| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. T Sosa vs A Zapata |
 | ½-½ | 76 | 2017 | PRO Chess League (Atlantic) | B22 Sicilian, Alapin |
| 27. R Francisco vs T Sosa |
| 1-0 | 79 | 2017 | PRO Chess League (Atlantic) | B31 Sicilian, Rossolimo Variation |
| 28. D Gurevich vs T Sosa |
| 1-0 | 54 | 2017 | PRO Chess League (Atlantic) | C77 Ruy Lopez |
| 29. S Mareco vs T Sosa |
| 1-0 | 36 | 2017 | 1st Marcel Duchamp Cup | A13 English |
| 30. F Restuccia vs T Sosa |
| 0-1 | 21 | 2017 | Zonal 2.5 | B25 Sicilian, Closed |
| 31. T Sosa vs D Flores |
| 0-1 | 58 | 2017 | Jorge Szmetan Mem | C50 Giuoco Piano |
| 32. S Mareco vs T Sosa |
| 1-0 | 45 | 2017 | Jorge Szmetan Mem | E94 King's Indian, Orthodox |
| 33. P Jodorcovsky Werjivker vs T Sosa |
| ½-½ | 42 | 2017 | Zonal 2.5 | D35 Queen's Gambit Declined |
| 34. T Sosa vs R Zacarias |
| 1-0 | 55 | 2017 | Zonal 2.5 | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 35. C Dolezal vs T Sosa |
| ½-½ | 65 | 2017 | Zonal 2.5 | D35 Queen's Gambit Declined |
| 36. T Sosa vs R Benoit |
| ½-½ | 50 | 2017 | Zonal 2.5 | C91 Ruy Lopez, Closed |
| 37. T Sosa vs S Slipak |
| ½-½ | 62 | 2017 | Zonal 2.5 | C43 Petrov, Modern Attack |
| 38. R Hungaski vs T Sosa |
| 0-1 | 38 | 2017 | Ferro Carril Oeste Master | A13 English |
| 39. D Flores vs T Sosa |
| 1-0 | 74 | 2017 | 92nd ch-ARG | A10 English |
| 40. T Sosa vs L Krysa |
| ½-½ | 19 | 2017 | 92nd ch-ARG | C53 Giuoco Piano |
| 41. T Sosa vs F Perez Ponsa |
| ½-½ | 42 | 2017 | 92nd ch-ARG | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 42. J F Pierrot vs T Sosa |
| 0-1 | 48 | 2017 | 92nd ch-ARG | B30 Sicilian |
| 43. T Sosa vs S Mareco |
| 1-0 | 42 | 2017 | 92nd ch-ARG | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 44. M Villanueva vs T Sosa |
| ½-½ | 65 | 2017 | 92nd ch-ARG | C78 Ruy Lopez |
| 45. T Sosa vs D Valerga |
| ½-½ | 37 | 2017 | 92nd ch-ARG | B03 Alekhine's Defense |
| 46. P I Acosta vs T Sosa |
| ½-½ | 27 | 2017 | 92nd ch-ARG | A53 Old Indian |
| 47. T Sosa vs E Cuberli |
| 1-0 | 43 | 2017 | 92nd ch-ARG | C78 Ruy Lopez |
| 48. S Slipak vs T Sosa |
| ½-½ | 16 | 2017 | 92nd ch-ARG | A21 English |
| 49. T Sosa vs R Sezdbekov |
| 1-0 | 31 | 2017 | World Junior Championship | C43 Petrov, Modern Attack |
| 50. R Haria vs T Sosa |
| 1-0 | 42 | 2017 | World Junior Championship | E67 King's Indian, Fianchetto |
Kibitzing
