Highest totals by Japan in Minor T20s
Highest totals
Team | Score | Overs | RR | Inns | Opposition | Ground | Result | Match Date | Scorecard |
| 178/6 | 20.0 | 8.90 | 1 | v HK Dragons | Kowloon | won | 1 Nov 2015 | Other T20 | |
| 160 | 19.4 | 8.13 | 1 | v HK Dragons | Mong Kok | won | 15 Sep 2018 | Other T20 | |
| 158/6 | 20.0 | 7.90 | 1 | v South Korea | Wong Nai | won | 14 Sep 2018 | Other T20 | |
| 157/5 | 20.0 | 7.85 | 1 | v Philippines | Dasmarinas | won | 2 Dec 2018 | Other T20 | |
| 155/8 | 20.0 | 7.75 | 1 | v HK Dragons | Mong Kok | won | 13 Sep 2018 | Other T20 | |
| 149/4 | 17.3 | 8.51 | 2 | v South Korea | Dasmarinas | won | 3 Dec 2018 | Other T20 | |
| 144/7 | 20.0 | 7.20 | 1 | v South Korea | Sano | won | 5 Nov 2016 | Other T20 | |
| 136/5 | 20.0 | 6.80 | 1 | v Indonesia | Dasmarinas | won | 1 Dec 2018 | Other T20 | |
| 127/8 | 20.0 | 6.35 | 1 | v South Korea | Dasmarinas | lost | 7 Dec 2018 | Other T20 | |
| 123/3 | 20.0 | 6.15 | 1 | v Samoa | Port Moresby | lost | 6 Jul 2011 | Other T20 | |
| 123/8 | 20.0 | 6.15 | 1 | v HK Dragons | Sano | won | 4 Nov 2016 | Other T20 | |
| 115/9 | 20.0 | 5.75 | 2 | v Philippines | Dasmarinas | lost | 6 Dec 2018 | Other T20 | |
| 109/7 | 20.0 | 5.45 | 1 | v Vanuatu | Port Moresby | lost | 5 Jul 2011 | Other T20 | |
| 107/3 | 16.3 | 6.48 | 2 | v China | Mong Kok | won | 15 Sep 2018 | Other T20 | |
| 102 | 19.4 | 5.18 | 1 | v Hong Kong A | Mong Kok | lost | 2 Nov 2015 | Other T20 | |
| 100 | 18.0 | 5.55 | 1 | v Indonesia | Dasmarinas | lost | 5 Dec 2018 | Other T20 | |
| 100/7 | 20.0 | 5.00 | 1 | v South Korea | Sano | lost | 6 Nov 2016 | Other T20 | |
| 86/7 | 20.0 | 4.30 | 2 | v Fiji | Port Moresby | lost | 4 Jul 2011 | Other T20 | |
| 81/5 | 12.5 | 6.31 | 2 | v China | Sano | won | 3 Nov 2016 | Other T20 | |
| 79/8 | 20.0 | 3.95 | 2 | v P.N.G. | Port Moresby | lost | 5 Jul 2011 | Other T20 | |
| 57/1 | 7.0 | 8.14 | 2 | v China | Kowloon | won | 31 Oct 2015 | Other T20 |
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