Men's singles
2019 Sydney International
Final
Champion	Alex de Minaur
Runner-up	Andreas Seppi
Score	7–5, 7–6(7–5)
Details
Draw	28 (4 Q / 3 WC )
Seeds	8
Events
Singles men women Doubles men women
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This article's lead section may be too short to adequately summarize the key points. Please consider expanding the lead to provide an accessible overview of all important aspects of the article. (July 2019)

Daniil Medvedev was the defending champion, but withdrew before his first match.^[1][2]

Alex de Minaur won his first ATP Tour title, defeating Andreas Seppi in the final, 7–5, 7–6^(7–5).^[3]

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

^[4]

	Semifinals							Final
	8	Andreas Seppi	77	6
	3	Diego Schwartzman	63	4
								8	Andreas Seppi	5	65
								5	Alex de Minaur	7	77
	4	Gilles Simon	3	2
	5	Alex de Minaur	6	6

	First round							Second round							Quarterfinals							Semifinals
								1	S Tsitsipas	6	6
		M Ebden	6	3	4			LL	G Andreozzi	3	4
	LL	G Andreozzi	3	6	6										1	S Tsitsipas	6	4	4
		M Kližan	77	4	77										8	A Seppi	4	6	6
	WC	A Popyrin	64	6	65				M Kližan	62	2
		J Chardy	5	6	4			8	A Seppi	77	6
	8	A Seppi	7	2	6																	8	A Seppi	77	6
																						3	D Schwartzman	63	4
								3	D Schwartzman	6	6
		D Kudla	5	4				Q	G García López	2	3
	Q	G García López	7	6											3	D Schwartzman	6	3	77
		R Harrison	4	2											Q	Y Nishioka	1	6	61
	Q	Y Nishioka	6	6				Q	Y Nishioka	6	6
	Q	A Rublev	6	6				Q	A Rublev	3	1
	6	L Pouille	2	3

	First round							Second round							Quarterfinals							Semifinals
	7	M Fucsovics	3	6	6
	WC	J Duckworth	6	3	4			7	M Fucsovics	3	4
		J Millman	4	77	7				J Millman	6	6
		F Tiafoe	6	65	5											J Millman	5	6	63
		M Jaziri	1	1r											4	G Simon	7	3	77
		S Querrey	6	4					S Querrey	65	78	4
								4	G Simon	77	66	6
																						4	G Simon	3	2
	5	A de Minaur	6	6																		5	A de Minaur	6	6
		D Lajović	4	3				5	A de Minaur	6	77
	Q	R Opelka	6	6				Q	R Opelka	4	65
		A Ramos Viñolas	3	4											5	A de Minaur	77	6
	WC	J Thompson	6	6											WC	J Thompson	64	3
		A Mannarino	3	3				WC	J Thompson	3	77	6
								LL	T Daniel	6	65	0

	First round							Qualifying competition
	1	Aljaž Bedene	7	4	64
		Guillermo García López	5	6	77
									Guillermo García López	77	6
								WC	Alex Bolt	63	3
	WC	Alex Bolt	3	7	6
	6	Jaume Munar	6	5	3

	First round							Qualifying competition
	2	Andrey Rublev	6	6
		Evgeny Donskoy	1	4
								2	Andrey Rublev	7	6
								5	Guido Andreozzi	5	2
	WC	Christopher O'Connell	6	4	3
	5	Guido Andreozzi	4	6	6

	First round							Qualifying competition
	3	Yoshihito Nishioka	5	6	6
		Jason Kubler	7	1	3
								3	Yoshihito Nishioka	6	7
								8	Cristian Garín	3	5
		Pedro Sousa	3	3
	8	Cristian Garín	6	6

	First round							Qualifying competition
	4	Taro Daniel	6	7
		Lukáš Rosol	4	5
								4	Taro Daniel	77	4	4
									Reilly Opelka	65	6	6
		Reilly Opelka	6	7
	7	Pablo Andújar	1	5

• Main Draw
• Qualifying Draw