| — | De Guzman | 1–0 | Lau | Round 2: De Guzman, John Paul - Lau, Tsz Yiu Christ | Queen's Pawn Game: London System | |
| — | De Guzman | 1–0 | Abelgas | Round 4: De Guzman, John Paul - Abelgas, Roel | Slav Defense: Exchange Variation | |
| — | De Guzman | 1–0 | Surjaya | Round 6: De Guzman, John Paul - Surjaya, Brian | Queen's Pawn Game: London System | |
| — | De Guzman | 1–0 | Shejal Sahil Sanjay | Round 8: De Guzman, John Paul - Shejal Sahil Sanjay | Queen's Pawn Game | |
| — | De Guzman | 1–0 | Estavillo | Round 9: De Guzman, John Paul - Estavillo, Stephen Von | Indian Defense: London System | |
| — | De Guzman | ½–½ | Markin | Asian Amateur Chess Competition 2025 | Indian Defense: London System | |
| — | De Guzman | 1–0 | Wu | Asian Amateur Chess Competition 2025 | Queen's Pawn Game: London System | |
| — | De Guzman | 0–1 | Hon | Asian Amateur Chess Competition 2025 | Indian Defense: London System | |
| — | De Guzman | 1–0 | Chen Yong-Ye | Asian Amateur Chess Competition 2025 | Queen's Pawn Game: London System | |
| — | De Guzman | 1–0 | Siridanupath | Asian Amateur Chess Competition 2025 | Queen's Pawn Game: London System | |
| — | Wong | 0–1 | De Guzman | Round 3: Wong, Ngo Athan - De Guzman, John Paul | Scandinavian Defense: Main Line, Mieses Variation | |
| — | Labog | 1–0 | De Guzman | Round 5: Labog, Jan Clifford - De Guzman, John Paul | English Opening: Caro-Kann Defensive System | |
| — | Ulziikhishig Khishigbat | 1–0 | De Guzman | Round 7: Ulziikhishig Khishigbat - De Guzman, John Paul | Slav Defense | |
| — | Aton | 0–1 | De Guzman | Round 9: Aton, Aaron - De Guzman, John Paul | Scandinavian Defense: Main Line, Mieses Variation | |
| — | Li | 0–1 | De Guzman | Round 8: Li, Shing Hei - De Guzman, John Paul | Slav Defense: Modern Line | |
| — | Chernyshov | 1–0 | De Guzman | Asian Amateur Chess Competition 2025 | Slav Defense: Chebanenko Variation | |
| — | Tian | 1–0 | De Guzman | Asian Amateur Chess Competition 2025 | Scandinavian Defense: Main Line, Mieses Variation | |
| — | Ye | 0–1 | De Guzman | Asian Amateur Chess Competition 2025 | Scandinavian Defense: Main Line, Mieses Variation | |
| — | Medetuly | ½–½ | De Guzman | Asian Amateur Chess Competition 2025 | Slav Defense: Exchange Variation | |
