| Date | Athlete | Record | Championship |
|---|---|---|---|
| 2005-08-13 | Lai Chun Nan | 49 digits | World Memory Championship 2005 |
| 2006-08-19 | LEE Tai Yiu | 170 digits | World Memory Championship 2006 |
| 2007-08-31 | LEE Tai Yiu | 216 digits | World Memory Championship 2007 |
| 2013-09-28 | CHAN Chi Wa | 248 digits | Hong Kong Open Memory Championship 2013 |
| 2016-08-13 | SUN Hanming | 260 digits | Hong Kong Open Memory Championship 2016 |
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