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

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.