Largest margins by Thailand in T20Is by Innings, runs & wickets
By runs
Winner | Margin | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 101 runs | 141 | 16.0 | v Myanmar | Kuala Lumpur | 28 Jul 2023 | T20I # 2176 | |
| 77 runs | 172 | 19.4 | v Bhutan | Gelephu | 19 Oct 2024 | T20I # 2912 | |
| 66 runs | 147 | 19.5 | v Indonesia | Gelephu | 23 Oct 2024 | T20I # 2927 | |
| 44 runs | 155 | 20.0 | v Maldives | Gelephu | 22 Oct 2024 | T20I # 2922 | |
| 17 runs | 146 | 20.0 | v Indonesia | Bali | 5 May 2024 | T20I # 2588 | |
| 16 runs | 179 | 20.0 | v Cambodia | Doha | 20 Nov 2024 | T20I # 2964 | |
| 8 runs | 138 | 20.0 | v Indonesia | Bali | 1 May 2024 | T20I # 2584 | |
| 7 runs | 118 | 20.0 | v Bhutan | Doha | 25 Nov 2024 | T20I # 2981 |
By wickets
Winner | Margin | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 10 wickets | 71 | 6.5 | v Bhutan | Bangkok | 12 Feb 2024 | T20I # 2463 | |
| 9 wickets | 27 | 4.1 | v China | Kuala Lumpur | 27 Jul 2023 | T20I # 2172 | |
| 8 wickets | 84 | 10.1 | v Bhutan | Kuala Lumpur | 31 Jul 2023 | T20I # 2185 | |
| 8 wickets | 128 | 9.4 | v Maldives | Bangkok | 6 Feb 2024 | T20I # 2454 | |
| 8 wickets | 106 | 13.0 | v Maldives | Bangkok | 15 Feb 2024 | T20I # 2471 | |
| 8 wickets | 73 | 13.4 | v Cook Islands | Sano | 9 May 2025 | T20I # 3178 | |
| 7 wickets | 116 | 18.1 | v Singapore | Bangkok | 4 Feb 2024 | T20I # 2449 | |
| 7 wickets | 132 | 17.2 | v Indonesia | Bangkok | 7 Feb 2024 | T20I # 2455 | |
| 6 wickets | 118 | 17.2 | v Indonesia | Bali | 6 May 2024 | T20I # 2590 | |
| 6 wickets | 87 | 13.3 | v Indonesia | Gelephu | 20 Oct 2024 | T20I # 2919 | |
| 6 wickets | 107 | 19.5 | v Japan | Sano | 11 May 2025 | T20I # 3180 | |
| 5 wickets | 154 | 19.1 | v Maldives | Kuala Lumpur | 29 Jun 2019 | T20I # 815 | |
| 2 wickets | 103 | 19.2 | v Bahrain | Doha | 22 Nov 2024 | T20I # 2968 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 9 wickets | 95 | 27 | 4.1 | 20.0 | v China | Kuala Lumpur | 27 Jul 2023 | T20I # 2172 | |
| 10 wickets | 79 | 71 | 6.5 | 20.0 | v Bhutan | Bangkok | 12 Feb 2024 | T20I # 2463 | |
| 8 wickets | 62 | 128 | 9.4 | 20.0 | v Maldives | Bangkok | 6 Feb 2024 | T20I # 2454 | |
| 8 wickets | 59 | 84 | 10.1 | 20.0 | v Bhutan | Kuala Lumpur | 31 Jul 2023 | T20I # 2185 | |
| 8 wickets | 42 | 106 | 13.0 | 20.0 | v Maldives | Bangkok | 15 Feb 2024 | T20I # 2471 | |
| 6 wickets | 39 | 87 | 13.3 | 20.0 | v Indonesia | Gelephu | 20 Oct 2024 | T20I # 2919 | |
| 8 wickets | 38 | 73 | 13.4 | 20.0 | v Cook Islands | Sano | 9 May 2025 | T20I # 3178 | |
| 7 wickets | 16 | 132 | 17.2 | 20.0 | v Indonesia | Bangkok | 7 Feb 2024 | T20I # 2455 | |
| 6 wickets | 16 | 118 | 17.2 | 20.0 | v Indonesia | Bali | 6 May 2024 | T20I # 2590 | |
| 7 wickets | 11 | 116 | 18.1 | 20.0 | v Singapore | Bangkok | 4 Feb 2024 | T20I # 2449 | |
| 5 wickets | 5 | 154 | 19.1 | 20.0 | v Maldives | Kuala Lumpur | 29 Jun 2019 | T20I # 815 | |
| 2 wickets | 4 | 103 | 19.2 | 20.0 | v Bahrain | Doha | 22 Nov 2024 | T20I # 2968 | |
| 6 wickets | 1 | 107 | 19.5 | 20.0 | v Japan | Sano | 11 May 2025 | T20I # 3180 |
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