| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. G Andruet vs M Leski |
| 1-0 | 39 | 1983 | Paris op | D06 Queen's Gambit Declined |
| 2. G Andruet vs M Leski |
| 1-0 | 39 | 1987 | Montpellier | D07 Queen's Gambit Declined, Chigorin Defense |
| 3. Browne vs M Leski |
| 1-0 | 25 | 1987 | Pan Pacific International | D34 Queen's Gambit Declined, Tarrasch |
| 4. M Leski vs Adianto |
| 0-1 | 55 | 1987 | Pan Pacific International | A07 King's Indian Attack |
| 5. M Leski vs D B Gurevich |
| 1-0 | 32 | 1987 | Pan Pacific International | A05 Reti Opening |
| 6. M Leski vs Miles |
 | 1-0 | 36 | 1987 | Pan Pacific International | A41 Queen's Pawn Game (with ...d6) |
| 7. M Leski vs L Christiansen |
| ½-½ | 46 | 1987 | Pan Pacific International | A13 English |
| 8. M Leski vs de Firmian |
| ½-½ | 56 | 1987 | Pan Pacific International | A37 English, Symmetrical |
| 9. K Spraggett vs M Leski |
| ½-½ | 27 | 1987 | Pan Pacific International | D34 Queen's Gambit Declined, Tarrasch |
| 10. Dzindzichashvili vs M Leski |
| 1-0 | 40 | 1991 | St Martin | A80 Dutch |
| 11. S Roods vs M Leski |
| 0-1 | 52 | 1994 | Hawaii Int | A50 Queen's Pawn Game |
| 12. T Brownscombe vs M Leski |
| 0-1 | 43 | 1994 | San Mateo | B07 Pirc |
| 13. A Summerscale vs M Leski |
| ½-½ | 13 | 1994 | San Mateo | D34 Queen's Gambit Declined, Tarrasch |
| 14. E Schiller vs M Leski |
 | ½-½ | 21 | 1994 | Peoples Open | B00 Uncommon King's Pawn Opening |
| 15. W Shipman vs M Leski |
| 0-1 | 53 | 1994 | Hawaii Int | B07 Pirc |
| 16. M Leski vs J Torres |
| 1-0 | 21 | 1994 | San Mateo | A15 English |
| 17. L Au vs M Leski |
| 0-1 | 58 | 1994 | Hawaii Int | B08 Pirc, Classical |
| 18. M Leski vs Remlinger |
| 0-1 | 28 | 1994 | San Mateo | E67 King's Indian, Fianchetto |
| 19. M Leski vs L Au |
| ½-½ | 42 | 1994 | Hawaii Int | E67 King's Indian, Fianchetto |
| 20. A Mortazavi vs M Leski |
| ½-½ | 14 | 1994 | San Mateo | B07 Pirc |
| 21. M Leski vs T Weideman |
| 1-0 | 25 | 1994 | Hawaii Int | E65 King's Indian, Fianchetto, Yugoslav, 7.O-O |
| 22. M Leski vs L Busquets |
| 1-0 | 32 | 1994 | San Mateo | E63 King's Indian, Fianchetto, Panno Variation |
| 23. M Leski vs B Izumikawa |
| 1-0 | 32 | 1994 | San Mateo | A06 Reti Opening |
| 24. R Takata vs M Leski |
| ½-½ | 28 | 1994 | Hawaii Int | D34 Queen's Gambit Declined, Tarrasch |
| 25. Shaked vs M Leski |
| 1-0 | 32 | 1994 | San Mateo | B07 Pirc |