2020 Tennis Challenger Hamburg – Doubles

James Cerretani and Maxime Cressy were the defending champions^[1] but chose to compete with different partners. Cerretani partnered Dustin Brown but lost in the semifinals to Lloyd Glasspool and Alex Lawson. Cressy partnered Albano Olivetti but lost in the first round to Marc-Andrea Hüsler and Kamil Majchrzak.

Doubles
2020 Tennis Challenger Hamburg
Champions	Marc-Andrea Hüsler Kamil Majchrzak
Runners-up	Lloyd Glasspool Alex Lawson
Score	6–3, 1–6, [20–18]

Main article: 2020 Tennis Challenger Hamburg

Hüsler and Majchrzak won the title after defeating Glasspool and Lawson 6–3, 1–6, [20–18] in the final.

Seeds

1. Andre Begemann / David Pel (quarterfinals)
2. Sriram Balaji / Luca Margaroli (quarterfinals)
3. André Göransson / Jan Zieliński (semifinals, withdrew)
4. Lloyd Glasspool / Alex Lawson (final)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

	First round							Quarterfinals							Semifinals							Final
	1	A Begemann D Pel	6	7
	WC	M Möller Max Wiskandt	2	5				1	A Begemann D Pel	62	3
		M Cressy A Olivetti	77	4	[4]				M-A Hüsler K Majchrzak	77	6
		M-A Hüsler K Majchrzak	62	6	[10]											M-A Hüsler K Majchrzak	w/o
	3	A Göransson J Zieliński	63	7	[10]										3	A Göransson J Zieliński
		S Doumbia F Reboul	77	5	[3]			3	A Göransson J Zieliński	w/o
		M Torpegaard J. J. Wolf	3	6	[9]				H Gaston A Rinderknech
		H Gaston A Rinderknech	6	4	[11]																		M-A Hüsler K Majchrzak	6	1	[20]
	WC	B Sanchez Martinez C-M Stebe	6	3	[10]																	4	L Glasspool A Lawson	3	6	[18]
	WC	Fabien Fallert M Rosenkranz	2	6	[7]			WC	B Sanchez Martinez C-M Stebe	1	3
		J Lenz Y Maden	3	2				4	L Glasspool A Lawson	6	6
	4	L Glasspool A Lawson	6	6											4	L Glasspool A Lawson	7	6
	PR	D Brown J Cerretani	77	6											PR	D Brown J Cerretani	5	3
		B Schnur J Withrow	65	3				PR	D Brown J Cerretani	6	6
	Alt	I Marchenko R Safiullin	1	64				2	S Balaji L Margaroli	4	4
	2	S Balaji L Margaroli	6	77