I
nternational
M
athematical
O
lympiad
IMO 2025
IMO 2026
Khek Lun Harold Chao
Year
Country
P1
P2
P3
P4
P5
P6
Total
Rank
Award
2001
Hong Kong
7
0
0
3
2
0
12
212
Bronze medal
2002
Hong Kong
6
6
0
7
2
0
21
133
Bronze medal