2025 ATP Hong Kong Tennis Open – Singles

Alexandre Müller defeated Kei Nishikori in the final, 2–6, 6–1, 6–3 to win the singles tennis title at the 2025 ATP Hong Kong Tennis Open. It was his first ATP Tour singles title. Müller became the second player to win an ATP Tour title after losing the first set in each of his matches, after Alexander Bublik at the 2024 Open Sud de France.

Singles
2025 ATP Hong Kong Tennis Open
Champion	Alexandre Müller
Runner-up	Kei Nishikori
Score	2–6, 6–1, 6–3
Draw	28 (4 Q / 3 WC )
Seeds	8

Main article: 2025 ATP Hong Kong Tennis Open

Andrey Rublev was the defending champion, but lost in the second round to Fábián Marozsán.

Seeds

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

1. Andrey Rublev (second round)
2. Lorenzo Musetti (quarterfinals)
3. Karen Khachanov (second round)
4. Arthur Fils (quarterfinals)
5. Nuno Borges (second round)
6. Brandon Nakashima (first round)
7. Pedro Martínez (second round)
8. Luciano Darderi (first round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
		Shang Juncheng	3r
	WC	Kei Nishikori	4
								WC	Kei Nishikori	6	1	3
									Alexandre Müller	2	6	6
		Alexandre Müller	4	77	6
		Jaume Munar	6	65	4

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	A Rublev	5	6	3
		R Safiullin	1	69					F Marozsán	7	3	6
		F Marozsán	6	711												F Marozsán	6	3	4
		J Shang	77	6												J Shang	1	6	6
	WC	C Wong	63	4					J Shang	6	6
	Q	F Passaro	4	4				7	P Martínez	3	1
	7	P Martínez	6	6																			J Shang	3r
																						WC	K Nishikori	4
								3	K Khachanov	6	3	5
		D Shapovalov	2	3				WC	K Nishikori	4	6	7
	WC	K Nishikori	6	6											WC	K Nishikori	6	3	6
		C Norrie	6	7												C Norrie	3	6	2
		L Tien	3	5					C Norrie	6	4	6
		L Sonego	77	6					L Sonego	2	6	1
	6	B Nakashima	64	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	L Darderi	3	3
		M Kecmanović	6	6					M Kecmanović	7	66	610
		A Müller	2	6	6				A Müller	5	78	712
	Q	M-A Hüsler	6	4	3											A Müller	3	6	6
	WC	Z Bergs	6	6											4	A Fils	6	3	1
	Q	A Moro Cañas	4	4				WC	Z Bergs	67	4
								4	A Fils	79	6
																							A Müller	4	77	6
	5	N Borges	3	6	78																		J Munar	6	65	4
		Y Bu	6	3	66			5	N Borges	3	5
		J Munar	4	6	6				J Munar	6	7
		A Davidovich Fokina	6	3	3											J Munar	2	77	7
	Q	G Diallo	4	77	7										2	L Musetti	6	64	5
		R Carballés Baena	6	64	5			Q	G Diallo	4	3
								2	L Musetti	6	6

Qualifying

Seeds

1. Pavel Kotov (qualifying competition)
2. Gabriel Diallo (qualified)
3. Daniel Altmaier (first round)
4. Francesco Passaro (qualified)
5. Laslo Djere (first round)
6. Juan Manuel Cerúndolo (first round)
7. Cristian Garín (first round)
8. Hugo Grenier (qualifying competition)

Qualifiers

1. Marc-Andrea Hüsler
2. Gabriel Diallo
3. Alejandro Moro Cañas
4. Francesco Passaro

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Pavel Kotov	3	7	77
		Valentin Royer	6	5	65
								1	Pavel Kotov	67	4
									Marc-Andrea Hüsler	79	6
		Marc-Andrea Hüsler	7	6
	5	Laslo Djere	5	4

Second qualifier

	First round							Qualifying competition
	2	Gabriel Diallo	77	6
	WC	Ng Ki-lung	62	2
								2	Gabriel Diallo	4	6	7
								8	Hugo Grenier	6	1	5
		Térence Atmane	6	3	4
	8	Hugo Grenier	3	6	6

Third qualifier

	First round							Qualifying competition
	3	Daniel Altmaier	4	3
		Alejandro Moro Cañas	6	6
									Alejandro Moro Cañas	6	6
								WC	Cui Jie	2	3
	WC	Cui Jie	6	6
	6	Juan Manuel Cerúndolo	2	4

Fourth qualifier

	First round							Qualifying competition
	4	Francesco Passaro	7	4	6
		Aziz Dougaz	5	6	3
								4	Francesco Passaro	4	6	6
									Denis Yevseyev	6	2	4
		Denis Yevseyev	6	2	6
	7	Cristian Garín	4	6	2

External links

• Main draw
• Qualifying draw