2026 Adelaide International – Men's singles

Men's singles
2026 Adelaide International
Champion	Tomáš Macháč
Runner-up	Ugo Humbert
Score	6–4, 6–7(2–7), 6–2
Draw	28 (4 Q / 3 WC )
Seeds	8

Tomáš Macháč defeated Ugo Humbert the final, 6–4, 6–7^(2–7), 6–2 to win the men's singles tennis title at the 2026 Adelaide International.^[1] It was his second ATP Tour title.^[2]

Félix Auger-Aliassime was the reigning champion,^[3][4] but did not participate this year.

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

Key

	Semifinals							Final
	1	Alejandro Davidovich Fokina	3	7	64
		Ugo Humbert	6	5	77
									Ugo Humbert	4	77	2
								8	Tomáš Macháč	6	62	6
	8	Tomáš Macháč	2	6	6
	2	Tommy Paul	6	3	3

	First round							Second round							Quarterfinals							Semifinals
								1	A Davidovich Fokina	6	6
	WC	T Schoolkate	4	4				WC	R Hijikata	3	2
	WC	R Hijikata	6	6											1	A Davidovich Fokina	77	6
	WC	T Kokkinakis	3	6	77										5	V Vacherot	64	2
		S Korda	6	3	63			WC	T Kokkinakis
		M Kecmanović	65	4				5	V Vacherot	w/o
	5	V Vacherot	77	6																		1	A Davidovich Fokina	3	7	64
																							U Humbert	6	5	77
								4	T Griekspoor	4	1
		U Humbert	6	77					U Humbert	6	6
		T Atmane	3	63												U Humbert	6	6
		E Quinn	4	4											Q	A Shevchenko	0	3
		M Fucsovics	6	6					M Fucsovics	3	66
		D Džumhur	6	4	5			Q	A Shevchenko	6	78
	Q	A Shevchenko	4	6	7

	First round							Second round							Quarterfinals							Semifinals
	8	T Macháč	6	6
	WC	J Duckworth	3	3				8	T Macháč	6	6
	LL	J Fearnley	3	4				Q	Q Halys	4	2
	Q	Q Halys	6	6											8	T Macháč	6	6
		D Altmaier	3	0												J Munar	4	4
		J Munar	6	6					J Munar	3	7	6
								3	F Cerúndolo	6	5	4
																						8	T Macháč	2	6	6
	7	S Tsitsipas	63	65																		2	T Paul	6	3	3
	Q	A Vukic	77	77				Q	A Vukic	6	77
	Q	A Vavassori	6	77				Q	A Vavassori	2	65
		G Diallo	3	64											Q	A Vukic	3	2
		R Opelka	6	78											2	T Paul	6	6
		A Popyrin	3	66					R Opelka	4	4
								2	T Paul	6	6

	First round							Qualifying competition
	1	Jesper de Jong	6	1	3
		Thiago Agustín Tirante	3	6	6
									Thiago Agustín Tirante	2	3
								Alt	Andrea Vavassori	6	6
	Alt	Andrea Vavassori	6	77
	5	Raphaël Collignon	3	65

	First round							Qualifying competition
	2	Jacob Fearnley	77	77
	Alt	Christopher O'Connell	64	64
								2	Jacob Fearnley	4	79	3
								6	Aleksandar Vukic	6	67	6
		Luca Nardi	77	3	2
	6	Aleksandar Vukic	64	6	6

	First round							Qualifying competition
	3	Adam Walton	6	3	77
	WC	Jake Delaney	2	6	62
								3	Adam Walton	2	69
								7	Quentin Halys	6	711
		Benjamin Bonzi	3	4
	7	Quentin Halys	6	6

	First round							Qualifying competition
	4	Filip Misolic	7	6
	WC	Daniel Jovanovski	5	4
								4	Filip Misolic	5	3
									Alexander Shevchenko	7	6
		Alexander Shevchenko	6	6
	8	Carlos Taberner	3	2

• Main draw
• Qualifying draw