2020 I.ČLTK Prague Open – Singles

Mario Vilella Martínez was the defending champion^[1] but chose not to compete this year.

Singles
2020 I.ČLTK Prague Open
Champion	Stan Wawrinka
Runner-up	Aslan Karatsev
Score	7–6(7–2), 6–4

Main article: 2020 I.ČLTK Prague Open

Stan Wawrinka won the title after defeating Aslan Karatsev 7–6^(7–2), 6–4 in the final.

Seeds

All seeds receive a bye into the second round.

1. Stan Wawrinka (champion)
2. Jiří Veselý (second round)
3. Pierre-Hugues Herbert (semifinals)
4. Philipp Kohlschreiber (third round, withdrew)
5. Jozef Kovalík (third round)
6. Sumit Nagal (quarterfinals)
7. Henri Laaksonen (quarterfinals)
8. Ilya Ivashka (second round)
9. Blaž Rola (second round)
10. Yannick Maden (third round)
11. Kimmer Coppejans (second round)
12. Martin Kližan (second round)
13. Arthur Rinderknech (second round)
14. Ernests Gulbis (third round)
15. Sebastian Ofner (second round)
16. Steven Diez (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

	Quarterfinals							Semifinals							Final
	1/WC	Stan Wawrinka	2	6	6
	6	Sumit Nagal	6	0	1
								1/WC	Stan Wawrinka	5	6	6
								WC	Michael Vrbenský	7	3	3
	WC	Michael Vrbenský	6	3	6
		Elias Ymer	2	6	4
															1/WC	Stan Wawrinka	77	6
																Aslan Karatsev	62	4
		Tallon Griekspoor	5	7	3
	3	Pierre-Hugues Herbert	7	5	6
								3	Pierre-Hugues Herbert	5	67
									Aslan Karatsev	7	79
	7	Henri Laaksonen	63	4
		Aslan Karatsev	77	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1/WC	S Wawrinka	6	4	6
		R Safiullin	7	6					R Safiullin	1	6	1
		L Rosol	5	2											1/WC	S Wawrinka	3	7	6
		M Jaziri	4	0												O Otte	6	5	1
		O Otte	6	6					O Otte	6	6
								13	A Rinderknech	2	3
																						1/WC	S Wawrinka	2	6	6
																						6	S Nagal	6	0	1
								9	B Rola	4	64
		N Kuhn	3	3				WC	J Lehečka	6	77
	WC	J Lehečka	6	6											WC	J Lehečka	7	64	3
		D Popko	63	6	3										6	S Nagal	5	77	6
		J Clarke	77	3	6				J Clarke	3	7	1r
								6	S Nagal	6	5	4

Section 2

	First round							Second round							Third round							Quarterfinals
								4	P Kohlschreiber	6	77
		A Vatutin	7	3	2				M Moraing	1	63
		M Moraing	5	6	6										4	P Kohlschreiber
	WC	M Vrbenský	7	7											WC	M Vrbenský	w/o
		D Masur	5	5				WC	M Vrbenský	7	6
								16	S Diez	5	3
																						WC	M Vrbenský	6	3	6
																							E Ymer	2	6	4
								12	M Kližan	2	6	2
		E Ymer	6	6					E Ymer	6	2	6
		E Karlovskiy	3	4												E Ymer	4	6	6
		S Stakhovsky	5	2												T Macháč	6	3	0
		T Macháč	7	6					T Macháč	6	7
								8	I Ivashka	0	5

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								5	J Kovalík	4	6	6
		A Menéndez Maceiras	77	6					A Menéndez Maceiras	6	1	2
		R Molleker	64	3											5	J Kovalík	1	6	1
	PR	A Kuznetsov	64	65												T Griekspoor	6	1	6
		T Griekspoor	77	77					T Griekspoor	5	6	6
								11	K Coppejans	7	4	3
																							T Griekspoor	5	7	3
																						3	P-H Herbert	7	5	6
								15	S Ofner	67	5
		Z Kolář	6	6					Z Kolář	79	7
	Q	P Nouza	2	1												Z Kolář	63	6	3
		B van de Zandschulp	4	6	4										3	P-H Herbert	77	2	6
	WC	J Forejtek	6	2	6			WC	J Forejtek	6	4	3
								3	P-H Herbert	2	6	6

Section 4

	First round							Second round							Third round							Quarterfinals
								7	H Laaksonen	6	3	7
	Q	J Šátral	7	7				Q	J Šátral	3	6	5
		R Bemelmans	5	5											7	H Laaksonen	3	6	6
	PR	A De Greef	6	6											10	Y Maden	6	4	3
		E Couacaud	2	0				PR	A De Greef	3	4
								10	Y Maden	6	6
																						7	H Laaksonen	63	4
																							A Karatsev	77	6
								14	E Gulbis	7	5	6
	WC	A Paulson	6	2	6			WC	A Paulson	5	7	4
		F Horanský	3	6	3										14	E Gulbis	3	3
		R Haase	4	2												A Karatsev	6	6
		A Karatsev	6	6					A Karatsev	6	6
								2	J Veselý	3	4