| 31 ago 2026 | Stupak, Kirill 2421 | Asgarov, Mushfig 2194 | 1-0 | E06 Apertura Catalana: Closed | Gudrat Ismayilov Memorial | IM | 39 | Ver |
| 30 ago 2026 | Rzayev, Chingiz 2121 | Stupak, Kirill 2421 | 0-1 | B12 Defensa Caro-Kann: Advance Variation, Botvinnik-Carls Defense | Gudrat Ismayilov Memorial | IM | 47 | Ver |
| 30 ago 2026 | Stupak, Kirill 2421 | Alaz, Ahmet Efekan 2202 | 0-1 | A46 Defensa India: Knights Variation | Gudrat Ismayilov Memorial | IM | 34 | Ver |
| 29 ago 2026 | Audi Ameya 2409 | Stupak, Kirill 2421 | 1-0 | C10 Defensa Francesa: Hecht-Reefschläger Variation | Gudrat Ismayilov Memorial | IM | 43 | Ver |
| 28 ago 2026 | Stupak, Kirill 2421 | Aslanov, Umid 2345 | ½-½ | D58 Gambito de Dama rehusado: Tartakower Defense | Gudrat Ismayilov Memorial | IM | 8 | Ver |
| 27 ago 2026 | Baghirov, Mahammad 2253 | Stupak, Kirill 2421 | 0-1 | A41 Apertura de Peón de Dama: Rossolimo Variation | Gudrat Ismayilov Memorial | IM | 42 | Ver |
| 27 ago 2026 | Ilkhanipour, Ramtin 2195 | Stupak, Kirill 2421 | ½-½ | C04 Defensa Francesa: Tarrasch Variation, Guimard Defense, Main Line | Gudrat Ismayilov Memorial | IM | 70 | Ver |
| 24 jul 2026 | Andersen, Mads 2559 | Stupak, Kirill 2412 | 1-0 | C02 Defensa Francesa: Advance Variation, Main Line | 19th Paleochora International Tournament 2026 | 78 | Ver |
| 22 jul 2026 | Stupak, Kirill 2412 | Markidis, Konstantinos 2290 | 1-0 | E06 Apertura Catalana: Closed | 19th Paleochora International Tournament 2026 | 49 | Ver |
| 21 jul 2026 | Baklan, Vladimir 2525 | Stupak, Kirill 2412 | ½-½ | C17 Defensa Francesa: Winawer Variation, Bogoljubow Variation | 19th Paleochora International Tournament 2026 | 21 | Ver |
| 20 jul 2026 | Stupak, Kirill 2412 | Avanesyan, Aleksandr 2239 | 1-0 | D02 Apertura de Peón de Dama: Symmetrical Variation | 19th Paleochora International Tournament 2026 | 47 | Ver |
| 19 jul 2026 | Tsarsitalidis, Konstantinos 2230 | Stupak, Kirill 2412 | ½-½ | C03 Defensa Francesa: Tarrasch Variation, Morozevich Variation | 19th Paleochora International Tournament 2026 | 28 | Ver |
| 19 jul 2026 | Stupak, Kirill 2412 | Jakobsen, Shanne Hedegaard 2133 | 1-0 | D00 Apertura de Peón de Dama: Accelerated London System | 19th Paleochora International Tournament 2026 | 27 | Ver |
| 23 ene 2026 | Sharon, Rafael 2333 | Stupak, Kirill 2411 | 0-1 | E64 Defensa India de Rey: Fianchetto Variation, Pterodactyl Variation | Muscat International Chess Championship 2026 | Open A | 53 | Ver |
| 22 ene 2026 | Stupak, Kirill 2411 | Rogov, Matfey 2368 | 1-0 | D15 Defensa Eslava: Two Knights Attack | Muscat International Chess Championship 2026 | Open A | 59 | Ver |
| 21 ene 2026 | Rami,Talab 2173 | Stupak, Kirill 2411 | ½-½ | A70 Defensa Benoni: Classical Variation | Muscat International Chess Championship 2026 | Open A | 29 | Ver |
| 20 ene 2026 | Stupak, Kirill 2411 | Bhuvan Krishna Prasanth 2142 | ½-½ | E05 Apertura Catalana: Open Defense, Classical Line | Muscat International Chess Championship 2026 | Open A | 65 | Ver |
| 18 ene 2026 | Stupak, Kirill 2411 | Abbasi Abeluie, Mohammad Mehdi 2241 | ½-½ | A22 Apertura Inglesa: King's English Variation, Two Knights Variation, Reversed Dragon | Muscat International Chess Championship 2026 | Open A | 13 | Ver |
| 17 ene 2026 | Adly, Ahmed 2583 | Stupak, Kirill 2411 | 1-0 | D01 Rapport-Jobava System | Muscat International Chess Championship 2026 | Open A | 54 | Ver |
| 17 ene 2026 | Travadon, Loic 2507 | Stupak, Kirill 2411 | ½-½ | C02 Defensa Francesa: Advance Variation, Main Line | Muscat International Chess Championship 2026 | Open A | 64 | Ver |