| 2 ago 2026 | Gareyev, Timur 2552 | Arca, Christian Gian Karlo 2385 | 1-0 | E32 Defensa Nimzoindia: Classical Variation, Keres Defense | 2nd Bangkok Summer International Chess Open | Standard Open | 36 | Ver |
| 1 ago 2026 | Arca, Christian Gian Karlo 2388 | Parondo, Rolly 2200 | 1-0 | A05 Ataque Indio de Rey: Symmetrical Defense | 2nd Bangkok Summer International Chess Open | Rapid | 55 | Ver |
| 1 ago 2026 | Rom, Jasper 2205 | Arca, Christian Gian Karlo 2388 | 0-1 | B11 Defensa Caro-Kann: Two Knights Attack, Mindeno Variation, Exchange Line | 2nd Bangkok Summer International Chess Open | Rapid | 49 | Ver |
| 1 ago 2026 | Arca, Christian Gian Karlo 2388 | Concio, Michael Jr. 2415 | ½-½ | A07 Ataque Indio de Rey: Double Fianchetto | 2nd Bangkok Summer International Chess Open | Rapid | 35 | Ver |
| 1 ago 2026 | Arca, Christian Gian Karlo 2388 | Bao Khoa 2029 | ½-½ | D78 Defensa Neogrünfeld: Classical Variation, Original Defense | 2nd Bangkok Summer International Chess Open | Rapid | 56 | Ver |
| 24 jul 2026 | Arca, Christian Gian Karlo 2385 | Fedosov, Alexander 2306 | ½-½ | A34 Apertura Inglesa: Symmetrical Variation, Three Knights Variation | 28th Asian Youth Chess Championships 2026 | Classical | B18 | 37 | Ver |
| 23 jul 2026 | Induwara, T H D Thisarindu 2123 | Arca, Christian Gian Karlo 2385 | 0-1 | B12 Defensa Caro-Kann: Advance Variation, Tal Variation | 28th Asian Youth Chess Championships 2026 | Classical | B18 | 51 | Ver |
| 21 jul 2026 | Ahmadi, Erfan 2249 | Arca, Christian Gian Karlo 2385 | 1-0 | B12 Defensa Caro-Kann: Advance Variation, Tal Variation | 28th Asian Youth Chess Championships 2026 | Classical | B18 | 31 | Ver |
| 19 jul 2026 | Siva Kumar, Nirish Kumar 2220 | Arca, Christian Gian Karlo 2385 | 0-1 | B12 Defensa Caro-Kann: Advance Variation, Van der Wiel Attack | 28th Asian Youth Chess Championships 2026 | Classical | B18 | 29 | Ver |
| 18 jul 2026 | Arca, Christian Gian Karlo 2385 | Nandish V S 2236 | 0-1 | E43 Defensa Nimzoindia: St. Petersburg Variation | 28th Asian Youth Chess Championships 2026 | Classical | B18 | 40 | Ver |
| 18 jul 2026 | Silwal, Purushottam 2163 | Arca, Christian Gian Karlo 2385 | ½-½ | B12 Defensa Caro-Kann: Advance Variation, Tal Variation | 28th Asian Youth Chess Championships 2026 | Classical | B18 | 12 | Ver |
| 16 jul 2026 | Arca, Christian Gian Karlo 2441 | Jin, Hongtao 2107 | ½-½ | A13 Apertura Inglesa: Neo-Catalan | 28th Asian Youth Chess Championships 2026 | Rapid | B18 | 86 | Ver |
| 20 jun 2026 | Hakobyan, Aram 2593 | Arca, Christian Gian Karlo 2399 | 0-1 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | FIDE World Team Rapid & Blitz Chess Championships 2026 | Blitz | Pool C | 46 | Ver |
| 20 jun 2026 | Arca, Christian Gian Karlo 2399 | Tan, Matthew 2478 | 0-1 | A07 King's Indian Attack, with Bf5 | FIDE World Team Rapid & Blitz Chess Championships 2026 | Blitz | Pool C | 45 | Ver |
| 20 jun 2026 | Arca, Christian Gian Karlo 2399 | Escobar Medina, Andres F 2232 | 1-0 | A05 Apertura Zukertort | FIDE World Team Rapid & Blitz Chess Championships 2026 | Blitz | Pool C | 48 | Ver |
| 20 jun 2026 | Madaminov, Mukhiddin 2523 | Arca, Christian Gian Karlo 2399 | 1-0 | B10 Defensa Caro-Kann: Endgame Offer | FIDE World Team Rapid & Blitz Chess Championships 2026 | Blitz | Pool C | 47 | Ver |
| 20 jun 2026 | Arca, Christian Gian Karlo 2399 | Bai, Xue 2071 | 1-0 | A13 Apertura Inglesa: Neo-Catalan | FIDE World Team Rapid & Blitz Chess Championships 2026 | Blitz | Pool C | 21 | Ver |
| 20 jun 2026 | Nihal Sarin 2723 | Arca, Christian Gian Karlo 2399 | 0-1 | A46 Defensa India: Spielmann-Indian | FIDE World Team Rapid & Blitz Chess Championships 2026 | Blitz | Pool C | 66 | Ver |
| 20 jun 2026 | Arca, Christian Gian Karlo 2399 | Xue, Haowen 2407 | 0-1 | A15 Apertura Inglesa: Anglo-Indian Defense, Queen's Indian Formation | FIDE World Team Rapid & Blitz Chess Championships 2026 | Blitz | Pool C | 42 | Ver |
| 20 jun 2026 | Aronian, Levon 2740 | Arca, Christian Gian Karlo 2399 | 0-1 | B13 Defensa Caro-Kann: Exchange Variation, Rubinstein Variation | FIDE World Team Rapid & Blitz Chess Championships 2026 | Blitz | Pool C | 31 | Ver |