Q de Kock of South Africa scored 80 and 55 against Sri Lanka in the just concluded test at Durban was in a losing cause to provide the 22^nd occasion of a wicket keeper batsman’s fifties in both innings of a test in a losing cause. All such occasions are tabulated below. Q de Kock became the first South African wicket keeper batsman to witness his twin fifties in a losing cause.

No	Player	FI	SI	Team	Opp	Ground	Start Date
1	JHB Waite	58	56*	SAF	Eng	Birmingham	09 Jun 1960
2	APE Knott	92	63	Eng	Aus	The Oval	10 Aug 1972
3	DL Murray	66	55	Win	Aus	Brisbane	28 Nov 1975
4	APE Knott	50	57	Eng	Win	The Oval	12 Aug 1976
5	A Flower	115	62*	Zim	Ind	Delhi	13 Mar 1993
6	IA Healy	74	51*	Aus	Eng	Adelaide	26 Jan 1995
7	A Flower	65	83	Zim	NZl	Auckland	26 Feb 1998
8	A Flower	74	129	Zim	Srl	Harare	26 Nov 1999
9	A Flower	183*	70	Zim	Ind	Delhi	18 Nov 2000
10	A Flower	51	83	Zim	Ind	Bulawayo	07 Jun 2001
11	A Flower	142	199*	Zim	SAF	Harare	07 Sep 2001
12	T Taibu	71*	52	Zim	Ind	Bulawayo	13 Sep 2005
13	Mushfiqur Rahim	79	95	Ban	Eng	Chattogram	12 Mar 2010
14	MS Dhoni	77	74*	Ind	Eng	Birmingham	10 Aug 2011
15	BJ Watling	63	63	NZl	SAF	P Elizabeth	11 Jan 2013
16	Sarfaraz Ahmed	55	52*	Pak	Srl	Galle	06 Aug 2014
17	Sarfaraz Ahmed	103	55	Pak	Srl	Col-SSC	14 Aug 2014
18	BJ Watling	61*	59	NZl	Eng	Lord’s	21 May 2015
19	MDKJ Perera	55	70	Srl	Ind	Col-SSC	28 Aug 2015
20	LD Chandimal	83	58	Srl	NZl	Dunedin	10 Dec 2015
21	JM Bairstow	55	81	Eng	Pak	The Oval	11 Aug 2016
22	Q de Kock	80	55	SAF	Srl	Durban	13 Feb 2019

It aslso provides the fourth occasion of a wicket keeper batsman’s fifties in both innings of a test in a losing cause against Sri Lanka. All such occasions are tabulated below

No	Player	FI	SI	Team	Opp	Ground	Start Date
1	A Flower	74	129	Zim	Srl	Harare	26 Nov 1999
2	Sarfaraz Ahmed	55	52*	Pak	Srl	Galle	06 Aug 2014
3	Sarfaraz Ahmed	103	55	Pak	Srl	Col-SSC	14 Aug 2014
4	Q de Kock	80	55	SAF	Srl	Durban	13 Feb 2019