2019 OEC Kaohsiung – Doubles

Hsieh Cheng-peng and Yang Tsung-hua were the defending tennis champions^[1] and successfully defended their title, defeating Evan King and Hunter Reese 6–4, 7–6^(7–4) in the final.

Doubles
2019 OEC Kaohsiung
Champions	Hsieh Cheng-peng Yang Tsung-hua
Runners-up	Evan King Hunter Reese
Score	6–4, 7–6(7–4)

Main article: 2019 OEC Kaohsiung

Seeds

1. Max Purcell / Luke Saville (first round)
2. Gong Maoxin / Gonçalo Oliveira (first round)
3. Hsieh Cheng-peng / Yang Tsung-hua (champions)
4. Evan King / Hunter Reese (final)

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

	First round							Quarterfinals							Semifinals							Final
	1	M Purcell L Saville	1	6	[7]
	WC	R Ho K-y Lee	6	3	[10]			WC	R Ho K-y Lee	6	62	[10]
		J Millman S Puodziunas	79	4	[8]				T Matsui Yo Watanuki	4	77	[4]
		T Matsui Yo Watanuki	67	6	[10]										WC	R Ho K-y Lee	6	1	[6]
	4	E King H Reese	6	6											4	E King H Reese	4	6	[10]
		S Diez M Polmans	2	3				4	E King H Reese	3	77	[10]
	WC	C-h Tseng T-l Wu	6	78				WC	C-h Tseng T-l Wu	6	64	[5]
		S Balaji V Vardhan	4	66																		4	E King H Reese	4	64
	Alt	A Bolt Jacob Grills	6	4	[8]																	3	C-p Hsieh T-h Yang	6	77
		S Myneni J Nedunchezhiyan	4	6	[10]				S Myneni J Nedunchezhiyan	2	2
		F Ferreira Silva T Gabashvili	1	1				3	C-p Hsieh T-h Yang	6	6
	3	C-p Hsieh T-h Yang	6	6											3	C-p Hsieh T-h Yang	63	6	[10]
	WC	Y-h Hsu J Wang	6	6												J-s Nam M-k Song	77	4	[6]
		JP Fruttero E López Pérez	4	3				WC	Y-h Hsu J Wang	2	6	[7]
		J-s Nam M-k Song	6	6					J-s Nam M-k Song	6	3	[10]
	2	M Gong G Oliveira	3	2