Christian Harrison

2012

In July, Christian made it to the quarterfinals of the Lexington, Kentucky Challenger event.^[1] Christian joined Ryan to play doubles at the 2012 US Open, where they reached the quarterfinals.

2013

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.

2014–15

Harrison spent 2014 and 2015 recovering from several surgeries.

2016

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.

Singles: 6 (4 titles, 3 runner-ups)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
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

Doubles: 1 (1 runner-up)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Jun 2013	Fürth, Germany	Challenger	Clay	Michael Venus	Colin Ebelthite Rameez Junaid	4–6, 5–7