| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. E Boldoo vs M Mostertman |
| ½-½ | 45 | 2024 | Biel Master Open | D30 Queen's Gambit Declined |
| 77. M Mostertman vs C M Arsenie |
| 1-0 | 37 | 2024 | Biel Master Open | B90 Sicilian, Najdorf |
| 78. T Toktomushev vs M Mostertman |
| 1-0 | 67 | 2024 | Biel Master Open | D45 Queen's Gambit Declined Semi-Slav |
| 79. M Mostertman vs R Leenes |
| 1-0 | 33 | 2024 | Hoogeveen Open | B01 Scandinavian |
| 80. S Gupta vs M Mostertman |
| 1-0 | 44 | 2024 | Hoogeveen Open | B53 Sicilian |
| 81. M Mostertman vs I Kukushkin |
| ½-½ | 55 | 2024 | Hoogeveen Open | B22 Sicilian, Alapin |
| 82. M de Wit vs M Mostertman |
| 1-0 | 20 | 2024 | Hoogeveen Open | D43 Queen's Gambit Declined Semi-Slav |
| 83. M Mostertman vs M Wildschut |
| 1-0 | 40 | 2024 | Hoogeveen Open | C09 French, Tarrasch, Open Variation, Main line |
| 84. J Boeren vs M Mostertman |
| ½-½ | 19 | 2024 | Hoogeveen Open | B62 Sicilian, Richter-Rauzer |
| 85. T Bruggink vs M Mostertman |
| 0-1 | 54 | 2024 | Hoogeveen Open | B25 Sicilian, Closed |
| 86. M Mostertman vs M Govoreanu |
| 1-0 | 57 | 2024 | Hoogeveen Open | B32 Sicilian |
| 87. M Mostertman vs A de Winter |
| ½-½ | 39 | 2024 | Hoogeveen Open | B12 Caro-Kann Defense |
| 88. M Mostertman vs V Kazakouski |
| ½-½ | 52 | 2024 | Groningen Open | B90 Sicilian, Najdorf |
| 89. S Mitusov vs M Mostertman |
| 1-0 | 72 | 2024 | Groningen Open | C11 French |
| 90. M Mostertman vs R Duson |
| 1-0 | 71 | 2024 | Groningen Open | C46 Three Knights |
| 91. M Mostertman vs T Stijve |
| ½-½ | 47 | 2024 | Groningen Open | C03 French, Tarrasch |
| 92. Z Kollen vs M Mostertman |
| 1-0 | 57 | 2024 | Groningen Open | C65 Ruy Lopez, Berlin Defense |
| 93. M Mostertman vs Nepomniachtchi |
| 0-1 | 20 | 2025 | Grenke Freestyle Open | 000 Chess variants |
| 94. M Pantzar vs M Mostertman |
| 0-1 | 44 | 2025 | Grenke Freestyle Open | 000 Chess variants |
| 95. M Mostertman vs S Grigoriants |
| ½-½ | 23 | 2025 | Grenke Freestyle Open | 000 Chess variants |
Kibitzing
