Smallest victories in 2021 in T20Is - South Africa
By runs
Winner | Margin | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 1 run | 168 | 20.0 | v West Indies | St George's | 29 Jun 2021 | T20I # 1179 | |
| 10 runs | 190 | 20.0 | v England | Sharjah | 6 Nov 2021 | T20I # 1400 | |
| 16 runs | 167 | 20.0 | v West Indies | St George's | 27 Jun 2021 | T20I # 1178 | |
| 21 runs | 212 | 20.0 | v Ireland | Bristol | 3 Aug 2022 | T20I # 1721 | |
| 25 runs | 169 | 20.0 | v West Indies | St George's | 3 Jul 2021 | T20I # 1181 | |
| 28 runs | 164 | 20.0 | v Sri Lanka | Colombo (RPS) | 10 Sep 2021 | T20I # 1265 | |
| 33 runs | 166 | 20.0 | v Ireland | Dublin (Malahide) | 19 Jul 2021 | T20I # 1194 | |
| 42 runs | 160 | 19.3 | v Ireland | Belfast | 22 Jul 2021 | T20I # 1197 | |
| 44 runs | 183 | 18.5 | v Ireland | Bristol | 5 Aug 2022 | T20I # 1724 | |
| 49 runs | 190 | 20.0 | v Ireland | Belfast | 24 Jul 2021 | T20I # 1201 | |
| 49 runs | 228 | 18.3 | v India | Indore | 4 Oct 2022 | T20I # 1805 | |
| 58 runs | 208 | 16.4 | v England | Cardiff | 28 Jul 2022 | T20I # 1698 | |
| 90 runs | 192 | 16.4 | v England | Southampton | 31 Jul 2022 | T20I # 1717 | |
| 104 runs | 206 | 16.3 | v Bangladesh | Sydney | 27 Oct 2022 | T20I # 1847 |
By wickets
Winner | Margin | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 4 wickets | 143 | 19.5 | v Sri Lanka | Sharjah | 30 Oct 2021 | T20I # 1378 | |
| 4 wickets | 149 | 18.2 | v India | Cuttack | 12 Jun 2022 | T20I # 1569 | |
| 5 wickets | 134 | 19.4 | v India | Perth | 30 Oct 2022 | T20I # 1853 | |
| 5 wickets | 152 | 13.5 | v India | Gqeberha | 12 Dec 2023 | T20I # 2396 | |
| 6 wickets | 145 | 16.2 | v Pakistan | Lahore | 13 Feb 2021 | T20I # 1121 | |
| 6 wickets | 141 | 14.0 | v Pakistan | Johannesburg | 12 Apr 2021 | T20I # 1146 | |
| 6 wickets | 85 | 13.3 | v Bangladesh | Abu Dhabi | 2 Nov 2021 | T20I # 1384 | |
| 6 wickets | 259 | 18.5 | v West Indies | Centurion | 26 Mar 2023 | T20I # 2032 | |
| 7 wickets | 212 | 19.1 | v India | Delhi | 9 Jun 2022 | T20I # 1554 | |
| 8 wickets | 144 | 18.2 | v West Indies | Dubai (DICS) | 26 Oct 2021 | T20I # 1366 | |
| 9 wickets | 104 | 14.1 | v Sri Lanka | Colombo (RPS) | 12 Sep 2021 | T20I # 1270 | |
| 10 wickets | 121 | 14.4 | v Sri Lanka | Colombo (RPS) | 14 Sep 2021 | T20I # 1273 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 4 wickets | 1 | 143 | 19.5 | 20.0 | v Sri Lanka | Sharjah | 30 Oct 2021 | T20I # 1378 | |
| 5 wickets | 2 | 134 | 19.4 | 20.0 | v India | Perth | 30 Oct 2022 | T20I # 1853 | |
| 7 wickets | 5 | 212 | 19.1 | 20.0 | v India | Delhi | 9 Jun 2022 | T20I # 1554 | |
| 6 wickets | 7 | 259 | 18.5 | 20.0 | v West Indies | Centurion | 26 Mar 2023 | T20I # 2032 | |
| 5 wickets | 7 | 152 | 13.5 | 15.0 | v India | Gqeberha | 12 Dec 2023 | T20I # 2396 | |
| 8 wickets | 10 | 144 | 18.2 | 20.0 | v West Indies | Dubai (DICS) | 26 Oct 2021 | T20I # 1366 | |
| 4 wickets | 10 | 149 | 18.2 | 20.0 | v India | Cuttack | 12 Jun 2022 | T20I # 1569 | |
| 6 wickets | 22 | 145 | 16.2 | 20.0 | v Pakistan | Lahore | 13 Feb 2021 | T20I # 1121 | |
| 10 wickets | 32 | 121 | 14.4 | 20.0 | v Sri Lanka | Colombo (RPS) | 14 Sep 2021 | T20I # 1273 | |
| 9 wickets | 35 | 104 | 14.1 | 20.0 | v Sri Lanka | Colombo (RPS) | 12 Sep 2021 | T20I # 1270 | |
| 6 wickets | 36 | 141 | 14.0 | 20.0 | v Pakistan | Johannesburg | 12 Apr 2021 | T20I # 1146 | |
| 6 wickets | 39 | 85 | 13.3 | 20.0 | v Bangladesh | Abu Dhabi | 2 Nov 2021 | T20I # 1384 |
Tied matches
Team 1 | Team 2 | Ground | Match Date | Scorecard |
| No records found | ||||
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Performances in matches that overlap years are credited to the year in which they occurred - this results in some unknown data, especially in regard to bowling figures