Singles
2018 Canberra Challenger
Final
Champion	Andreas Seppi
Runner-up	Márton Fucsovics
Score	5–7, 6–4, 6–3
Events
Singles Doubles
← 2017 · Canberra Challenger · 2019 →

Dudi Sela was the defending champion but lost in the first round to Hugo Grenier.

Andreas Seppi won the title after defeating Márton Fucsovics 5–7, 6–4, 6–3 in the final.

	Semifinals							Final
	6	Márton Fucsovics	6	4	6
		Maxime Janvier	3	6	2
								6	Márton Fucsovics	7	4	3
								7	Andreas Seppi	5	6	6
	7	Andreas Seppi	6	6
	5	Víctor Estrella Burgos	2	2

	First round							Second round							Quarterfinals							Semifinals
	1	D Sela	66	1
		H Grenier	78	6					H Grenier	7	3	77
		A Harris	6	6					A Harris	5	6	63
	WC	Gavin van Peperzeel	2	1												H Grenier	4	4
	Q	H Bourchier	2	4											6	M Fucsovics	6	6
		Z Li	6	6					Z Li	1	2
		M Jaziri	2	1r				6	M Fucsovics	6	6
	6	M Fucsovics	6	5																		6	M Fucsovics	6	4	6
	4	M Kukushkin	62	0r																			M Janvier	3	6	2
	Q	J Beale	77	0				Q	J Beale	7	3	4
		N Kicker	4	5					E Benchetrit	5	6	6
		E Benchetrit	6	7												E Benchetrit	4	2
		N Jarry	77	6												M Janvier	6	6
		C Moutet	64	3					N Jarry	2	6	65
		M Janvier	3	7	6				M Janvier	6	2	77
	8	L Đere	6	5	2

	First round							Second round							Quarterfinals							Semifinals
	7	A Seppi	3	6	79
		M Marterer	6	3	67			7	A Seppi	6	6
	Q	N Pasha	6	2	77			Q	N Pasha	2	4
	Q	T Fancutt	4	6	62										7	A Seppi	6	6
	WC	Alexander Crnokrak	1	2											3	G García López	3	4
		G Blancaneaux	6	6					G Blancaneaux	5	4
		S Bangoura	3	4				3	G García López	7	6
	3	G García López	6	6																		7	A Seppi	6	6
	5	V Estrella Burgos	6	6																		5	V Estrella Burgos	2	2
		L Saville	3	3				5	V Estrella Burgos	w/o
		T Pütz	5	77	6				T Pütz
		S-w Kwon	7	61	4										5	V Estrella Burgos	77	0	6
	WC	D Propoggia	6	3	1										2	F Mayer	64	6	3
	WC	B Mitchell	3	6	6			WC	B Mitchell	4	66
		Yo Watanuki	7	1	4			2	F Mayer	6	78
	2	F Mayer	5	6	6

• Main Draw
• Qualifying Draw