Players who have scored 420 on board 1
| Akiyasu Inaba & Mineko Mori Pair (5) |
v | Noriko Nishigami & Kayoko Nonaka Pair(19) |
| (at Fukuoka Bridge Plaza , Japan ) | ||
| Chee Wai Wong & Kuo Tang Liao Pair (22) |
v | Kaoru Uno & Miyoko Nakagaki Pair(1) |
| (at The Japanese Association , Singapore ) | ||
