| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M Ortiz vs E Hernandez |
| 0-1 | 44 | 2013 | Panama Open | B31 Sicilian, Rossolimo Variation |
| 27. M Ortiz vs N Miezis |
| 0-1 | 36 | 2014 | Tromso Olympiad | B43 Sicilian, Kan, 5.Nc3 |
| 28. M Ortiz vs D Chinasamy |
 | 1-0 | 25 | 2014 | Tromso Olympiad | B27 Sicilian |
| 29. M Ortiz vs P Khetho |
| 1-0 | 32 | 2014 | Tromso Olympiad | B06 Robatsch |
| 30. O Berg vs M Ortiz |
| 0-1 | 39 | 2014 | Tromso Olympiad | B23 Sicilian, Closed |
| 31. M Ortiz vs M Parligras |
| 1-0 | 46 | 2014 | Tromso Olympiad | B12 Caro-Kann Defense |
| 32. Ali Syed Ahmad vs M Ortiz |
| ½-½ | 23 | 2014 | Tromso Olympiad | B23 Sicilian, Closed |
| 33. S Minero Pineda vs M Ortiz |
| 1-0 | 58 | 2014 | Tromso Olympiad | E63 King's Indian, Fianchetto, Panno Variation |
| 34. P Aizpurua vs M Ortiz |
| 1-0 | 47 | 2014 | Tromso Olympiad | A05 Reti Opening |
| 35. K Knowles vs M Ortiz |
| 0-1 | 25 | 2014 | Tromso Olympiad | E75 King's Indian, Averbakh, Main line |
| 36. M Ortiz vs I R Ortiz Suarez |
| 0-1 | 28 | 2016 | Baku Olympiad | B94 Sicilian, Najdorf |
| 37. Kshitiz Bhandari vs M Ortiz |
| 0-1 | 36 | 2016 | Baku Olympiad | E64 King's Indian, Fianchetto, Yugoslav System |
| 38. M Ortiz vs L Rodi |
| 1-0 | 37 | 2016 | Baku Olympiad | C70 Ruy Lopez |
| 39. M Ortiz vs R J Dive |
| ½-½ | 66 | 2016 | Baku Olympiad | C42 Petrov Defense |
| 40. M Ortiz vs P Pazos Gambarrotti |
| 0-1 | 39 | 2016 | Baku Olympiad | B60 Sicilian, Richter-Rauzer |
| 41. A Filippov vs M Ortiz |
| 1-0 | 36 | 2016 | Baku Olympiad | E77 King's Indian |
| 42. M Ortiz vs Amin Kabilov |
| 0-1 | 73 | 2016 | Baku Olympiad | C65 Ruy Lopez, Berlin Defense |
| 43. Inguh Kim vs M Ortiz |
| 0-1 | 66 | 2016 | Baku Olympiad | A48 King's Indian |
| 44. M Ortiz vs P Constantinou |
| 1-0 | 39 | 2016 | Baku Olympiad | B32 Sicilian |
| 45. M Ortiz vs L Valdes |
| 0-1 | 61 | 2016 | Baku Olympiad | C42 Petrov Defense |
| 46. M Ortiz vs D Dacres |
| 1-0 | 33 | 2020 | FIDE Online Olympiad | B12 Caro-Kann Defense |
| 47. D Rowe vs M Ortiz |
| 1-0 | 48 | 2020 | FIDE Online Olympiad | B12 Caro-Kann Defense |
| 48. A J Chinchilla vs M Ortiz |
| 1-0 | 47 | 2020 | FIDE Online Olympiad | A01 Nimzovich-Larsen Attack |
| 49. Taffin Khan vs M Ortiz |
| 0-1 | 53 | 2020 | FIDE Online Olympiad | A48 King's Indian |
| 50. R Harper vs M Ortiz |
| ½-½ | 68 | 2020 | FIDE Online Olympiad | B12 Caro-Kann Defense |
Kibitzing
