2018 Stockholm Open – Singles

Juan Martín del Potro was the two-time defending champion but chose not to defend his title.

Singles
2018 Stockholm Open
Champion	Stefanos Tsitsipas
Runner-up	Ernests Gulbis
Score	6–4, 6–4
Draw	28
Seeds	8

Main article: 2018 Stockholm Open

Stefanos Tsitsipas won his first ATP World Tour title, defeating Ernests Gulbis in the final, 6–4, 6–4. With the win, he became the first Greek player to win an ATP title in the organization's 48-year history. Gulbis lost his first ATP Tour final, after six singles titles in a row.

Seeds

The top four seeds receive a bye into the second round.

1. John Isner (semifinals)
2. Fabio Fognini (semifinals)
3. Stefanos Tsitsipas (champion)
4. Jack Sock (quarterfinals)
5. Lucas Pouille (first round)
6. Chung Hyeon (quarterfinals, retired)
7. Denis Shapovalov (second round)
8. Fernando Verdasco (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
	1	John Isner	6	3	3
	Q	Ernests Gulbis	1	6	6
								Q	Ernests Gulbis	4	4
								3	Stefanos Tsitsipas	6	6
	3	Stefanos Tsitsipas	6	6
	2	Fabio Fognini	3	2

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	J Isner	77	65	77
		B Klahn	6	3	6				B Klahn	62	77	65
		M Copil	2	6	4										1	J Isner	710	65	77
	Q	O Otte	6	7												T Sandgren	68	77	62
	LL	J Zopp	3	5				Q	O Otte	64	6	3
		T Sandgren	6	6					T Sandgren	77	3	6
	5	L Pouille	4	4																		1	J Isner	6	3	3
																						Q	E Gulbis	1	6	6
								4	J Sock	7	3	6
	WC	E Ymer	4	7	7			WC	E Ymer	5	6	3
		M Marterer	6	5	5										4	J Sock	6	3	4
	WC	M Ymer	4	3											Q	E Gulbis	4	6	6
	Q	E Gulbis	6	6				Q	E Gulbis	6	6
	Q	P Polansky	3	7	5			7	D Shapovalov	2	4
	7	D Shapovalov	6	5	7

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	F Verdasco	6	6
		M Ebden	4	2				8	F Verdasco	6	5	65
		A de Minaur	63	77	1				P Kohlschreiber	4	7	77
		P Kohlschreiber	77	62	6											P Kohlschreiber	3	64
		J Millman	4	6	6										3	S Tsitsipas	6	77
	Q	A Popyrin	6	3	2				J Millman	4	6	3
								3	S Tsitsipas	6	3	6
																						3	S Tsitsipas	6	6
	6/WC	H Chung	6	6																		2	F Fognini	3	2
		T Fritz	2	2				6/WC	H Chung	6	6
		D Kudla	6	7					D Kudla	3	3
		G García López	2	5											6/WC	H Chung	5	1r
		L Lacko	6	6											2	F Fognini	7	2
		T Daniel	1	4					L Lacko	4	4
								2	F Fognini	6	6

Qualifying

Seeds

1. Julien Benneteau (qualifying competition)
2. Bernard Tomic (first round, retired)
3. Michael Mmoh (first round)
4. Peter Polansky (qualified)
5. Jürgen Zopp (qualifying competition, lucky loser)
6. Matthias Bachinger (qualifying competition)
7. Ernests Gulbis (qualified)
8. Mats Moraing (first round)

Qualifiers

1. Ernests Gulbis
2. Oscar Otte
3. Alexei Popyrin
4. Peter Polansky

Lucky loser

1. Jürgen Zopp

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Julien Benneteau	6	6
		Ivan Nedelko	4	2
								1	Julien Benneteau	1	4
								7	Ernests Gulbis	6	6
	WC	Markus Eriksson	4	61
	7	Ernests Gulbis	6	77

Second qualifier

	First round							Qualifying competition
	2	Bernard Tomic	4	2r
		Oscar Otte	6	1
									Oscar Otte	6	77
								5	Jürgen Zopp	3	62
		Matteo Donati	4	4
	5	Jürgen Zopp	6	6

Third qualifier

	First round							Qualifying competition
	3	Michael Mmoh	65	67
		Alexei Popyrin	77	79
									Alexei Popyrin	6	4	6
								6	Matthias Bachinger	3	6	2
		Norbert Gombos	3	4
	6	Matthias Bachinger	6	6

Fourth qualifier

	First round							Qualifying competition
	4	Peter Polansky	6	6
	WC	Karl Friberg	4	1
								4	Peter Polansky	6	1	6
									Andrea Arnaboldi	4	6	4
		Andrea Arnaboldi	7	6
	8	Mats Moraing	5	2

References

• Main draw
• Qualifying draw