| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. D Lapienis vs I Nei |
| ½-½ | 20 |
1961 |
Palanga Baltic-ch | D10 Queen's Gambit Declined Slav |
| 2. D Lapienis vs M Mukhitdinov |
| ½-½ | 16 |
1961 |
URS-ch30 sf | E40 Nimzo-Indian, 4.e3 |
| 3. D Lapienis vs V Tukmakov |
| ½-½ | 21 |
1968 |
URS-chT | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 4. D Lapienis vs Balashov |
| ½-½ | 26 |
1975 |
Riga | E21 Nimzo-Indian, Three Knights |
| 5. D Lapienis vs Kasparov |
 | ½-½ | 48 |
1978 |
Baku | A67 Benoni, Taimanov Variation |
| 6. Gipslis vs D Lapienis |
| ½-½ | 24 |
1982 |
Tournament | E99 King's Indian, Orthodox, Taimanov |
| 7. V Dotan vs D Lapienis |
| ½-½ | 44 |
2001 |
European Seniors | E62 King's Indian, Fianchetto |
| 8. M Etmans vs D Lapienis |
| ½-½ | 38 |
2001 |
European Seniors | B30 Sicilian |
| 9. M Trauth vs D Lapienis |
| ½-½ | 21 |
2005 |
21st European Club Cup | A16 English |
| 10. K Trygstad vs D Lapienis |
| ½-½ | 11 |
2005 |
21st European Club Cup | B23 Sicilian, Closed |
| 11. D Vocaturo vs D Lapienis |
| ½-½ | 80 |
2005 |
21st European Club Cup | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 12. P Laihonen vs D Lapienis |
| ½-½ | 20 |
2005 |
21st European Club Cup | A88 Dutch, Leningrad, Main Variation with c6 |
| 13. D Lapienis vs E Mochalov |
| ½-½ | 19 |
2006 |
European Club Cup | E58 Nimzo-Indian, 4.e3, Main line with 8...Bxc3 |
