KL Rahul of India scored 73 not out at the end of the third day of the Kolkata test against Sri Lanka to post his ninth fifty in the calendar year 2017. He now shares the record for most fifties scored by  a batsman  in the calendar year 2017 with DA Elgar of South Africa. The fifties scored by these two batsmen are listed below

D ELGAR OF SOUTH AFRICA
No	Runs	Pos	Inns	Opposition	Ground	Start Date
1	129	2	1	v Sri Lanka	Cape Town	02 Jan 2017
2	55	2	3	v Sri Lanka	Cape Town	02 Jan 2017
3	140	2	1	v New Zealand	Dunedin	08 Mar 2017
4	89	2	3	v New Zealand	Dunedin	08 Mar 2017
5	54	1	2	v England	Lord’s	06 Jul 2017
6	80	2	3	v England	Nottingham	14 Jul 2017
7	136	2	4	v England	The Oval	27 Jul 2017
8	199	1	1	v Bangladesh	Potchefstroom	28 Sep 2017
9	113	1	1	v Bangladesh	Bloemfontein	06 Oct 2017
KL RAHUL OF INDIA
No	Runs	Pos	Inns	Opposition	Ground	Start Date
1	64	2	2	v Australia	Pune	23 Feb 2017
2	90	1	1	v Australia	Bengaluru	04 Mar 2017
3	51	1	3	v Australia	Bengaluru	04 Mar 2017
4	67	1	2	v Australia	Ranchi	16 Mar 2017
5	60	1	2	v Australia	Dharamsala	25 Mar 2017
6	51*	1	4	v Australia	Dharamsala	25 Mar 2017
7	57	2	1	v Sri Lanka	Colombo (SSC)	03 Aug 2017
8	85	2	1	v Sri Lanka	Pallekele	12 Aug 2017
9	73*	1	3	v Sri Lanka	Kolkata	16 Nov 2017