| ATP - Houston | 04/02 20:20 | 14 | [121] Hidalgo, Diego v Harrison, Christian [307] | Walkover | |
| ITF - M25 Bakersfield | 03/15 21:30 | 25 | Harrison, Christian v Martin Damm | 1-6,3-6 | |
| Monterrey, Mexico | 03/12 01:00 | 28 | [150] Verdasco, Fernando v Harrison, Christian [357] | 4-6,6-4,6-2 | |
| Monterrey, Mexico | 03/10 23:10 | 27 | [357] Harrison, Christian v Geoffrey Blancaneaux [247] | 6-4,6-2 | |
| Monterrey, Mexico | 03/09 18:00 | 26 | [320] Bernard Tomic v Harrison, Christian [357] | 2-6,5-7 | |
| Monterrey, Mexico | 03/08 18:00 | 25 | [427] Sho Shimabukuro v Harrison, Christian [357] | 3-6,5-7 | |
| ITF - M25 Santo Domingo | 02/24 13:30 | 26 | Gilbert Klier Junior v Harrison, Christian | Walkover | |
| ITF - M25 Santo Domingo | 02/23 18:00 | 25 | [386] Oliver Crawford v Harrison, Christian [320] | 4-6,7-6,4-6 | |
| Challenger - Cleveland | 01/31 23:10 | 25 | [165] Tennys Sandgren v Harrison, Christian [328] | 7-6,3-6,7-6 | |
| Challenger Columbus | 01/23 15:00 | 14 | [375] Quiroz, Roberto v Harrison, Christian [335] | 6-4,7-6 | |
| Forli 6, Italy | 01/07 17:00 | 27 | [364] Luca Nardi v Harrison, Christian [256] | 1-6,7-5,6-2 | |
| Forli 6, Italy | 01/05 09:00 | 26 | [339] Alexey Vatutin v Harrison, Christian [256] | 0-6,6-2,2-6 | |
| Forli 6, Italy | 01/04 10:40 | 25 | [400] Aldin Setkic v Harrison, Christian [256] | 6-2,5-7,6-7 | |
| Forli 6, Italy | 01/03 19:20 | 25 | Riccardo Bonadio v Harrison, Christian | Cancelled | |
| Puerto Vallarta, Mexico | 11/25 21:00 | 26 | [252] Harrison, Christian v Zachary Svajda [483] | 1-6,6-7 | |
| Puerto Vallarta, Mexico | 11/23 21:00 | 25 | [252] Harrison, Christian v Ortega-Olmedo, Roberto [360] | 6-4,6-0 | |
| Challenger Champaign | 11/17 17:35 | 26 | [252] Harrison, Christian v Mitchell Krueger [164] | 3-6,6-1,4-6 | |
| Challenger Champaign | 11/16 01:15 | 25 | Ezekiel Clark v Harrison, Christian | 6-4,3-6,3-6 | |
| Challenger Knoxville | 11/12 16:00 | 27 | [178] Christopher Eubanks v Harrison, Christian [263] | 6-3,7-6 | |
| Challenger Knoxville | 11/10 17:15 | 26 | [173] Jason Jung v Harrison, Christian [263] | Retired | |
| Challenger Knoxville | 11/09 15:00 | 25 | [263] Harrison, Christian v Wolf, Jeffrey John [152] | 6-2,6-3 | |
| Challenger Charlottesville | 11/03 17:25 | 26 | [270] Harrison, Christian v Schnur, Brayden [243] | 6-7,7-6,6-7 | |
| Challenger Charlottesville | 11/02 19:05 | 25 | [173] Jason Jung v Harrison, Christian [270] | 5-7,4-6 | |
| Challenger Charlottesville | 11/01 14:00 | 19 | [270] Harrison, Christian v Gijs Brouwer [381] | 2-6,6-3,6-2 | |
| Challenger Charlottesville | 10/31 15:00 | 14 | [273] Harrison, Christian v Arjun Kadhe [211] | 6-2,6-2 | |
| ATP - Indian Wells | 10/06 02:25 | 14 | [278] Harrison, Christian v Enzo Couacaud [189] | 3-6,7-5,6-7 | |
| Challenger Columbus | 09/21 15:20 | 25 | Harrison, Christian v Torpegaard, Mikael | Cancelled | |
| Challenger Cary | 09/13 19:45 | 25 | [125] Salvatore Caruso v Harrison, Christian [275] | 6-3,6-3 | |
| US Open, New York, USA | 08/26 19:25 | 15 | [155] Sebastian Baez v Harrison, Christian [280] | 7-6,7-5 | |
| US Open, New York, USA | 08/25 15:00 | 14 | [280] Harrison, Christian v Londero, Juan Ignacio [153] | 6-4,6-2 |
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.