| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. G Jankovskis vs M Mustaps |
| 1-0 | 19 | 2017 | ch-LAT | E61 King's Indian |
| 27. M Mustaps vs K Kretainis |
| ½-½ | 14 | 2017 | ch-LAT | C47 Four Knights |
| 28. M Mustaps vs N Meshkovs |
| ½-½ | 81 | 2017 | TCh-LAT | B46 Sicilian, Taimanov Variation |
| 29. M Mustaps vs O Krivonosov |
| ½-½ | 6 | 2017 | TCh-LAT | C46 Three Knights |
| 30. G Grigorov vs M Mustaps |
| 1-0 | 49 | 2017 | TCh-LAT | A49 King's Indian, Fianchetto without c4 |
| 31. M Mustaps vs A Volodin |
 | ½-½ | 2 | 2017 | TCh-LAT | B30 Sicilian |
| 32. Kovalenko vs M Mustaps |
| 1-0 | 37 | 2017 | Olaine Open Rapid | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 33. M Mustaps vs N Miezis |
| 1-0 | 38 | 2017 | Olaine Open Rapid | A07 King's Indian Attack |
| 34. M Mustaps vs S Sinauridze |
| 1-0 | 28 | 2018 | Latvian Championship | B01 Scandinavian |
| 35. M Mustaps vs V Samolins |
| 1-0 | 30 | 2018 | Latvian Championship | C70 Ruy Lopez |
| 36. I Semjonovs vs M Mustaps |
| ½-½ | 28 | 2018 | Latvian Championship | A07 King's Indian Attack |
| 37. A Neiksans vs M Mustaps |
| 0-1 | 46 | 2018 | Latvian Championship | B30 Sicilian |
| 38. M Mustaps vs N Meshkovs |
| 0-1 | 50 | 2018 | Latvian Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 39. R Berzinsh vs M Mustaps |
| ½-½ | 37 | 2018 | Latvian Championship | A45 Queen's Pawn Game |
| 40. O Krivonosov vs M Mustaps |
| ½-½ | 12 | 2018 | Latvian Championship | E92 King's Indian |
| 41. M Mustaps vs I Starostits |
| ½-½ | 6 | 2018 | Latvian Championship | B12 Caro-Kann Defense |
| 42. E Mierins vs M Mustaps |
| 1-0 | 62 | 2018 | Latvian Championship | B30 Sicilian |
| 43. M Mustaps vs R Jumabayev |
| 0-1 | 53 | 2019 | Tal Memorial Rapid | B57 Sicilian |
| 44. M Mustaps vs H A Gretarsson |
| 0-1 | 41 | 2019 | European Blitz | B06 Robatsch |
| 45. H A Gretarsson vs M Mustaps |
| 1-0 | 54 | 2019 | European Blitz | E70 King's Indian |
| 46. M Mustaps vs A Esipenko |
| 0-1 | 47 | 2019 | European Blitz | C77 Ruy Lopez |
| 47. A Esipenko vs M Mustaps |
| 1-0 | 36 | 2019 | European Blitz | E94 King's Indian, Orthodox |
| 48. M Mustaps vs I Caspi |
| ½-½ | 67 | 2020 | FIDE Online Olympiad | C60 Ruy Lopez |
| 49. M Mustaps vs Tupfah Khumnorkaew |
| 1-0 | 21 | 2020 | FIDE Online Olympiad | C70 Ruy Lopez |
| 50. L Handler vs M Mustaps |
| 1-0 | 59 | 2020 | FIDE Online Olympiad | E73 King's Indian |
Kibitzing
