AN Cook of England registered his fourth double century as an opening batsman when he scored 243 against West Indies at Nottingham in the ongoing test. He became the sixth opening batsman in the annals of test cricket to score four or more double centuries. The following table lists all the six opening batsmen who have accomplished the feat

1	MS ATAPATTU OF SRI LANKA
	No	Runs	Pos	Inns	Opposition	Ground	Start Date
	1	223	2	1	v Zimbabwe	Kandy	07 Jan 1998
	2	216*	1	2	v Zimbabwe	Bulawayo	18 Nov 1999
	3	207*	1	1	v Pakistan	Kandy	28 Jun 2000
	4	201*	1	1	v England	Galle	22 Feb 2001
	5	201	1	2	v Bangladesh	Colombo (SSC)	06 Sep 2001
	6	249	1	2	v Zimbabwe	Bulawayo	14 May 2004
2	V SEHWAG OF INDIA
	No	Runs	Pos	Inns	Opposition	Ground	Start Date
	1	309	2	1	v Pakistan	Multan	28 Mar 2004
	2	201	2	2	v Pakistan	Bengaluru	24 Mar 2005
	3	254	1	2	v Pakistan	Lahore	13 Jan 2006
	4	319	2	2	v South Africa	Chennai	26 Mar 2008
	5	201*	2	1	v Sri Lanka	Galle	31 Jul 2008
	6	293	2	2	v Sri Lanka	Mumbai (BS)	02 Dec 2009
3	GC SMITH OF  SOUTH AFRICA
	No	Runs	Pos	Inns	Opposition	Ground	Start Date
	1	200	1	1	v Bangladesh	East London	18 Oct 2002
	2	277	1	1	v England	Birmingham	24 Jul 2003
	3	259	1	2	v England	Lord’s	31 Jul 2003
	4	232	2	1	v Bangladesh	Chittagong	29 Feb 2008
	5	234	2	2	v Pakistan	Dubai (DSC)	23 Oct 2013
4	AN COOK OF ENGLAND
	No	Runs	Pos	Inns	Opposition	Ground	Start Date
	1	235*	2	3	v Australia	Brisbane	25 Nov 2010
	2	294	2	2	v India	Birmingham	10 Aug 2011
	3	263	1	2	v Pakistan	Abu Dhabi	13 Oct 2015
	4	243	1	1	v West Indies	Birmingham	17 Aug 2017
5	CG GREENIDGE OF WEST INDIES
	No	Runs	Pos	Inns	Opposition	Ground	Start Date
	1	214*	1	4	v England	Lord’s	28 Jun 1984
	2	223	1	1	v England	Manchester	26 Jul 1984
	3	213	1	1	v New Zealand	Auckland	27 Feb 1987
	4	226	1	3	v Australia	Bridgetown	19 Apr 1991
6	L HUTTON OF ENGLAND
	No	Runs	Pos	Inns	Opposition	Ground	Start Date
	1	364	1	1	v Australia	The Oval	20 Aug 1938
	2	206	1	2	v New Zealand	The Oval	13 Aug 1949
	3	202*	1	2	v West Indies	The Oval	12 Aug 1950
	4	205	1	2	v West Indies	Kingston	30 Mar 1954