Men's singles
2018 Sydney International
Final
Champion	Daniil Medvedev
Runner-up	Alex de Minaur
Score	1–6, 6–4, 7–5
Details
Draw	28 (4 Q / 3 WC )
Seeds	8
Events
Singles men women Doubles men women
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Gilles Müller was the defending champion, but lost in the quarterfinals to Benoît Paire.

Daniil Medvedev won his first ATP title, defeating Alex de Minaur in the final, 1–6, 6–4, 7–5.

The top four seeds receive a bye into the second round.

	Semifinals							Final
	Q	Daniil Medvedev	2	6	6
	4	Fabio Fognini	6	4	1
								Q	Daniil Medvedev	1	6	7
								SE	Alex de Minaur	6	4	5
	SE	Alex de Minaur	4	6	6
		Benoît Paire	6	1	1

	First round							Second round							Quarterfinals							Semifinals
								1	A Ramos Viñolas	3	5
		P Lorenzi	77	6					P Lorenzi	6	7
	WC	J Thompson	65	4												P Lorenzi	3	3
	SE	G Simon	1	4											Q	D Medvedev	6	6
		J Donaldson	6	6					J Donaldson	3	6	5
	Q	D Medvedev	6	6				Q	D Medvedev	6	4	7
	6	P Kohlschreiber	2	3																		Q	D Medvedev	2	6	6
																						4	F Fognini	6	4	1
								4	F Fognini	3	6	6
		A Dolgopolov	6	66	7				A Dolgopolov	6	3	4
		V Troicki	3	78	5										4	F Fognini	64	77	6
	WC	A Bolt	7	5	4										5	A Mannarino	77	64	2
	LL	R Berankis	5	7	6			LL	R Berankis	2	1
	Q	E Donskoy	7	5	4			5	A Mannarino	6	6
	5	A Mannarino	5	7	6

	First round							Second round							Quarterfinals							Semifinals
	7	D Džumhur	6	6
		J-L Struff	1	4				7	D Džumhur	2	0r
	SE	A de Minaur	6	6				SE	A de Minaur	6	3
		F Verdasco	4	2											SE	A de Minaur	6	6
	Q	A Vukic	6	65	3											F López	4	4
		F López	4	77	6				F López	6	77
								3	D Schwartzman	3	61
																						SE	A de Minaur	4	6	6
	8	M Zverev	5	3																			B Paire	6	1	1
		L Mayer	7	6					L Mayer	2	6	1
		A Bedene	6	65	3				B Paire	6	3	6
		B Paire	1	77	6											B Paire	6	6
	Q	A Popyrin	64	0											2	G Müller	4	4
	WC	J Millman	77	6				WC	J Millman	65	4
								2	G Müller	77	6

	First round							Qualifying competition
	1	Daniil Medvedev	6	6
		Alexander Zhurbin	1	2
								1	Daniil Medvedev	6	6
								7	Václav Šafránek	2	4
	Alt	Fabrice Martin	1	2
	7	Václav Šafránek	6	6

	First round							Qualifying competition
	2	Federico Delbonis	6	3	3
	WC	Alexei Popyrin	4	6	6
								WC	Alexei Popyrin	4	77	6
								5	Nicolas Mahut	6	64	4
	WC	Christopher O'Connell	6	4	4
	5	Nicolas Mahut	2	6	6

	First round							Qualifying competition
	3	Evgeny Donskoy	6	6
	Alt	Nicholas Monroe	3	4
								3	Evgeny Donskoy	6
								8	Teymuraz Gabashvili	5r
		Vladimir Polyakov
	8	Teymuraz Gabashvili	w/o

	First round							Qualifying competition
	4	Dušan Lajović	5	65
		Aleksandar Vukic	7	77
									Aleksandar Vukic	7	6
								6	Ričardas Berankis	5	2
		Matthew Barton	5	3
	6	Ričardas Berankis	7	6

• Main Draw
• Qualifying Draw