| Challenger - Tenerife - Qualificação | 02/06 10:45 | 14 | Miguel Damas v Christian Harrison | 6-1,3-6,1-6 | |
| Challenger - Tenerife | 01/30 12:25 | 19 | [354] Christian Harrison v Daniel Cox [447] | 4-6,5-7 | |
| Challenger - Tenerife | 01/29 15:15 | 14 | [252] Michael Geerts v Christian Harrison [356] | 4-6,6-3,2-6 | |
| Challenger - Quimper | 01/23 09:00 | 14 | Johan Tatlot v Christian Harrison | 6-4,6-4 | |
| Challenger - Tenerife | 01/16 13:00 | 19 | [356] Christian Harrison v Ernests Gulbis [314] | 1-6,6-2,3-6 | |
| Challenger - Tenerife | 01/15 10:00 | 14 | [276] Steven Diez v Christian Harrison [356] | 4-6,3-6 | |
| Wimbledon | 06/29 13:10 | 24 | [36] Oscar Otte v Christian Harrison [251] | Retired | |
| Wimbledon | 06/27 17:50 | 23 | [156] Jay Clarke v Christian Harrison [251] | 6-7,1-6,6-7 | |
| Wimbledon | 06/23 10:00 | 19 | [248] Christian Harrison v Daniel Masur [221] | 4-6,6-3,5-7,6-4,6-1 | |
| Wimbledon | 06/22 11:15 | 19 | [184] Dalibor Svrcina v Christian Harrison [248] | 6-0,3-6,6-7 | |
| Wimbledon | 06/20 13:45 | 14 | Anton Matusevich v Christian Harrison | 3-6,4-6 | |
| Challenger - Orlando | 06/09 14:00 | 26 | Yibing Wu v Christian Harrison | 7-6,6-0 | |
| Challenger - Orlando | 06/07 14:00 | 25 | [263] Christian Harrison v Gonzalo Villanueva [302] | 6-4,6-2 | |
| Challenger - Little Rock | 06/01 01:30 | 25 | Ben Shelton v Christian Harrison | 7-6,6-4 | |
| ITF - M25 Nottingham | 05/13 09:30 | 27 | Christian Harrison v Edan Leshem | Retired | |
| ITF - M25 Nottingham | 05/12 08:55 | 26 | Christian Harrison v Giles Hussey | 6-2,6-3 | |
| ITF - M25 Nottingham | 05/11 10:25 | 25 | Christian Harrison v Sean Hodkin | 6-1,6-3 | |
| Challenger - Savannah | 05/01 16:00 | 29 | [307] Christian Harrison v Jack Sock [139] | 4-6,1-6 | |
| Challenger - Savannah | 04/30 17:45 | 28 | [307] Christian Harrison v Jeffrey John Wolf [142] | 6-1,6-3 | |
| Challenger - Savannah | 04/29 16:00 | 27 | [95] Tomas Martin Etcheverry v Christian Harrison [307] | 4-6,2-6 | |
| Challenger - Savannah | 04/28 16:45 | 26 | [307] Christian Harrison v Alexis Galarneau [311] | 6-2,6-3 | |
| Challenger - Savannah | 04/26 15:45 | 25 | Christian Harrison v Ezekiel Clark | 6-1,6-3 | |
| Challenger - Tallahassee | 04/22 15:00 | 27 | [327] Christian Harrison v Tung-Lin Wu [287] | 0-6,4-6 | |
| Challenger - Tallahassee | 04/20 15:00 | 26 | [146] Mitchell Krueger v Christian Harrison [327] | Retired | |
| Challenger - Tallahassee | 04/18 20:55 | 25 | [327] Christian Harrison v Prajnesh Gunneswaran [273] | 6-3,6-3 | |
| Challenger - Sarasota | 04/12 22:25 | 25 | [297] Christian Harrison v Jack Sock [139] | 4-6,4-6 | |
| Challenger - Sarasota | 04/11 16:00 | - | [297] Christian Harrison v Mikael Torpegaard [330] | 6-4,6-3 | |
| Challenger - Sarasota | 04/10 14:00 | 26 | [312] Christian Harrison v Cristian Cristian Rodríguez [418] | 6-2,7-6 | |
| ATP - Houston | 04/06 02:00 | 25 | [312] Christian Harrison v Alejandro Tabilo [100] | 1-6,4-6 | |
| ATP - Houston | 04/03 16:00 | 19 | Ryan Harrison v Christian Harrison | 7-5,4-6,4-6 |
Wikipedia - Christian Harrison
Christian Harrison (born May 29, 1994) is an American professional tennis player. He has a career-high ranking of world No. 198 achieved on 2 July 2018 and a doubles ranking of world No. 145 achieved on 15 January 2024.