| Date | Competitor | Country | Score | IAM level | Competition |
|---|---|---|---|---|---|
| 2011-12-07 | ANDY TSZ KIT FONG | Hong Kong | 135 | 13 | World Memory Championship 2011 |
| 2010-11-03 | ANDY TSZ KIT FONG | Hong Kong | 80 | 13 | World Memory Championship 2010 |
| 2009-11-12 | LEE TAI YIU | Hong Kong | 59 | 5 | World Memory Championship 2009 |
| 2007-08-31 | LEE TAI YIU | Hong Kong | 41 | 5 | World Memory Championship 2007 |
| 2006-08-19 | MIKI LEE YUK KUEN | Hong Kong | 41 | 4 | World Memory Championship 2006 |
| 2005-08-13 | LEUNG KA CHUN | Hong Kong | 19 | 4 | World Memory Championship 2005 |