| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. J Sikora-Lerch vs E Meduna |
| ½-½ | 37 | 1972 | Czechoslovak Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 2. J Sikora-Lerch vs S Kupka |
| ½-½ | 22 | 1972 | Czechoslovak Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 3. J Sikora-Lerch vs N Spiridonov |
| 1-0 | 56 | 1977 | Czechoslovak Championship (International) | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 4. J Sikora-Lerch vs P Petran |
| 1-0 | 35 | 1977 | Stary Smokovec | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 5. J Sikora-Lerch vs J Augustin |
| ½-½ | 13 | 1977 | Stary Smokovec | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 6. J Sikora-Lerch vs E Meduna |
| 1-0 | 46 | 1978 | Czechoslovak Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 7. J Sikora-Lerch vs J Pribyl |
| 0-1 | 37 | 1982 | Czechoslovak Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 8. J Sikora-Lerch vs I Stohl |
 | 1-0 | 72 | 1989 | Tirnavia-B | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 9. J Sikora-Lerch vs J Lechtynsky |
| ½-½ | 48 | 1994 | CZE-chT 1994/95 | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 10. J Sikora-Lerch vs J Lechtynsky |
| ½-½ | 43 | 1998 | CZE-chT 9899 | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 11. J Sikora-Lerch vs S Kasparov |
| ½-½ | 32 | 2001 | Tatry Open | B11 Caro-Kann, Two Knights, 3...Bg4 |
Kibitzing
