| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Leskiewicz vs D Hamilton |
| 0-1 | 59 | 1994 | Doeberl Cup | E80 King's Indian, Samisch Variation |
| 2. M Leskiewicz vs B Vuckovic |
| 1-0 | 41 | 1995 | World Championship U16 (boys) | E80 King's Indian, Samisch Variation |
| 3. M Leskiewicz vs D Prasenjit |
| ½-½ | 43 | 1995 | World Championship U16 (boys) | E80 King's Indian, Samisch Variation |
| 4. M Leskiewicz vs S Rutherford |
| 1-0 | 41 | 1996 | Australian Masters | E80 King's Indian, Samisch Variation |
| 5. M Leskiewicz vs R Curtis |
| 1-0 | 35 | 1996 | Australian Masters | E80 King's Indian, Samisch Variation |
| 6. M Leskiewicz vs S Rutherford |
| ½-½ | 57 | 1998 | Black Opal Masters | E80 King's Indian, Samisch Variation |
| 7. M Leskiewicz vs G Canfell |
| 0-1 | 26 | 1998 | Black Opal Masters | E80 King's Indian, Samisch Variation |
| 8. M Leskiewicz vs K Ramu |
| 0-1 | 58 | 1998 | World Junior Championship | E80 King's Indian, Samisch Variation |
| 9. M Leskiewicz vs D Radovanovic |
| ½-½ | 20 | 1998 | World Junior Championship | E80 King's Indian, Samisch Variation |
| 10. K Sauravh vs M Leskiewicz |
| 0-1 | 40 | 1998 | World Junior Championship | E80 King's Indian, Samisch Variation |
| 11. M Leskiewicz vs T Reilly |
| 1-0 | 39 | 1999 | Australian Open | E80 King's Indian, Samisch Variation |
Kibitzing
