| Oct 10, 2025 | Marcelo Aguinaga | 1–0 | Santiago Perez | Round 6: Marcelo Aguinaga, Angel Leonel - Santiago Perez, Luis Yamil | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| Oct 10, 2025 | Santiago Perez | 0–1 | Alvarado Zamora | Round 5: Santiago Perez, Luis Yamil - Alvarado Zamora, Albert | Modern Defense | |
| Oct 9, 2025 | Delgado Romero | 1–0 | Santiago Perez | Round 4: Delgado Romero, Marco - Santiago Perez, Luis Yamil | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Oct 9, 2025 | Santiago Perez | 1–0 | Quirhuayo Chumbe | Round 3: Santiago Perez, Luis Yamil - Quirhuayo Chumbe, German Gonzalo | Sicilian Defense: Kalashnikov Variation | |
| Oct 8, 2025 | Infantas Arevalo | 0–1 | Santiago Perez | Round 2: Infantas Arevalo, Thiago Edu - Santiago Perez, Luis Yamil | Queen's Indian Defense: Fianchetto Variation, Sämisch Variation | |
| Oct 8, 2025 | Santiago Perez | 1–0 | Guerrero Garcia | Round 1: Santiago Perez, Luis Yamil - Guerrero Garcia, Said Claudio | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 31, 2025 | Zhao | ½–½ | Santiago Perez | Round 6: Zhao, Jifan - Santiago Perez, Luis Yamil | Sicilian Defense: French Variation | |
| Jul 30, 2025 | Sen | 1–0 | Santiago Perez | Round 4: Sen, Samant Robert - Santiago Perez, Luis Yamil | Sicilian Defense: Mengarini Variation | |
| Jul 29, 2025 | Santiago Perez | 1–0 | Jimenez Leyva | Round 3: Santiago Perez, Luis Yamil - Jimenez Leyva, Diego | Sicilian Defense: Prins Variation, Venice Attack | |
| May 7, 2024 | Santiago Perez | 0–1 | Palomino Quispe | Round 7: Santiago Perez, Luis Yamil - Palomino Quispe, Mateo Henry | Sicilian Defense: Hyperaccelerated Dragon | |
| Aug 6, 2021 | Santiago Perez | 1–0 | Giorgadze | World Youth Cup 2021 O12-G16 - Open 12 | French Defense: Exchange Variation | |
| Aug 6, 2021 | Santiago Perez | 0–1 | Bilegsaikhan | World Youth Cup 2021 O12-G16 - Open 12 | Four Knights Game: Italian Variation, Noa Gambit | |
| Aug 6, 2021 | Santiago Perez | 1–0 | Lavrishchev | World Youth Cup 2021 O12-G16 - Open 12 | French Defense: Exchange Variation | |
| Aug 6, 2021 | Santiago Perez | 0–1 | Ramos | World Youth Cup 2021 O12-G16 - Open 12 | Sicilian Defense: Alapin Variation | |
| Aug 6, 2021 | Santiago Perez | 1–0 | Ramos Irizarry | World Youth Cup 2021 O12-G16 - Open 12 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Aug 6, 2021 | Farias Jaque | 0–1 | Santiago Perez | World Youth Cup 2021 O12-G16 - Open 12 | Queen's Pawn Game: Accelerated London System | |
| Aug 6, 2021 | Shearsby | 1–0 | Santiago Perez | World Youth Cup 2021 O12-G16 - Open 12 | Sicilian Defense: French Variation | |
| Aug 6, 2021 | Glas | 1–0 | Santiago Perez | World Youth Cup 2021 O12-G16 - Open 12 | Sicilian Defense: Taimanov Variation, Normal Variation | |
| Aug 6, 2021 | Lopez Rodriguez | 1–0 | Santiago Perez | World Youth Cup 2021 O12-G16 - Open 12 | Sicilian Defense: Closed | |
| Aug 6, 2021 | Liew | 1–0 | Santiago Perez | World Youth Cup 2021 O12-G16 - Open 12 | Sicilian Defense: French Variation, Open | |
| — | Santiago Perez | 1–0 | Angeles Castillo | Round 7: Santiago Perez, Luis Yamil - Angeles Castillo, Bastian Missael Valentin | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| — | Karthi | 1–0 | Santiago Perez | Round 8: Karthi, Jashith - Santiago Perez, Luis Yamil | Nimzo-Indian Defense: Kmoch Variation | |
