2017 Australian Open Series

Viktor Troicki was the two-time defending champion, but lost in the semifinals to Gilles Müller.

Müller went on to win his first ATP title, defeating Daniel Evans in the final, 7–6^(7–5), 6–2.

	Semifinals							Final
		Daniel Evans	6	3	6
		Andrey Kuznetsov	2	6	3
									Daniel Evans	65	2
								6	Gilles Müller	77	6
	3	Viktor Troicki	3	66
	6	Gilles Müller	6	78

	Semifinals							Final
	6	Johanna Konta	6	6
	WC	Eugenie Bouchard	2	2
								6	Johanna Konta	6	6
								2	Agnieszka Radwańska	4	2
		Barbora Strýcová	1	2
	2	Agnieszka Radwańska	6	6

Alizé Cornet was the defending champion, but withdrew before the tournament began due to a back injury.

Elise Mertens won her first WTA singles title, defeating Monica Niculescu in the final, 6–3, 6–1. Mertens had come through the qualifying tournament and thus became only the third qualifier to win the Hobart International, following Mona Barthel in 2012 and Garbiñe Muguruza in 2014.

	Semifinals							Final
	Q	Elise Mertens	6	6
	Q	Jana Fett	4	0
								Q	Elise Mertens	6	6
								3	Monica Niculescu	3	1
	3	Monica Niculescu	w/o
		Lesia Tsurenko

Novak Djokovic was the two-time defending champion, but lost in the second round to the 117th ranked Denis Istomin from Uzbekistan.^[1]

Roger Federer won his fifth Australian Open title, and 18th Major title overall, defeating Rafael Nadal in the final in five sets. With the win, Federer became the first male player to win at least five titles at three Grand Slam tournaments (five at the Australian Open, seven at Wimbledon and five at the US Open).

This was the first Grand Slam tournament in which Andy Murray started as World No. 1 and top seed. Murray retained the top ranking despite losing to Mischa Zverev in the fourth round.

	Quarterfinals									Semifinals									Final
		Mischa Zverev	1	5	2
	17	Roger Federer	6	7	6
										17	Roger Federer	7	6	1	4	6
										4	Stan Wawrinka	5	3	6	6	3
	4	Stan Wawrinka	77	6	6
	12	Jo-Wilfried Tsonga	62	4	3
																			17	Roger Federer (details)	6	3	6	3	6
																			9	Rafael Nadal	4	6	1	6	3
	9	Rafael Nadal	6	79	6
	3	Milos Raonic	4	67	4
										9	Rafael Nadal	6	5	77	64	6
										15	Grigor Dimitrov	3	7	65	77	4
	11	David Goffin	3	2	4
	15	Grigor Dimitrov	6	6	6

Angelique Kerber was the defending champion, but lost in the fourth round to Coco Vandeweghe.

Serena Williams won the title, her 7th Australian title overall and first Australian Open where she did not lose a set during the tournament. She also regained the No. 1 ranking, defeating her sister Venus Williams in the final, 6–4, 6–4. This marks the first time the Williams sisters met in a Grand Slam final since the 2009 Wimbledon Championships and the first time they met in the Australian Open final since 2003.^[2]

Serena's victory was her 23rd Grand Slam title in singles, surpassing Steffi Graf as the all-time leader in Grand Slam titles in the Open era.^[3]

	Quarterfinals							Semifinals							Final
		Coco Vandeweghe	6	6
	7	Garbiñe Muguruza	4	0
									Coco Vandeweghe	77	2	3
								13	Venus Williams	63	6	6
	13	Venus Williams	6	77
	24	Anastasia Pavlyuchenkova	4	63
															13	Venus Williams	4	4
															2	Serena Williams	6	6
	5	Karolína Plíšková	4	6	4
		Mirjana Lučić-Baroni	6	3	6
									Mirjana Lučić-Baroni	2	1
								2	Serena Williams	6	6
	9	Johanna Konta	2	3
	2	Serena Williams	6	6