2018 Open Harmonie mutuelle – Singles

Egor Gerasimov was the defending champion but lost in the second round to Jürgen Zopp.

Singles
2018 Open Harmonie mutuelle
Champion	Ričardas Berankis
Runner-up	Constant Lestienne
Final score	6–2, 5–7, 6–4

Main article: 2018 Open Harmonie mutuelle

Ričardas Berankis won the title after defeating Constant Lestienne 6–2, 5–7, 6–4 in the final.

Seeds

1. Marcos Baghdatis (Semifinals)
2. Ričardas Berankis (Champion)
3. Lukáš Lacko (First round)
4. Sergiy Stakhovsky (First round)
5. Oscar Otte (First round)
6. Elias Ymer (Second round)
7. Corentin Moutet (First round)
8. Jürgen Zopp (Semifinals)

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

Finals

	Semifinals							Final
	1	Marcos Baghdatis	5	1
	Q	Constant Lestienne	7	6
								Q	Constant Lestienne	2	7	4
								2	Ričardas Berankis	6	5	6
	8	Jürgen Zopp	3	3
	2	Ričardas Berankis	6	6

Top half

	First Round							Second Round							Quarterfinals							Semifinals
	1	M Baghdatis	6	6
		A Arnaboldi	4	3				1	M Baghdatis	1	6	6
	WC	M Guinard	4	2					U Ignatik	6	2	3
		U Ignatik	6	6											1	M Baghdatis	6	6
		G Oliveira	1	2												M Bachinger	3	2
		M Bachinger	6	6					M Bachinger	6	3	6
	Q	J De Loore	6	6^5	2			6	E Ymer	4	6	2
	6	E Ymer	3	7^7	6																	1	M Baghdatis	5	1
	4	S Stakhovsky	4	3																		Q	C Lestienne	7	6
		T Kamke	6	6					T Kamke	7^9	6
	WC	A Hoang	6	6^5	4			WC	E Furness	6^7	0
	WC	E Furness	3	7^7	6											T Kamke	1	4
	Q	L Grigelis	4	6^4											Q	C Lestienne	6	6
		S Robert	6	7^7					S Robert	3	4
	Q	C Lestienne	6	4	6			Q	C Lestienne	6	6
	7	C Moutet	4	6	3

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	8	J Zopp	4	6	3
		V Millot	6	3	0^r			8	J Zopp	6	6
	Q	T Lamasine	7^7	4	2				E Gerasimov	4	3
		E Gerasimov	6^4	6	6										8	J Zopp	2	6	6
		M Safwat	4	7	5											Z Kolář	6	3	2
		Z Kolář	6	5	7				Z Kolář	6	6
		A Šetkić	3	6	6				A Šetkić	4	4
	3	L Lacko	6	3	4																	8	J Zopp	3	3
	5	O Otte	6	6^8	5																	2	R Berankis	6	6
	SE	G Barrère	3	7^10	7			SE	G Barrère	3	3
		D Novak	6	7^7					D Novak	6	6
		K de Schepper	4	6^4												D Novak	6^1	6^4
	WC	U Humbert	4	3											2	R Berankis	7^7	7^7
	SE	M Janvier	6	6				SE	M Janvier	6^5	3
		K Majchrzak	3	4				2	R Berankis	7^7	6
	2	R Berankis	6	6

References

• Main Draw
• Qualifying Draw