| Dec 20, 2025 | Munoz Feliz | 1–0 | CLARK | Round 9: Munoz Feliz, Alejandro - CLARK, ARTY | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 19, 2025 | CLARK | 0–1 | Gradiz Menjivar | Round 8: CLARK, ARTY - Gradiz Menjivar, Oscar | Indian Defense: Knights Variation | |
| Dec 18, 2025 | CLARK | 1–0 | Jimenez Gamboa | Round 7: CLARK, ARTY - Jimenez Gamboa, Diego | Zukertort Opening | |
| Dec 18, 2025 | Reinhard Moller | 0–1 | CLARK | Round 6: Reinhard Moller, Friedrich Stefan - CLARK, ARTY | King's Indian Attack: Symmetrical Defense | |
| Dec 17, 2025 | CLARK | 1–0 | Rajpal | Round 5: CLARK, ARTY - Rajpal, Hriday | Sicilian Defense: Dragon Variation, Classical Variation | |
| Dec 16, 2025 | Garcia Chan | 1–0 | CLARK | Round 4: Garcia Chan, Pablo - CLARK, ARTY | Ponziani Opening: Jaenisch Counterattack | |
| Dec 16, 2025 | CLARK | 1–0 | Reynoso Almonte | Round 3: CLARK, ARTY - Reynoso Almonte, Owen | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Dec 15, 2025 | Patel | 1–0 | CLARK | Round 2: Patel, Yash - CLARK, ARTY | Owen Defense | |
| Sep 28, 2025 | Naula Gonzalez | 0–1 | CLARK | XXIV IRT Híbrido de Las Américas Sub-1800 2025 - U13 | Owen Defense | |
| Sep 28, 2025 | CLARK | 0–1 | Vargas Brito | XXIV IRT Híbrido de Las Américas Sub-1800 2025 - U13 | French Defense: Exchange Variation | |
| Sep 28, 2025 | Gomez Aponte | 0–1 | CLARK | XXIV IRT Híbrido de Las Américas Sub-1800 2025 - U13 | Owen Defense | |
| Sep 28, 2025 | CLARK | 1–0 | Quero Candanoza | XXIV IRT Híbrido de Las Américas Sub-1800 2025 - U13 | French Defense: Exchange Variation | |
| Sep 28, 2025 | Giron Mata | 0–1 | CLARK | XXIV IRT Híbrido de Las Américas Sub-1800 2025 - U13 | Owen Defense | |
| Sep 25, 2025 | CLARK | 1–0 | Mariduena Villa | XXIV IRT Híbrido de Las Américas Sub-1800 2025 - U13 | Sicilian Defense: Old Sicilian | |
| Sep 25, 2025 | Rasch | ½–½ | CLARK | XXIV IRT Híbrido de Las Américas Sub-1800 2025 - U13 | English Defense | |
| Sep 6, 2025 | Lopez Marcano | 0–1 | CLARK | V IRT Híbrido Blitz América Latina y el Caribe 2025 - U1600 | Owen Defense | |
| Sep 6, 2025 | CLARK | 0–1 | Amundaray Millan | V IRT Híbrido Blitz América Latina y el Caribe 2025 - U1600 | Indian Defense: Przepiorka Variation | |
| Sep 6, 2025 | Barrett | 0–1 | CLARK | V IRT Híbrido Blitz América Latina y el Caribe 2025 - U1600 | Owen Defense | |
| Sep 6, 2025 | CLARK | 1–0 | Spence | V IRT Híbrido Blitz América Latina y el Caribe 2025 - U1600 | Nimzowitsch Defense: Kennedy Variation, Linksspringer Variation | |
| Sep 6, 2025 | Dookhy | 1–0 | CLARK | V IRT Híbrido Blitz América Latina y el Caribe 2025 - U1600 | English Opening | |
| Sep 6, 2025 | CLARK | 0–1 | Melena Salvador | V IRT Híbrido Blitz América Latina y el Caribe 2025 - U1600 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Sep 6, 2025 | Rasch | 0–1 | CLARK | V IRT Híbrido Blitz América Latina y el Caribe 2025 - U1600 | English Defense | |
| Sep 6, 2025 | CLARK | 0–1 | Bernal Alva | V IRT Híbrido Blitz América Latina y el Caribe 2025 - U1600 | Zukertort Opening: Queen's Gambit Invitation | |
| Sep 5, 2025 | CLARK | 1–0 | Apaza Diaz | V IRT Híbrido Blitz América Latina y el Caribe 2025 - U1600 | Zukertort Opening: Queen's Gambit Invitation | |
| Sep 5, 2025 | Scoon | 0–1 | CLARK | V IRT Híbrido Blitz América Latina y el Caribe 2025 - U1600 | Owen Defense | |
| Sep 5, 2025 | Sanchez Villena | ½–½ | CLARK | V IRT Híbrido Blitz América Latina y el Caribe 2025 - U1600 | Owen Defense | |
| — | CLARK | 0–1 | Lopez | Round 2: CLARK, ARTY - Lopez, Ricardo Andres | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| — | CLARK | 1–0 | Sanchez Riscanevo | Round 4: CLARK, ARTY - Sanchez Riscanevo, Santiago | Sicilian Defense: Hyperaccelerated Dragon | |
| — | CLARK | 0–1 | Linares Orellana | Round 1: CLARK, ARTY - Linares Orellana, Hector Jose | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| — | CLARK | 0–1 | Delgado Caballero | FIDE World Youth U16 Chess Olympiad 2025 | Indian Defense: Przepiorka Variation | |
| — | Alvarez Guzman | ½–½ | CLARK | FIDE World Youth U16 Chess Olympiad 2025 | Owen Defense | |
| — | de Roo | 1–0 | CLARK | FIDE World Youth U16 Chess Olympiad 2025 | King's Indian Attack: Wahls Defense | |
| — | Jada Gill | 0–1 | CLARK | FIDE World Youth U16 Chess Olympiad 2025 | Owen Defense | |
| — | Patel | 1–0 | CLARK | FIDE World Youth U16 Chess Olympiad 2025 | Owen Defense | |
| — | Morales Arrieta | 0–1 | CLARK | FIDE World Youth U16 Chess Olympiad 2025 | English Defense | |