At the Mode Select screen, select Password and enter the following.

Effect	Password
Round 2 - Sendai Hiland	4VW1Q-SQNI7-WV3HK-UBTP6-FG7LK
Round 3 - Fuji Speedway	I5S41-T73CS-5DY6T-LVCQD-9NIZC
Round 4 - Sportsland Sugo	EW9T9-B3O8N-KXBU8-XTL4T-4ZEWC
Round 5 - Mine Circuit	LK86E-CN58V-7FYCN-OAXVZ-EVJGO