2020 Slovak Open – Singles

Dennis Novak was the defending champion^[1] but chose not to defend his title.

Singles
2020 Slovak Open
Champion	Maximilian Marterer
Runner-up	Tomáš Macháč
Score	6–7(3–7), 6–2, 7–5

Main article: 2020 Slovak Open

Maximilian Marterer won the title after defeating Tomáš Macháč 6–7^(3–7), 6–2, 7–5 in the final.

Seeds

1. Emil Ruusuvuori (quarterfinals)
2. Yasutaka Uchiyama (first round)
3. Kamil Majchrzak (second round)
4. Antoine Hoang (semifinals)
5. Henri Laaksonen (first round)
6. Nikola Milojević (second round)
7. Federico Gaio (first round)
8. Lorenzo Giustino (second round)

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

Finals

	Semifinals							Final
	WC	Lukáš Klein	65	2
	Q	Tomáš Macháč	77	6
								Q	Tomáš Macháč	77	2	5
								PR	Maximilian Marterer	63	6	7
	4	Antoine Hoang	3	4
	PR	Maximilian Marterer	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	E Ruusuvuori	6	6
		S Diez	3	3				1	E Ruusuvuori	6	6
		A Rinderknech	6	65	7				A Rinderknech	1	4
		L Broady	4	77	5										1	E Ruusuvuori	4	5
		F Horanský	4	4											WC	L Klein	6	7
	WC	L Klein	6	6				WC	L Klein	6	6
		Y Maden	5	6	4			8	L Giustino	4	3
	8	L Giustino	7	3	6																	WC	L Klein	65	2
	3	K Majchrzak	6	6																		Q	T Macháč	77	6
	WC	A Molčan	2	1				3	K Majchrzak	5	77	1
	Q	B Schnur	4	4				Q	T Macháč	7	65	6
	Q	T Macháč	6	6											Q	T Macháč	6	6
	WC	J Lehečka	6	4	65										Alt	M Viola	2	4
	Alt	M Viola	2	6	77			Alt	M Viola	77	4	6
	SE	A Arnaboldi	5	64				6	N Milojević	65	6	3
	6	N Milojević	7	77

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	H Laaksonen	3	6	3
		B van de Zandschulp	6	3	6				B van de Zandschulp	60	78	1
	Q	M Bourgue	77	6				Q	M Bourgue	77	66	6
		S Ofner	64	1											Q	M Bourgue
		M Cressy	6	4	64										4	A Hoang	w/o
		R Marcora	2	6	77				R Marcora	3	4
	SE	Q Halys	3	3				4	A Hoang	6	6
	4	A Hoang	6	6																		4	A Hoang	3	4
	7	F Gaio	3	4																		PR	M Marterer	6	6
		R Safiullin	6	6					R Safiullin	6	4	4
		L Lacko	5	66					S Stakhovsky	4	6	6
		S Stakhovsky	7	78												S Stakhovsky
	Q	J Lenz	5	4											PR	M Marterer	w/o
	PR	M Marterer	7	6				PR	M Marterer	77	6
		B Rola	78	6					B Rola	64	2
	2	Y Uchiyama	66	4