2018 Diema Xtra Sofia Open – Doubles

Viktor Troicki and Nenad Zimonjić were the defending champions, but lost in the first round to Robin Haase and Matwé Middelkoop.

Doubles
2018 Diema Xtra Sofia Open
Champions	Robin Haase Matwé Middelkoop
Runners-up	Nikola Mektić Alexander Peya
Final score	5–7, 6–4, [10–4]

Main article: 2018 Diema Xtra Sofia Open

Haase and Middelkoop went on to win the title, defeating Nikola Mektić and Alexander Peya in the final, 5–7, 6–4, [10–4].

Seeds

1. Marcin Matkowski / Aisam-ul-Haq Qureshi (First round)
2. Nikola Mektić / Alexander Peya (Final)
3. Nicholas Monroe / John-Patrick Smith (Semifinals)
4. Robin Haase / Matwé Middelkoop (Champions)

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

Draw

	First Round							Quarterfinals							Semifinals							Final
	1	M Matkowski A-u-H Qureshi	6^4	6	[8]
		R Arneodo T-S Weissborn	7^7	1	[10]				R Arneodo T-S Weissborn	4	7^7	[5]
	WC	D Kuzmanov V Mladenov	4	4					S Lipsky D Sharan	6	6^4	[10]
		S Lipsky D Sharan	6	6												S Lipsky D Sharan	4	2
	4	R Haase M Middelkoop	6	6											4	R Haase M Middelkoop	6	6
		V Troicki N Zimonjić	4	4				4	R Haase M Middelkoop	7	5	[10]
		R Lindstedt D Nestor	3	7^7	[10]				R Lindstedt D Nestor	5	7	[4]
		J Erlich P Petzschner	6	6^5	[5]																	4	R Haase M Middelkoop	5	6	[10]
	WC	A Donski A Lazov	3	4																		2	N Mektić A Peya	7	4	[4]
		J Cerretani S Gillé	6	6					J Cerretani S Gillé	3	7^7	[3]
		M Copil F Mergea	6	1	[6]			3	N Monroe J-P Smith	6	6^2	[10]
	3	N Monroe J-P Smith	4	6	[10]										3	N Monroe J-P Smith	2	4
	Alt	R Shandarov V Shandarov	1	2											2	N Mektić A Peya	6	6
		M Marterer J Sousa	6	6					M Marterer J Sousa	3	3
		E Donskoy M Youzhny	2	4				2	N Mektić A Peya	6	6
	2	N Mektić A Peya	6	6

References

• Main Draw