| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. S Lomasov vs N Klepikov |
| 1-0 | 43 | 2017 | Chigorin Memorial | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 52. E Lesovoi vs S Lomasov |
| 0-1 | 27 | 2017 | Chigorin Memorial | D32 Queen's Gambit Declined, Tarrasch |
| 53. S Lomasov vs D Paravyan |
| ½-½ | 40 | 2017 | Chigorin Memorial | C47 Four Knights |
| 54. M Litvinov vs S Lomasov |
| 0-1 | 51 | 2017 | Chigorin Memorial | B13 Caro-Kann, Exchange |
| 55. S Lomasov vs K Alekseenko |
| 0-1 | 38 | 2017 | Chigorin Memorial | B69 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 11.Bxf6 |
| 56. S Swaminathan vs S Lomasov |
| ½-½ | 49 | 2017 | Chigorin Memorial | A59 Benko Gambit |
| 57. S Lomasov vs S Vokhidov |
| 1-0 | 44 | 2017 | Chigorin Memorial | E06 Catalan, Closed, 5.Nf3 |
| 58. Dorian Micottis vs S Lomasov |
| 0-1 | 43 | 2017 | World Junior Championship | C11 French |
| 59. S Lomasov vs Y Zhao |
| 1-0 | 63 | 2017 | World Junior Championship | C03 French, Tarrasch |
| 60. S Lomasov vs M Karthikeyan |
| ½-½ | 34 | 2017 | World Junior Championship | C45 Scotch Game |
| 61. S L Narayanan vs S Lomasov |
| ½-½ | 75 | 2017 | World Junior Championship | E17 Queen's Indian |
| 62. S Lomasov vs O Kobo |
| 1-0 | 71 | 2017 | World Junior Championship | C11 French |
| 63. G Oparin vs S Lomasov |
| ½-½ | 38 | 2017 | World Junior Championship | E11 Bogo-Indian Defense |
| 64. S Lomasov vs Martirosyan |
| 1-0 | 44 | 2017 | World Junior Championship | B12 Caro-Kann Defense |
| 65. T M Tran vs S Lomasov |
| ½-½ | 31 | 2017 | World Junior Championship | E11 Bogo-Indian Defense |
| 66. S Lomasov vs M Petrosyan |
| ½-½ | 24 | 2017 | World Junior Championship | C52 Evans Gambit |
| 67. R Praggnanandhaa vs S Lomasov |
 | ½-½ | 60 | 2017 | World Junior Championship | A06 Reti Opening |
| 68. S Lomasov vs Y Liu |
| ½-½ | 33 | 2017 | World Junior Championship | A45 Queen's Pawn Game |
| 69. P Ponkratov vs S Lomasov |
| ½-½ | 51 | 2017 | Russian Cup Final | C55 Two Knights Defense |
| 70. S Lomasov vs P Ponkratov |
| 1-0 | 73 | 2017 | Russian Cup Final | B06 Robatsch |
| 71. A Korobov vs S Lomasov |
| 1-0 | 44 | 2018 | Aeroflot Open | E17 Queen's Indian |
| 72. S Lomasov vs V Shinkevich |
| 1-0 | 44 | 2018 | Aeroflot Open | E70 King's Indian |
| 73. G Sargissian vs S Lomasov |
| ½-½ | 65 | 2018 | Aeroflot Open | A46 Queen's Pawn Game |
| 74. S Lomasov vs A Predke |
| 0-1 | 46 | 2018 | Aeroflot Open | E00 Queen's Pawn Game |
| 75. A Gallego Alcaraz vs S Lomasov |
| ½-½ | 35 | 2018 | Aeroflot Open | E17 Queen's Indian |
Kibitzing
