | 6-1,6-3 | |
| Challenger Knoxville | 11/05 16:45 | 14 | Keegan Smith v Harrison, Christian | 6-2,2-6,5-7 | |
| Challenger Charlottesville | 10/30 17:30 | 19 | [376] Aidan Mayo v Harrison, Christian [152] | 2-6,7-5,6-2 | |
| Challenger Charlottesville | 10/29 23:40 | 14 | Kiefer, Alexander v Harrison, Christian | Walkover | |
| Challenger Fairfield | 10/13 20:05 | 27 | [227] Steve Johnson v Harrison, Christian [153] | 6-1,6-2 | |
| Challenger Fairfield | 10/12 18:45 | 26 | [153] Harrison, Christian v Tennys Sandgren [204] | 5-7,6-0,6-3 | |
| Challenger Fairfield | 10/10 20:50 | 25 | [153] Harrison, Christian v August Holmgren [433] | 6-4,6-4 | |
| Challenger Tiburon | 10/02 23:30 | 25 | [160] Harrison, Christian v Zachary Svajda [167] | 6-7,5-7 | |
| Charleston, SC, USA | 09/28 16:00 | 26 | [197] Ryan Peniston v Harrison, Christian [160] | 6-2,6-3 | |
| Charleston, SC, USA | 09/27 14:00 | 25 | [161] Harrison, Christian v Thai-Son Kwiatkowski [435] | 6-7,7-6,6-2 | |
| Charleston, SC, USA | 09/26 14:00 | 25 | Harrison, Christian v Emilio Gomez | Cancelled | |
| Challenger Columbus | 09/22 17:25 | 27 | [449] Cannon Kingsley v Harrison, Christian [161] | 7-5,6-4 | |
| Challenger Columbus | 09/21 16:00 | 26 | [161] Harrison, Christian v Zachary Svajda [168] | 6-4,7-5 | |
| Challenger Columbus | 09/20 17:45 | 25 | [161] Harrison, Christian v Aziz Dougaz [250] | Retired | |
| Challenger Cary | 09/13 19:05 | 26 | [228] Guido Andreozzi v Harrison, Christian [171] | 6-1,7-6 | |
| Challenger Cary | 09/11 22:00 | 25 | [413] Aidan Mayo v Harrison, Christian [171] | 6-4,4-6,2-6 | |
| Challenger Winnipeg | 08/16 17:00 | 26 | [260] Ryan Peniston v Harrison, Christian [183] | 6-0,6-2 | |
| Challenger Winnipeg | 08/14 23:10 | 25 | [183] Harrison, Christian v Stricker, Dominic Stephan [131] | 7-5,6-1 | |
| Challenger Lexington | 08/01 00:10 | 25 | Eliot Spizzirri v Harrison, Christian | 7-6,6-4 | |
| Challenger Granby | 07/19 14:00 | 26 | [221] Tung-Lin Wu v Harrison, Christian [225] | 6-3,6-4 | |
| Challenger Granby | 07/17 23:15 | 25 | [461] Alexandr Cozbinov v Harrison, Christian [225] | 1-6,3-6 | |
| Challenger Granby | 07/17 23:15 | 25 | Schnur, Brayden v Harrison, Christian | Cancelled | |
| Challenger Bloomfield Hills | 07/04 18:10 | 25 | [261] Harrison, Christian v Mikhail Kukushkin [262] | 2-6,7-6,6-7 | |
| Challenger - Tallahassee | 04/17 20:00 | 25 | [472] Harrison, Christian v Hong, Seong Chan [200] | 3-6,1-6 | |
| Challenger - Sarasota | 04/11 18:25 | 25 | [223] Genaro Alberto Olivieri v Harrison, Christian [460] | 6-4,4-6,7-5 | |
| Rome, USA | 02/20 23:55 | 25 | [349] Harrison, Christian v Moraing, Mats [270] | 6-1,4-6,3-6 | |
| Challenger - Tenerife | 02/07 12:30 | 25 | [351] Harrison, Christian v Giovanni Fonio [364] | 5-7,4-6 | |
| Challenger - Ténérife - Qualif. | 02/06 15:00 | 19 | [445] Oscar Jose Gutierrez v Harrison, Christian [351] | 4-6,6-4,2-6 |
Wikipedia - Christian Harrison
Christian Harrison, né le à Shreveport, est un joueur de tennis américain, professionnel depuis 2011.
Il est le frère cadet du joueur de tennis Ryan Harrison.