Men's singles
2019 Libéma Open
Final
Champion	Adrian Mannarino
Runner-up	Jordan Thompson
Score	7–6(9–7), 6–3
Details
Draw	28 (4 Q / 3 WC )
Seeds	8
Events
Singles men women Doubles men women
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Adrian Mannarino defeated Jordan Thompson in the final, 7–6^(9–7), 6–3 to win the men's singles tennis title at the 2019 Rosmalen Grass Court Championships. It was Mannarino's maiden ATP Tour singles title in his seventh final. Thompson was also contesting for his maiden title.^[1]

Richard Gasquet was the defending champion, but lost to Thompson in the semifinals.^[2]

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

	Semifinals							Final
	8	Richard Gasquet	5	3
		Jordan Thompson	7	6
									Jordan Thompson	67	3
									Adrian Mannarino	79	6
		Adrian Mannarino	4	6	77
	2/WC	Borna Ćorić	6	3	64

	First round							Second round							Quarterfinals							Semifinals
								1	S Tsitsipas	4	6	4
	Q	J Sinner	64	3					N Jarry	6	3	6
		N Jarry	77	6												N Jarry	68	4
		L Sonego	7	4	4										8	R Gasquet	710	6
		M Kukushkin	5	6	6				M Kukushkin	4	3
		A Bedene	77	65	4			8	R Gasquet	6	6
	8	R Gasquet	63	77	6																	8	R Gasquet	5	3
																							J Thompson	7	6
								3	A de Minaur	7	6
	LL	T Fabbiano	610	5					A Seppi	5	3
		A Seppi	712	7											3	A de Minaur	6	2	3
		J Thompson	3	6	6											J Thompson	4	6	6
	Q	T Paul	6	1	4				J Thompson	6	6
		J Sousa	2	60				6	F Tiafoe	3	2
	6	F Tiafoe	6	77

	First round							Second round							Quarterfinals							Semifinals
	5	D Goffin	6	6
	Q	A Davidovich Fokina	0	2				5	D Goffin	6	7
		M Ebden	4	5					P-H Herbert	3	5
		P-H Herbert	6	7											5	D Goffin	6	5	3
	WC	T de Bakker	2	1												A Mannarino	4	7	6
		A Mannarino	6	6					A Mannarino	1	6	6
								4	F Verdasco	6	3	4
																							A Mannarino	4	6	77
	7	C Garín	6	6																		2/WC	B Ćorić	6	3	64
	Q	S Caruso	1	4				7	C Garín	7	7
		R Haase	5	77	77				R Haase	5	5
		U Humbert	7	62	64										7	C Garín	77	3	66
	WC	J Rodionov	62	4											2/WC	B Ćorić	64	6	78
		T Fritz	77	6					T Fritz	6	3	3
								2/WC	B Ćorić	4	6	6

1. Thomas Fabbiano

	First round							Qualifying competition
	1	Bradley Klahn	6	4	2
		Andrea Arnaboldi	4	6	6
									Andrea Arnaboldi	65	5
								6	Alejandro Davidovich Fokina	77	7
	WC	Nicolas Mahut	2	4
	6	Alejandro Davidovich Fokina	6	6

	First round							Qualifying competition
	2	Thomas Fabbiano	4	6	6
	WC	Emil Ruusuvuori	6	3	1
								2	Thomas Fabbiano	4	2
								Alt	Jannik Sinner	6	6
	Alt	Jannik Sinner	66	77	6
	7	Lukáš Lacko	78	65	2

	First round							Qualifying competition
	3	Jason Jung	2	7	2
		Marcos Giron	6	5	6
									Marcos Giron	3	6	3
								8	Salvatore Caruso	6	3	6
		Filip Horanský	3	2
	8	Salvatore Caruso	6	6

	First round							Qualifying competition
	4	Alex Bolt	4	2
		Daniel Brands	6	6
									Daniel Brands	5	4
								5	Tommy Paul	7	6
		Egor Gerasimov	4	3
	5	Tommy Paul	6	6

• Main Draw
• Qualifying Draw