1991 ATP German Open – Singles

Karel Nováček defeated Magnus Gustafsson in the final, 6–3, 6–3, 5–7, 0–6, 6–1 to win the singles tennis title at the 1991 Hamburg European Open.

Singles
1991 ATP German Open
Champion	Karel Nováček[1]
Runner-up	Magnus Gustafsson
Score	6–3, 6–3, 5–7, 0–6, 6–1
Draw	56
Seeds	16

Main article: 1991 ATP German Open

Juan Aguilera was the defending champion, but lost in the first round to Jordi Arrese.^[2]

Seeds

1. Stefan Edberg (Quarterfinal)
2. Ivan Lendl (second round)
3. Pete Sampras (third round)
4. Goran Ivanišević (Quarterfinal, retired)
5. Sergi Bruguera (third round)
6. Jim Courier (second round)
7. Jonas Svensson (second round)
8. Emilio Sánchez (second round)
9. Michael Stich (semifinal)
10. Andrei Cherkasov (second round)
11. Andrés Gómez (first round)
12. Andrei Chesnokov (first round)
13. Karel Nováček (champion)
14. Alexander Volkov (third round)
15. Guillermo Pérez Roldán (withdrew)
16. Marc Rosset (first 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

	Quarterfinal							Semifinal							Final
	1	Stefan Edberg	2	64
	9	Michael Stich	6	7
								9	Michael Stich	3	6	65
								13	Karel Nováček	6	2	7
	13	Karel Nováček	4	6	6
		Mark Koevermans	6	4	2
															13	Karel Nováček	6	6	5	0	6
																Magnus Gustafsson	3	3	7	6	1
		Goran Prpić	7	3
	4	Goran Ivanišević	5	0r
									Goran Prpić	2	6	64
									Magnus Gustafsson	6	1	7
		Magnus Gustafsson	6	6
	WC	Yannick Noah	1	4

Top half

Section 1

	First round							Second round							Third round							Quarterfinal
								1	S Edberg	6	6
	WC	A Mronz	6	7				WC	A Mronz	3	1
	WC	P Kühnen	2	5											1	S Edberg	6	6
		N Kulti	4	64												R Agénor	2	1
		R Agénor	6	7					R Agénor	7	0	6
		A Krickstein	4	6	6				A Krickstein	5	6	2
	16	M Rosset	6	2	3																	1	S Edberg	2	64
	9	M Stich	1	6	7																	9	M Stich	6	7
		T Carbonell	6	3	5			9	M Stich	7	6
	Q	T Nijssen	6	4	64				P Haarhuis	5	0
		P Haarhuis	3	6	7										9	M Stich	6	6
	Q	F Clavet	7	6											Q	F Clavet	1	4
		A Mansdorf	64	2				Q	F Clavet	6	4	6
								8	E Sánchez	3	6	4

Section 2

	First round							Second round							Third round							Quarterfinal
								3	P Sampras	6	4	6
		H Skoff	7	6					H Skoff	3	6	4
		T Muster	5	2											9	P Sampras	4	2
		O Camporese	7	6											13	K Nováček	6	6
	Q	R Haas	64	4					O Camporese	3	2
	WC	C-U Steeb	4	64				13	K Nováček	6	6
	13	K Nováček	6	7																		13	K Nováček	4	6	6
	11	Gómez	4	3																			M Koevermans	6	4	2
		F Davín	6	6					F Davín	4	4
		M Koevermans	6	6					M Koevermans	6	6
		M Vajda	3	2												M Koevermans	6	6
		M Jaite	5	3											5	S Bruguera	4	3
		E Jelen	7	6					E Jelen	3	1
								5	S Bruguera	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinal
								6	J Courier	7	2	4
		H de la Peña	6	3	6				H de la Peña	63	6	6
		C Bergström	2	6	2											H de la Peña	3	4
		J Aguilera	2	5												G Prpić	6	6
		J Arrese	6	7					J Arrese	3	3
		G Prpić	6	6					G Prpić	6	6
	12	A Chesnokov	4	3																			G Prpić	7	3
	14	A Volkov	6	7																		4	G Ivanišević	5	0r
		G Bloom	1	612				14	A Volkov	7	7
		A Järryd	4	1				Q	A Boetsch	64	61
	Q	A Boetsch	6	6											14	A Volkov	1	3
	WC	U Riglewski	1	4											4	G Ivanišević	6	6
		L Mattar	6	6					L Mattar	1	1
								4	G Ivanišević	6	6

Section 4

	First round							Second round							Third round							Quarterfinal
								7	J Svensson	2	2
	Q	C Pistolesi	3	3					C Caratti	6	6
		C Caratti	6	6												C Caratti	5	6	2
		M Gustafsson	6	6												M Gustafsson	7	3	6
		D Engel	4	2					M Gustafsson	3	6	6
		H Leconte	63	3				10	A Cherkasov	6	4	4
	10	A Cherkasov	7	6																			M Gustafsson	6	6
	LL	W Ferreira	2	6	3																	WC	Y Noah	1	4
		M Larsson	6	3	6				M Larsson	4	6	3
	WC	Y Noah	7	6				WC	Y Noah	6	1	6
		R Fromberg	66	0											WC	Y Noah	1	6	6
		M Filippini	3	3											Q	R Furlan	6	4	3
	Q	R Furlan	6	6				Q	R Furlan	7	6
								2	I Lendl	5	4