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Singles
2020 Koblenz Open
Final
Champion	Tomáš Macháč
Runner-up	Botic van de Zandschulp
Score	6–3, 4–6, 6–3
Events
Singles Doubles
← 2019 · Koblenz Open · 2023 →

Gianluca Mager was the defending champion but chose not to defend his title.

Tomáš Macháč won the title after defeating Botic van de Zandschulp 6–3, 4–6, 6–3 in the final.

Seeds

All seeds receive a bye into the second round.

1. Yannick Maden (quarterfinals)
2. Yannick Hanfmann (quarterfinals)
3. Tallon Griekspoor (third round)
4. Oscar Otte (second round)
5. Maxime Janvier (second round)
6. Botic van de Zandschulp (final)
7. Quentin Halys (third round)
8. Mats Moraing (second round)
9. Julian Lenz (second round)
10. Dustin Brown (third round)
11. Nicola Kuhn (semifinals)
12. Ruben Bemelmans (semifinals)
13. Daniel Masur (quarterfinals)
14. Teymuraz Gabashvili (second round)
15. Lucas Miedler (second round)
16. Pavel Kotov (second 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

	Quarterfinals							Semifinals							Final
	1	Yannick Maden	6	4	4
	6	Botic van de Zandschulp	4	6	6
								6	Botic van de Zandschulp	6	3	6
								11	Nicola Kuhn	4	6	2
	13	Daniel Masur	7	6	2
	11	Nicola Kuhn	5	7	6
															6	Botic van de Zandschulp	3	6	3
																Tomáš Macháč	6	4	6
		Dimitar Kuzmanov	4	4
		Tomáš Macháč	6	6
									Tomáš Macháč	6	6
								12	Ruben Bemelmans	2	4
	12	Ruben Bemelmans	6	6
	2	Yannick Hanfmann	3	2

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	Y Maden	3	7	6
	WC	L Wessels	6	6				WC	L Wessels	6	6	3
		Peter Heller	3	2											1	Y Maden	6	6
	LL	E Kırkın	4	6	6										LL	E Kırkın	3	0
		B Hassan	6	1	4			LL	E Kırkın	6	6	7
								16	P Kotov	4	7	5
																						1	Y Maden	6	4	4
																						6	B van de Zandschulp	4	6	6
								9	J Lenz	1	3
		M Marterer	6	7					M Marterer	6	6
		E Struvay	3	6												M Marterer	4	2
		K Żuk	6	3	6										6	B van de Zandschulp	6	6
		I Sijsling	4	6	7				I Sijsling
								6	B van de Zandschulp	w/o

Section 2

	First round							Second round							Third round							Quarterfinals
								3	T Griekspoor	6	2	7
		E Dalla Valle	1	4				Q	L Gerch	4	6	6
	Q	Lucas Gerch	6	6											3	T Griekspoor	7	3	1
		V Šafránek	6	6											13	D Masur	5	6	6
		Christopher Heyman	4	2					V Šafránek	7	6	2
								13	D Masur	5	7	6
																						13	D Masur	7	6	2
																						11	N Kuhn	5	7	6
								11	N Kuhn	6	6
		A Bega	6	6					A Bega	3	2
		E Leshem	1	2											11	N Kuhn	6	7
		M Bašić	6	6												M Bašić	4	6
		Y Mertens	3	1					M Bašić	6	6
								8	M Moraing	4	4

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								5	M Janvier	4	5
		D Kuzmanov	6	6					D Kuzmanov	6	7
		V Orlov	2	1												D Kuzmanov	4	6	6
		U Ignatik	6	6											10	D Brown	6	3	4
	WC	Nino Ehrenschneider	1	1					U Ignatik	4	4
								10	D Brown	6	6
																							D Kuzmanov	4	4
																							T Macháč	6	6
								14	T Gabashvili	0	3
	WC	Leopold Zima	2	2					T Macháč	6	6
		T Macháč	6	6												T Macháč	6	6
	WC	M Gengel	4	3												V Kopřiva	3	3
		V Kopřiva	6	6					V Kopřiva	6	7
								4	O Otte	4	6

Section 4

	First round							Second round							Third round							Quarterfinals
								7	Q Halys	7	6
	WC	M Welte	6	4	6			WC	M Welte	5	2
		A Pavlásek	1	6	4										7	Q Halys	2	4
		D Added	5	4											12	R Bemelmans	6	6
		A Dubrivnyy	7	6					A Dubrivnyy	3	1
								12	R Bemelmans	6	6
																						12	R Bemelmans	6	6
																						2	Y Hanfmann	3	2
								15	L Miedler	6	4
	Q	S Mukund	6	6				Q	S Mukund	7	6
		FC Jianu	3	2											Q	S Mukund	5	4
		M Eriksson	2	2											2	Y Hanfmann	7	6
		M Vrbenský	6	6					M Vrbenský	7	4	6
								2	Y Hanfmann	6	6	7

References

1. "Gianluca Mager tops Roberto Ortega-Olmedo for Koblenz Challenger crown". Tennis World USA.

External links

• Main draw
• Qualifying draw

• 2020 ATP Challenger Tour
• Koblenz Open