Smallest victories by New Zealand in T20Is - vs Sri Lanka
By runs
Winner | Margin | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 3 runs | 142 | 20.0 | v Sri Lanka | Colombo (RPS) | 2 Sep 2009 | T20I # 120 | |
| 3 runs | 183 | 20.0 | v Sri Lanka | Mount Maunganui | 7 Jan 2016 | T20I # 474 | |
| 5 runs | 109 | 19.5 | v Sri Lanka | Dambulla | 10 Nov 2024 | T20I # 2941 | |
| 8 runs | 173 | 20.0 | v Sri Lanka | Mount Maunganui | 28 Dec 2024 | T20I # 3079 | |
| 22 runs | 171 | 20.0 | v Sri Lanka | Colombo (RPS) | 4 Sep 2009 | T20I # 121 | |
| 28 runs | 121 | 19.4 | v Sri Lanka | Lauderhill | 22 May 2010 | T20I # 180 | |
| 35 runs | 180 | 16.5 | v Sri Lanka | Auckland | 11 Jan 2019 | T20I # 718 | |
| 45 runs | 187 | 19.1 | v Sri Lanka | Mount Maunganui | 30 Dec 2024 | T20I # 3080 | |
| 65 runs | 168 | 19.2 | v Sri Lanka | Sydney | 29 Oct 2022 | T20I # 1850 |
By wickets
Winner | Margin | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 2 wickets | 136 | 19.5 | v Sri Lanka | Providence | 30 Apr 2010 | T20I # 151 | |
| 4 wickets | 162 | 19.4 | v Sri Lanka | Pallekele | 3 Sep 2019 | T20I # 879 | |
| 4 wickets | 183 | 19.5 | v Sri Lanka | Queenstown | 8 Apr 2023 | T20I # 2041 | |
| 5 wickets | 116 | 18.3 | v Sri Lanka | Auckland | 26 Dec 2006 | T20I # 12 | |
| 5 wickets | 175 | 19.3 | v Sri Lanka | Pallekele | 1 Sep 2019 | T20I # 878 | |
| 9 wickets | 143 | 10.0 | v Sri Lanka | Auckland | 10 Jan 2016 | T20I # 476 | |
| 9 wickets | 142 | 14.4 | v Sri Lanka | Dunedin | 5 Apr 2023 | T20I # 2040 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 2 wickets | 1 | 136 | 19.5 | 20.0 | v Sri Lanka | Providence | 30 Apr 2010 | T20I # 151 | |
| 4 wickets | 1 | 183 | 19.5 | 20.0 | v Sri Lanka | Queenstown | 8 Apr 2023 | T20I # 2041 | |
| 4 wickets | 2 | 162 | 19.4 | 20.0 | v Sri Lanka | Pallekele | 3 Sep 2019 | T20I # 879 | |
| 5 wickets | 3 | 175 | 19.3 | 20.0 | v Sri Lanka | Pallekele | 1 Sep 2019 | T20I # 878 | |
| 5 wickets | 9 | 116 | 18.3 | 20.0 | v Sri Lanka | Auckland | 26 Dec 2006 | T20I # 12 | |
| 9 wickets | 32 | 142 | 14.4 | 20.0 | v Sri Lanka | Dunedin | 5 Apr 2023 | T20I # 2040 | |
| 9 wickets | 60 | 143 | 10.0 | 20.0 | v Sri Lanka | Auckland | 10 Jan 2016 | T20I # 476 |
Tied matches
Team 1 | Team 2 | Ground | Match Date | Scorecard |
| Sri Lanka | New Zealand | Pallekele International Cricket Stadium | 27 Sep 2012 | T20I # 275 |
| New Zealand | Sri Lanka | Eden Park, Auckland | 2 Apr 2023 | T20I # 2039 |
Adjust:Most recentPast weekPast MonthPast year4 years10 years25 years