2019 Yokkaichi Challenger – Doubles

This was the first edition of the tournament.^[1]

Nam Ji-sung and Song Min-kyu won the title after defeating Gong Maoxin and Zhang Ze 6–3, 3–6, [14–12] in the final.

Seeds

First round					Quarterfinals					Semifinals				Final

1	M Gong Ze Zhang	6	4	[10]
WC	Makoto Ochi Renta Tokuda	4	6	[6]	1	M Gong Ze Zhang	w/o
ITF	T Fancutt D Kelly	4			ITF	T Fancutt D Kelly
	T Matsui K Uesugi	3^r								1	M Gong Ze Zhang	6	6
3	Sa Ratiwatana So Ratiwatana	6	6							3	Sa Ratiwatana So Ratiwatana	2	1
WC	Y Shimizu N Tajima	3	4		3	Sa Ratiwatana So Ratiwatana	6³	6	[10]
ITF	Jumpei Yamasaki E Zhu	1	4		WC	S Sekiguchi S Shimabukuro	7⁷	3	[5]
WC	Shuichi Sekiguchi S Shimabukuro	6	6											1	M Gong Ze Zhang	3	6	[12]
	Y-s Chung T-l Wu	6	6												J-s Nam M-k Song	6	3	[14]
	B Lock CJ Lock	1	2			Y-s Chung T-l Wu	7	5	[9]
	J-s Nam M-k Song	6	6			J-s Nam M-k Song	5	7	[11]
4	JP Fruttero R Gonzales	2	4								J-s Nam M-k Song	6	6
	B Ellis H Moriya	7⁹	3	[10]							S Imai Y Takahashi	2	4
	Shintaro Imai Y Takahashi	6⁷	6	[12]		S Imai Y Takahashi	6	6
	H Bourchier S Myneni	6	6			H Bourchier S Myneni	4	4
2	H Heliövaara T-h Yang	4	1