Use a PC utility called PS2 Save Builder . Open your downloaded option file and save/export it as a .psu file. This format is easily read by PS2 homebrew.
Often includes unlocked "Classic" players and Shop items. Why You Still Need One in 2024
The exact you are targeting (NTSC-U, PAL, or NTSC-J)
Highlight your Winning Eleven 9 option file. Press R1 , select Copy , and press Circle.
While not updated for 2026, GameFAQs hosts stable, unlocked option files from the era. Conclusion