| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 126. R Quintiliano Pinto vs M Villanueva |
| 1-0 | 20 | 2018 | 22nd Copa Mercosur | A13 English |
| 127. M Villanueva vs D Di Berardino |
| ½-½ | 39 | 2018 | 22nd Copa Mercosur | B27 Sicilian |
| 128. D Valerga vs M Villanueva |
| ½-½ | 73 | 2018 | 22nd Copa Mercosur | A00 Uncommon Opening |
| 129. M Villanueva vs T Sosa |
| ½-½ | 32 | 2018 | 22nd Copa Mercosur | C84 Ruy Lopez, Closed |
| 130. P Salinas Herrera vs M Villanueva |
| 0-1 | 39 | 2018 | 22nd Copa Mercosur | D31 Queen's Gambit Declined |
| 131. M Villanueva vs S Slipak |
| ½-½ | 29 | 2018 | 22nd Copa Mercosur | B01 Scandinavian |
| 132. M Villanueva vs A Rodriguez Vila |
| ½-½ | 35 | 2019 | Szmetan-Giardelli ITT GM | C03 French, Tarrasch |
| 133. G Mahia vs M Villanueva |
| 0-1 | 42 | 2019 | Szmetan-Giardelli ITT GM | C12 French, McCutcheon |
| 134. M Villanueva vs A Sorin |
| 1-0 | 38 | 2019 | Szmetan-Giardelli ITT GM | C83 Ruy Lopez, Open |
| 135. M J Tempone vs M Villanueva |
| ½-½ | 13 | 2019 | Szmetan-Giardelli ITT GM | E16 Queen's Indian |
| 136. M Villanueva vs H van Riemsdijk |
| ½-½ | 42 | 2019 | Szmetan-Giardelli ITT GM | C97 Ruy Lopez, Closed, Chigorin |
| 137. M Villanueva vs S Iermito |
| ½-½ | 40 | 2019 | Szmetan-Giardelli ITT GM | B48 Sicilian, Taimanov Variation |
| 138. H Saldano Dayer vs M Villanueva |
| 1-0 | 48 | 2019 | Szmetan-Giardelli ITT GM | A15 English |
| 139. M Villanueva vs J Sunye Neto |
| 1-0 | 54 | 2019 | Szmetan-Giardelli ITT GM | B80 Sicilian, Scheveningen |
| 140. L Coro vs M Villanueva |
| ½-½ | 29 | 2019 | Szmetan-Giardelli ITT GM | C11 French |
| 141. M Villanueva vs J J Romero Barreto |
| 1-0 | 36 | 2019 | Szmetan-Giardelli ITT GM | C91 Ruy Lopez, Closed |
| 142. D Valerga vs M Villanueva |
| ½-½ | 16 | 2019 | Szmetan-Giardelli ITT GM | C12 French, McCutcheon |
| 143. T Harutyunian vs M Villanueva |
| 1-0 | 27 | 2019 | 8th Lorca Open | E16 Queen's Indian |
| 144. G M Martin Carmona vs M Villanueva |
| ½-½ | 43 | 2020 | 31st Roquetas de Mar Open | E12 Queen's Indian |
| 145. M Villanueva vs So |
| 0-1 | 41 | 2020 | PRO League Stage | B90 Sicilian, Najdorf |
| 146. M Villanueva vs R Domingo Nunez |
| ½-½ | 48 | 2021 | Valencia Cuna Open | B48 Sicilian, Taimanov Variation |
| 147. I Starostits vs M Villanueva |
| 0-1 | 38 | 2021 | I Jerez Culture IM | C12 French, McCutcheon |
| 148. R Domingo Nunez vs M Villanueva |
| 1-0 | 54 | 2021 | I Jerez Culture IM | A04 Reti Opening |
| 149. M Villanueva vs S Mareco |
| ½-½ | 38 | 2021 | Liga Nacional Superior | C78 Ruy Lopez |
| 150. S Slipak vs M Villanueva |
| ½-½ | 29 | 2023 | Magistral 70 Panno WCh | E12 Queen's Indian |
Kibitzing
