The ongoing T20I series between South Africa and England witnessed two smallest margin of victories. The  first game  at East London on 12.02.20 was won by South Africa by one run to provide the 15^th occasion of a team  winning a T20I  by one run margin, while the second game at Durban on 14.02.20 was won by England by two runs to provide  the  15^th occasion of a team winning a T20I by two runs margin. All such occasions are tabulated below

No	Winner	Margin	Target	Opp	Ground	Match Date
1	Aus	1 run	151	v NZl	Sydney	15 Feb 2009
2	RSA	1 run	129	v NZl	Lord’s	09 Jun 2009
3	Eng	1 run	129	v RSA	Johannesburg	13 Nov 2009
4	NZl	1 run	134	v Pak	Bridgetown	08 May 2010
5	RSA	1 run	121	v Win	North Sound	20 May 2010
6	Ban	1 run	147	v Ire	Belfast	20 Jul 2012
7	NZl	1 run	168	v Ind	Chennai	11 Sep 2012
8	Ind	1 run	153	v RSA	Col-RPS	02 Oct 2012
9	Ind	1 run	147	v Ban	Bengaluru	23 Mar 2016
10	Win	1 run	246	v Ind	Lauderhill	27 Aug 2016
11	Afg	1 run	146	v Ban	Dehradun	07 Jun 2018
12	Ken	1 run	146	v Uga	Kampala	22 May 2019
13	Den	1 run	118	v Finl	Brondby	13 Jul 2019
14	Ire	1 run	187	v Sco	Dublin-M	20 Sep 2019
15	RSA	1 run	178	v Eng	E London	12 Feb 2020
1	Winner	Margin	Target	Opp	Ground	Match Date
2	RSA	2 runs	202	v Aus	Johannesburg	24 Feb 2006
3	Srl	2 runs	164	v Eng	Southampton	15 Jun 2006
4	Aus	2 runs	128	v Pak	Melbourne	05 Feb 2010
5	Ire	2 runs	108	v Ken	Mombasa	24 Feb 2012
6	Srl	2 runs	122	v Aus	Melbourne	28 Jan 2013
7	Irel	2 runs	169	v Can	Abu Dhabi	16 Nov 2013
8	Srl	2 runs	169	v Ban	Chattogram	12 Feb 2014
9	RSA	2 runs	171	v NZl	Chattogram	24 Mar 2014
10	Zim	2 runs	171	v Ind	Harare	18 Jun 2016
11	Eng	2 runs	195	v NZl	Hamilton	18 Feb 2018
12	Pak	2 runs	149	v NZl	Abu Dhabi	31 Oct 2018
13	Peru	2 runs	076	v Bra	CPC Pitch A	03 Oct 2019
14	Sin	2 runs	169	v Sco	ICCA Dubai	18 Oct 2019
15	Eng	2 runs	205	v RSA	Durban	14 Feb 2020