| Jan 22, 2024 | Jose Fernando Cuenca Jimenez | 1–0 | Lucas Fonseca Piccoli | Round 4: Jose Fernando Cuenca Jimenez - Lucas Fonseca Piccoli | Indian Defense | |
| Jan 16, 2024 | Lucas Fonseca Piccoli | 0–1 | Renato R. Quintiliano Pinto | Round 7: Lucas Fonseca Piccoli - Renato R. Quintiliano Pinto | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Nov 10, 2023 | Lucas Fonseca Piccoli | 0–1 | Faustino Oro | Round 8: Lucas Fonseca Piccoli - Faustino Oro | English Opening: Four Knights System, Nimzowitsch Variation | |
| Nov 8, 2023 | Lucas Costamilan Tomiello | 1–0 | Lucas Fonseca Piccoli | Round 5: Lucas Costamilan Tomiello - Lucas Fonseca Piccoli | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Nov 8, 2023 | Lucas Fonseca Piccoli | ½–½ | Luigy Lira De Siqueira | Round 4: Lucas Fonseca Piccoli - Luigy Lira De Siqueira | Italian Game: Giuoco Pianissimo, Normal | |
| Sep 7, 2023 | Everaldo Matsuura | 1–0 | Lucas Fonseca Piccoli | Round 5: Everaldo Matsuura - Lucas Fonseca Piccoli | Indian Defense: Normal Variation | |
| Sep 6, 2023 | Lucas Fonseca Piccoli | ½–½ | Armen Proudian | Round 4: Lucas Fonseca Piccoli - Armen Proudian | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Jul 15, 2023 | Christopher Munoz Ramos | 1–0 | Lucas Fonseca Piccoli | Round 9: Christopher Munoz Ramos - Lucas Fonseca Piccoli | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Jul 15, 2023 | Lucas Fonseca Piccoli | 0–1 | Juan Sebastian Melian | Round 8: Lucas Fonseca Piccoli - Juan Sebastian Melian | Catalan Opening: Open Defense, Classical Line | |
| Jul 14, 2023 | Lucas Fonseca Piccoli | 0–1 | Nathan Felipe Filgueiras | Round 7: Lucas Fonseca Piccoli - Nathan Felipe Filgueiras | Sicilian Defense: Lasker-Pelikan Variation, Bird Variation | |
| Jul 13, 2023 | Andres Santiago Garzon Camelo | 0–1 | Lucas Fonseca Piccoli | Round 6: Andres Santiago Garzon Camelo - Lucas Fonseca Piccoli | Caro-Kann Defense: Tartakower Variation | |
| Jul 12, 2023 | Lucas Fonseca Piccoli | ½–½ | Leonardo Ballesteros Cardenas | Round 5: Lucas Fonseca Piccoli - Leonardo Ballesteros Cardenas | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 12, 2023 | Juan Esteban Cabiativa | 0–1 | Lucas Fonseca Piccoli | Round 4: Juan Esteban Cabiativa - Lucas Fonseca Piccoli | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Jul 11, 2023 | Lucas Fonseca Piccoli | 1–0 | Jacobo Puerta Rendon | Round 3: Lucas Fonseca Piccoli - Jacobo Puerta Rendon | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Jul 11, 2023 | Jorge Perez rojas | ½–½ | Lucas Fonseca Piccoli | Round 2: Jorge Perez rojas - Lucas Fonseca Piccoli | Caro-Kann Defense: Breyer Variation | |
| Jul 10, 2023 | Lucas Fonseca Piccoli | 1–0 | Lucas Garmendia Vega | Round 1: Lucas Fonseca Piccoli - Lucas Garmendia Vega | English Opening: Symmetrical Variation | |
| Jun 24, 2023 | Jose Fernando Cubas | 1–0 | Lucas Fonseca Piccoli | Round 8: Jose Fernando Cubas - Lucas Fonseca Piccoli | Sicilian Defense: Old Sicilian | |
| Jun 23, 2023 | Lucas Fonseca Piccoli | ½–½ | Everaldo Matsuura | Round 7: Lucas Fonseca Piccoli - Everaldo Matsuura | Sicilian Defense: Godiva Variation | |
| Jun 20, 2023 | Lucas Fonseca Piccoli | ½–½ | Felipe De Cresce El Debs | Round 4: Lucas Fonseca Piccoli - Felipe De Cresce El Debs | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jun 19, 2023 | Diego Rafael Di Berardino | ½–½ | Lucas Fonseca Piccoli | Round 3: Diego Rafael Di Berardino - Lucas Fonseca Piccoli | Bogo-Indian Defense: Exchange Variation | |
| Jun 17, 2023 | Lucas Fonseca Piccoli | ½–½ | Krikor Sevag Mekhitarian | Round 8: Lucas Fonseca Piccoli - Krikor Sevag Mekhitarian | French Defense: Advance Variation, Euwe Variation | |
| Jun 17, 2023 | Lucas Fonseca Piccoli | 0–1 | Bachmann Axel | Round 3: Lucas Fonseca Piccoli - Bachmann Axel | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jan 25, 2022 | Krikor Sevag Mekhitarian | 1–0 | Lucas Fonseca Piccoli | Round 3: Krikor Sevag Mekhitarian - Lucas Fonseca Piccoli | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |