| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M Murara vs M Walker |
 | 0-1 | 31 | 2018 | Batumi Olympiad | D02 Queen's Pawn Game |
| 27. H A Gretarsson vs M Walker |
| 0-1 | 29 | 2018 | Batumi Olympiad | A34 English, Symmetrical |
| 28. M Walker vs B Saeheng |
| ½-½ | 72 | 2018 | Batumi Olympiad | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 29. Al Hor Salih vs M Walker |
| 0-1 | 25 | 2018 | Batumi Olympiad | A45 Queen's Pawn Game |
| 30. M Walker vs A Al Badani |
| 1-0 | 53 | 2018 | Batumi Olympiad | C05 French, Tarrasch |
| 31. M Walker vs B Roselli Mailhe |
| ½-½ | 74 | 2018 | Batumi Olympiad | C03 French, Tarrasch |
| 32. O Balogun vs M Walker |
| ½-½ | 51 | 2018 | Batumi Olympiad | B02 Alekhine's Defense |
| 33. A Gschnitzer vs M Walker |
| 0-1 | 45 | 2019 | London Chess Classic Open | C26 Vienna |
| 34. M Walker vs A Cherniaev |
| 0-1 | 41 | 2019 | London Chess Classic Open | B06 Robatsch |
| 35. A C Taylor vs M Walker |
| ½-½ | 59 | 2019 | London Chess Classic Open | A15 English |
| 36. M Walker vs N Bradbury |
| ½-½ | 52 | 2019 | London Chess Classic Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 37. B Clarke vs M Walker |
| 1-0 | 41 | 2019 | London Chess Classic Open | B04 Alekhine's Defense, Modern |
| 38. M Walker vs P Korning |
| ½-½ | 41 | 2019 | London Chess Classic Open | C84 Ruy Lopez, Closed |
| 39. M Chapman vs M Walker |
| 0-1 | 42 | 2019 | London Chess Classic Open | D03 Torre Attack (Tartakower Variation) |
| 40. M Walker vs E O Risting |
| ½-½ | 53 | 2019 | London Chess Classic Open | B13 Caro-Kann, Exchange |
| 41. Z Martic vs M Walker |
| ½-½ | 43 | 2021 | FSIM November | A01 Nimzovich-Larsen Attack |
| 42. M Walker vs S B Hansen |
| 0-1 | 51 | 2021 | FSIM November | B31 Sicilian, Rossolimo Variation |
| 43. M Lyell vs M Walker |
| 0-1 | 53 | 2021 | FSIM November | B04 Alekhine's Defense, Modern |
| 44. M Walker vs Sahithi Varshini M |
| ½-½ | 40 | 2021 | FSIM November | B31 Sicilian, Rossolimo Variation |
| 45. M Chakravarthi Reddy vs M Walker |
| 1-0 | 102 | 2021 | FSIM November | A34 English, Symmetrical |
| 46. M Walker vs T Adarsh |
| 1-0 | 53 | 2021 | FSIM November | B90 Sicilian, Najdorf |
| 47. A Bossy vs M Walker |
| 0-1 | 82 | 2021 | FSIM November | D02 Queen's Pawn Game |
| 48. N M To vs M Walker |
| 1-0 | 55 | 2021 | FSIM November | A06 Reti Opening |
| 49. M Walker vs W Graif |
| 1-0 | 37 | 2021 | FSIM November | B31 Sicilian, Rossolimo Variation |
| 50. K Borsuk vs M Walker |
| 1-0 | 56 | 2021 | FSIM November | D83 Grunfeld, Grunfeld Gambit |
Kibitzing
