| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A Biryukov vs P de Leon |
| ½-½ | 40 | 2014 | Tromso Olympiad (Women) | C16 French, Winawer |
| 27. P de Leon vs T Enarevba |
| 1-0 | 59 | 2014 | Tromso Olympiad (Women) | D20 Queen's Gambit Accepted |
| 28. J Naumann vs P de Leon |
| 0-1 | 19 | 2014 | Tromso Olympiad (Women) | A25 English |
| 29. P de Leon vs B Hund |
| 0-1 | 37 | 2014 | Tromso Olympiad (Women) | E11 Bogo-Indian Defense |
| 30. N Antonova vs P de Leon |
| 1-0 | 44 | 2014 | Tromso Olympiad (Women) | A04 Reti Opening |
| 31. P de Leon vs D Mirza |
| 1-0 | 46 | 2014 | Tromso Olympiad (Women) | A49 King's Indian, Fianchetto without c4 |
| 32. M Levacic vs P de Leon |
| 1-0 | 36 | 2014 | Tromso Olympiad (Women) | C00 French Defense |
| 33. P de Leon vs A Moratorio |
| ½-½ | 26 | 2018 | Marcel Duchamp Open | D10 Queen's Gambit Declined Slav |
| 34. E Cimer vs P de Leon |
| 1-0 | 29 | 2018 | Marcel Duchamp Open | C00 French Defense |
| 35. P de Leon vs H van Riemsdijk |
| 0-1 | 43 | 2018 | Marcel Duchamp Open | A59 Benko Gambit |
| 36. W Dominguez Orono vs P de Leon |
| 0-1 | 29 | 2018 | Marcel Duchamp Open | C05 French, Tarrasch |
| 37. P de Leon vs G Carvalho |
| 0-1 | 38 | 2018 | Marcel Duchamp Open | D34 Queen's Gambit Declined, Tarrasch |
| 38. E Campora vs P de Leon |
| 0-1 | 18 | 2018 | Marcel Duchamp Open | C00 French Defense |
| 39. S Granara Barreto vs P de Leon |
| 1-0 | 41 | 2018 | Marcel Duchamp Open | A27 English, Three Knights System |
| 40. A Zatonskih vs P de Leon |
| 1-0 | 60 | 2018 | Batumi Olympiad (Women) | C10 French |
| 41. P de Leon vs S Ravelomanana |
 | 1-0 | 95 | 2018 | Batumi Olympiad (Women) | D06 Queen's Gambit Declined |
| 42. A Nouman vs P de Leon |
| ½-½ | 24 | 2018 | Batumi Olympiad (Women) | C10 French |
| 43. P de Leon vs Eyhab Rawan |
| 1-0 | 74 | 2018 | Batumi Olympiad (Women) | D10 Queen's Gambit Declined Slav |
| 44. D Premanath vs P de Leon |
| ½-½ | 74 | 2018 | Batumi Olympiad (Women) | C00 French Defense |
| 45. P de Leon vs T Dornbusch |
| ½-½ | 62 | 2018 | Batumi Olympiad (Women) | A58 Benko Gambit |
| 46. M Nasriddinzoda vs P de Leon |
| 1-0 | 30 | 2018 | Batumi Olympiad (Women) | D57 Queen's Gambit Declined, Lasker Defense |
| 47. P de Leon vs M Narva |
| 0-1 | 55 | 2018 | Batumi Olympiad (Women) | D50 Queen's Gambit Declined |
| 48. D Cordero vs P de Leon |
| ½-½ | 60 | 2020 | FIDE Online Olympiad | A48 King's Indian |
| 49. P de Leon vs D Vazquez Maccarini |
| 1-0 | 23 | 2020 | FIDE Online Olympiad | A70 Benoni, Classical with 7.Nf3 |
| 50. P de Leon vs R Brown |
| 1-0 | 49 | 2020 | FIDE Online Olympiad | E83 King's Indian, Samisch |
Kibitzing
