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Harrison at the 2018 Wimbledon Championships Qualifying
|Country (sports)||United States|
|Residence||Bradenton, Florida, USA|
|Born||May 29, 1994|
Shreveport, Louisiana, USA
|Height||1.78 m (5 ft 10 in)|
|Highest ranking||No. 198 (July 2, 2018)|
|Current ranking||No. 208 (July 16, 2018)|
|Grand Slam Singles results|
|Australian Open||Q1 (2019)|
|US Open||1R (2016)|
|Highest ranking||No. 162 (August 26, 2013)|
|Current ranking||No. 366 (July 2, 2018)|
|Grand Slam Doubles results|
|US Open||QF (2012)|
|Grand Slam Mixed Doubles results|
|US Open||SF (2018)|
|Last updated on: September 11, 2017.|
He was awarded a wild card into the 2012 US Open, where he played doubles alongside his brother and they made it into the quarterfinals.
He played his first grandslam in singles at 2016 US Open as qualifier.
Christian was coached by his father, Pat Harrison, and attended the IMG Academy in Bradenton, Florida.
In July, Christian made it to the quarterfinals of the Lexington, Kentucky Challenger event. Christian joined Ryan to play doubles at the 2012 US Open, where they reached the quarterfinals.
Earlier in the year he reached the quarterfinals, semifinals, the final, and won, respectively, the four Futures events in which he participated. He failed to qualify in Indian Wells, losing in the first round of qualifying to Ernests Gulbis, who made a deep run to the fourth round after qualifying. However, he did take a set off Gulbis. Harrison won his first ATP World Tour match against Alejandro Falla at the BB&T Atlanta Open. He then lost in the next round to John Isner in three tight sets.
Harrison spent 2014 and 2015 recovering from several surgeries.
Harrison reached the final round of qualifying at the 2016 US Open after beating Luke Saville and second seed Konstantin Kravchuk in two three-set matches. He made it into main draw after beating Steven Diez also in three-set match. He was one set down at all three matches in qualifying. He lost in the first round to Paul-Henri Mathieu in straight sets.
|Loss||0-1||Jan 2013||Great Britain F2, Preston||Futures||Hard (i)||Edward Corrie||6-2, 3-6, 5-7|
|Win||1-1||Feb 2013||Great Britain F3, Sheffield||Futures||Hard (i)||Edward Corrie||6-4, 2-6, 7-6(7-5)|
|Loss||1-2||May 2013||USA F13, Tampa||Futures||Clay||Austin Krajicek||Walkover|
|Win||2-2||Aug 2016||USA F27, Champaign||Futures||Hard||Rhyne Williams||6-7(2-7), 6-3, 6-4|
|Win||3-2||Jul 2017||USA F21, Tulsa||Futures||Hard||Tommy Paul||3-6, 6-2, 6-1|
|Win||4-2||Jul 2017||USA F23, Wichita||Futures||Hard||Michael Mmoh||1-6, 6-2, 7-5|
|Loss||4-3||May 2018||Savannah Challenger, Savannah||Challenger||Clay||Hugo Dellien||1-6, 6-1, 4-6|
|Loss||0-1||Jun 2013||Fürth, Germany||Challenger||Clay||Michael Venus|| Colin Ebelthite