| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M Katkov vs A M Koubova |
| 0-1 | 54 | 2021 | European Championship (Women) | C07 French, Tarrasch |
| 27. R Levitan vs M Katkov |
| 1-0 | 64 | 2021 | European Championship (Women) | C49 Four Knights |
| 28. M Katkov vs A Muetsch |
| 0-1 | 37 | 2021 | Online Olympiad Top DivC | C41 Philidor Defense |
| 29. N Zhukova vs M Katkov |
| 0-1 | 39 | 2021 | European Team Championship (Women) | E12 Queen's Indian |
| 30. M Katkov vs V Mihelic |
| 1-0 | 38 | 2021 | European Team Championship (Women) | C53 Giuoco Piano |
| 31. H Hauksdottir vs M Katkov |
| 0-1 | 97 | 2021 | European Team Championship (Women) | C53 Giuoco Piano |
| 32. M Katkov vs A Navrotescu |
| 1-0 | 51 | 2021 | European Team Championship (Women) | B22 Sicilian, Alapin |
| 33. M Spalir vs M Katkov |
| ½-½ | 45 | 2021 | European Team Championship (Women) | C53 Giuoco Piano |
| 34. M Katkov vs A Ciolacu |
| 0-1 | 35 | 2021 | European Team Championship (Women) | B22 Sicilian, Alapin |
| 35. N Mayrhuber vs M Katkov |
| 1-0 | 56 | 2021 | European Team Championship (Women) | E20 Nimzo-Indian |
| 36. M Katkov vs M Calzetta |
| ½-½ | 55 | 2021 | European Team Championship (Women) | B25 Sicilian, Closed |
| 37. P Vujnovic vs M Katkov |
| ½-½ | 61 | 2021 | European Team Championship (Women) | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 38. I Utiatskaja vs M Katkov |
| 1-0 | 39 | 2021 | World Rapid Championship (Women) | C50 Giuoco Piano |
| 39. M Katkov vs G Strutinskaia |
| 0-1 | 29 | 2021 | World Rapid Championship (Women) | B22 Sicilian, Alapin |
| 40. J Movsesian vs M Katkov |
| 1-0 | 46 | 2021 | World Rapid Championship (Women) | A04 Reti Opening |
| 41. M Katkov vs V Loskutova |
| 1-0 | 57 | 2021 | World Rapid Championship (Women) | B22 Sicilian, Alapin |
| 42. M Yakimova vs M Katkov |
| ½-½ | 72 | 2021 | World Rapid Championship (Women) | E04 Catalan, Open, 5.Nf3 |
| 43. M Katkov vs N Maisuradze |
| 0-1 | 41 | 2021 | World Rapid Championship (Women) | B22 Sicilian, Alapin |
| 44. A Jakubowska vs M Katkov |
| 1-0 | 70 | 2021 | World Rapid Championship (Women) | C26 Vienna |
| 45. M Katkov vs Klara Szczotka |
| 0-1 | 73 | 2021 | World Rapid Championship (Women) | B22 Sicilian, Alapin |
| 46. M Katkov vs S Gaboyan |
| ½-½ | 55 | 2021 | World Rapid Championship (Women) | B22 Sicilian, Alapin |
| 47. M Efimenko vs M Katkov |
| 1-0 | 36 | 2021 | World Rapid Championship (Women) | C77 Ruy Lopez |
| 48. M Katkov vs E Ovod |
| 0-1 | 48 | 2021 | World Blitz Championship (Women) | C53 Giuoco Piano |
| 49. B Goraj vs M Katkov |
| 1-0 | 37 | 2021 | World Blitz Championship (Women) | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 50. M Katkov vs A Rakhmangulova |
| ½-½ | 49 | 2021 | World Blitz Championship (Women) | B01 Scandinavian |
Kibitzing
