| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. S Kathmale vs N Maatman |
| 1-0 | 70 | 2017 | Groningen Open | C01 French, Exchange |
| 52. N Maatman vs L van Foreest |
| 0-1 | 39 | 2018 | Dutch Open | A07 King's Indian Attack |
| 53. R van Helvoort vs N Maatman |
| 0-1 | 43 | 2018 | Dutch Open | A48 King's Indian |
| 54. N Maatman vs L Krysa |
| 1-0 | 40 | 2018 | Dutch Open | E34 Nimzo-Indian, Classical, Noa Variation |
| 55. E van den Doel vs N Maatman |
| ½-½ | 41 | 2018 | Dutch Open | A48 King's Indian |
| 56. N Maatman vs K Leenhouts |
| ½-½ | 113 | 2018 | Dutch Open | A57 Benko Gambit |
| 57. T Beerdsen vs N Maatman |
| 1-0 | 24 | 2018 | Dutch Open | C00 French Defense |
| 58. N Maatman vs I Ivanisevic |
| 0-1 | 68 | 2018 | Dutch Open | E34 Nimzo-Indian, Classical, Noa Variation |
| 59. K Krishnater vs N Maatman |
| ½-½ | 12 | 2018 | Dutch Open | A70 Benoni, Classical with 7.Nf3 |
| 60. J Zwirs vs N Maatman |
| 0-1 | 26 | 2018 | Groningen Open | C16 French, Winawer |
| 61. N Maatman vs R Pruijssers |
| 0-1 | 33 | 2018 | Groningen Open | A80 Dutch |
| 62. S van Roon vs N Maatman |
| 0-1 | 27 | 2018 | Groningen Open | C02 French, Advance |
| 63. N Maatman vs E de Boer |
| 1-0 | 49 | 2018 | Groningen Open | E71 King's Indian, Makagonov System (5.h3) |
| 64. M Warmerdam vs N Maatman |
| ½-½ | 27 | 2018 | Groningen Open | C18 French, Winawer |
| 65. N Maatman vs V Plat |
| ½-½ | 46 | 2018 | Groningen Open | D85 Grunfeld |
| 66. A Kislinsky vs N Maatman |
| 0-1 | 41 | 2018 | Groningen Open | C00 French Defense |
| 67. N Maatman vs Krasenkow |
| 1-0 | 82 | 2018 | Groningen Open | D43 Queen's Gambit Declined Semi-Slav |
| 68. O Ladva vs N Maatman |
| 1-0 | 87 | 2018 | Groningen Open | A15 English |
| 69. N Maatman vs N Pienabarca |
| 1-0 | 23 | 2019 | Groningen Open | A70 Benoni, Classical with 7.Nf3 |
| 70. Krasenkow vs N Maatman |
| 1-0 | 33 | 2019 | Groningen Open | D37 Queen's Gambit Declined |
| 71. N Maatman vs J Kokje |
| ½-½ | 41 | 2019 | Groningen Open | E73 King's Indian |
| 72. T Grutter vs N Maatman |
| 0-1 | 39 | 2019 | Groningen Open | B10 Caro-Kann |
| 73. N Maatman vs I Maris |
| ½-½ | 24 | 2019 | Groningen Open | B07 Pirc |
| 74. G Zhou vs N Maatman |
| 1-0 | 73 | 2019 | Groningen Open | C02 French, Advance |
| 75. N Maatman vs J Balje |
| ½-½ | 38 | 2019 | Groningen Open | C55 Two Knights Defense |
Kibitzing
