Doubles
2021 Singapore Tennis Open
Champions	Sander Gillé Joran Vliegen
Runners-up	Matthew Ebden John-Patrick Smith
Score	6–2, 6–3

The Singapore Tennis Open was a new addition to the ATP Tour in 2021.

Sander Gillé and Joran Vliegen won the title, defeating Matthew Ebden and John-Patrick Smith in the final, 6–2, 6–3.

Seeds

Draw

Draw

	First round							Quarterfinals							Semifinals							Final
	1	S Gillé J Vliegen	77	6
		E King H Reese	63	3				1	S Gillé J Vliegen	6	77
		S-w Kwon Y Uchiyama							P Raja R Ramanathan	4	63
		P Raja R Ramanathan	w/o												1	S Gillé J Vliegen	6	6
	3	L Bambridge D Inglot	6	6											3	L Bambridge D Inglot	4	4
		Y Hanfmann J Millman	3	3				3	L Bambridge D Inglot	77	77
	WC	J Cerretani A Shamasdin	6	7				WC	J Cerretani A Shamasdin	64	61
		A Bublik M Polmans	1	5																		1	S Gillé J Vliegen	6	6
		R Galloway A Lawson	7	6																		4	M Ebden J-P Smith	2	3
		T Daniel J Jung	5	3					R Galloway A Lawson	4	6	[5]
	Alt	T-S Kwiatkowski C Eubanks	4	2				4	M Ebden J-P Smith	6	3	[10]
	4	M Ebden J-P Smith	6	6											4	M Ebden J-P Smith	6	6
	WC	S Alam R Hobbs	5	1												LD Martínez D Vega Hernández	4	4
		S Balaji L Margaroli	7	6					S Balaji L Margaroli	4	6	[10]
		LD Martínez D Vega Hernández	6	6					LD Martínez D Vega Hernández	6	2	[12]
	2	R Bopanna B McLachlan	4	2

References

• Main draw