| 2 ago 2026 | Labog, Jan Clifford 2137 | Kulpruethanon, Thanadon 2194 | 0-1 | D02 Apertura de Peón de Dama: London System, with e6 | 2nd Bangkok Summer International Chess Open | Duo Blitz | 42 | Ver |
| 1 ago 2026 | Abris, Cedric Kahlel 2007 | Kulpruethanon, Thanadon 2223 | 1-0 | C88 Apertura Española (Ruy López): Closed, Anti-Marshall | 2nd Bangkok Summer International Chess Open | Standard Open | 38 | Ver |
| 1 ago 2026 | Bao Khoa 2029 | Kulpruethanon, Thanadon 2194 | 1-0 | A34 Apertura Inglesa: Symmetrical Variation, Normal Variation | 2nd Bangkok Summer International Chess Open | Rapid | 28 | Ver |
| 6 jun 2026 | Kulpruethanon, Thanadon 2259 | Jaiswal, Rupesh 2067 | 0-1 | E92 Defensa India de Rey: Orthodox Variation, Gligoric-Taimanov System | Asian Individual Chess Championship 2026 | Open | 54 | Ver |
| 4 jun 2026 | Kulpruethanon, Thanadon 2259 | Duurenkhishig, Bat-Erdene 2101 | 0-1 | E04 Apertura Catalana: Open Defense | Asian Individual Chess Championship 2026 | Open | 31 | Ver |
| 3 jun 2026 | Gong, Sunle 2422 | Kulpruethanon, Thanadon 2259 | 1-0 | C11 Defensa Francesa: Steinitz Variation, Boleslavsky Variation | Asian Individual Chess Championship 2026 | Open | 26 | Ver |
| 2 jun 2026 | Kulpruethanon, Thanadon 2259 | Prraneeth Vuppala 2521 | ½-½ | E04 Apertura Catalana: Open Defense | Asian Individual Chess Championship 2026 | Open | 60 | Ver |
| 1 jun 2026 | Arca, Christian Gian Karlo 2396 | Kulpruethanon, Thanadon 2259 | ½-½ | A30 Apertura Inglesa: Symmetrical Variation | Asian Individual Chess Championship 2026 | Open | 35 | Ver |
| 31 may 2026 | Kulpruethanon, Thanadon 2289 | Goutham Krishna H 2433 | ½-½ | E73 Defensa India de Rey: Semi-Averbakh System | Asian Individual Chess Championship 2026 | Open | 22 | Ver |
| 29 may 2026 | Kulpruethanon, Thanadon 2289 | Raja Rithvik R 2537 | 0-1 | A07 Ataque Indio de Rey | Asian Individual Chess Championship 2026 | Open | 40 | Ver |
| 18 abr 2026 | Arunnuntapanich, Tinnakrit 2100 | Kulpruethanon, Thanadon 2276 | 0-1 | D59 Gambito de Dama rehusado: Tartakower Defense, Makogonov Exchange Variation | 49th Thailand Chess Championship 2026 | 31 | Ver |
| 17 abr 2026 | Buakird, Apichit 2071 | Kulpruethanon, Thanadon 2276 | 0-1 | C88 Apertura Española (Ruy López): Closed | 49th Thailand Chess Championship 2026 | 40 | Ver |
| 16 abr 2026 | Kulpruethanon, Thanadon 2276 | Khumnorkaew, Tupfah 2011 | 1-0 | D79 Defensa Neogrünfeld: Ultra-Delayed Exchange Variation | 49th Thailand Chess Championship 2026 | 52 | Ver |