All-Star Tennis '99 - Cheat Codes
Below are the cheat codes, hints and help for All-Star Tennis '99 - Cheat Codes.
| P1 Press L For P1 Score Modifier | D016E1D1 0020 801C7260 00?? |
| P1 Press R For P2 Score Modifier | D016E1D1 0010 801C7261 00?? |
| Aces Modifier P1 | 811687B2 ???? |
| Double Faults Modifier P1 | 8116E296 ???? |
| Points Won Modifier P1 | 81147C58 ???? |
| Fastest Serve Modifier P1 | 81167388 ???? |
| Games Won Modifier P1 | 801BBFA2 00?? |
| P2 Press L For P1 Score Modifier | D016E1D7 0020 801C7260 00?? |
| P2 Press L For P1 Score Modifier | D016E1D7 0010 801C7261 00?? |
| Aces Modifier P2 | 811687B4 ???? |
| Double Faults Modifier P2 | 8116E298 ???? |
| Points Won Modifier P2 | 81147C5A ???? |
| Fastest Serve Modifier P2 | 8116738A ???? |
| Games Won Modifier P2 | 801BBFA3 00?? |
| Quantity Digits to Accompany Score Modifier Codes | |
| 00 - 0 15 - 15 30 - 30 40 - 40 |
| One Set to Win Game P1 | 301BAEB1 0006 |
| Cannot Win Any Sets P1 | 301BAEB1 0000 |
| One Set to Win Game P2 | 301BAEB2 0006 |
| Cannot Win Any Sets P2 | 301BAEB2 0000 |
