| 9 ago 2026 | Grech, Kacper 2050 | Hertlein, Irena 2039 | 1-0 | B56 Defensa Siciliana: Classical Variation | Adolf Anderssen Chess Festival 2026 - OPEN A | 30 | Ver |
| 8 ago 2026 | Hertlein, Irena 2039 | Zareba, Piotr 2197 | 0-1 | C41 Defensa Philidor: Exchange Variation | Adolf Anderssen Chess Festival 2026 - OPEN A | 40 | Ver |
| 8 ago 2026 | Lichorad, Mateusz 2072 | Hertlein, Irena 2039 | 0-1 | B67 Defensa Siciliana: Richter-Rauzer Variation, Neo-Modern Variation | Adolf Anderssen Chess Festival 2026 - OPEN A | 59 | Ver |
| 7 ago 2026 | Hertlein, Irena 2039 | Krol, Jan 2204 | ½-½ | C00 Defensa Francesa: St. George Defense | anderssenA | 60 | Ver |
| 6 ago 2026 | Hlavacek Pavel 2001 | Hertlein, Irena 2039 | ½-½ | E68 Defensa India de Rey: Fianchetto Variation, Classical Variation | anderssenA | 43 | Ver |
| 5 ago 2026 | Hertlein, Irena 2039 | Owczarek, Hanna 2025 | 1-0 | B23 Defensa Siciliana: Closed, Traditional | anderssenA | 53 | Ver |
| 3 ago 2026 | Hertlein, Irena 2039 | Sernecki, Franciszek 2281 | 0-1 | B32 Defensa Siciliana: Kalashnikov Variation | anderssenA | 71 | Ver |
| 7 jul 2026 | Hertlein, Irena 2054 | Kala, Jakub 2007 | 1-0 | A13 Apertura Inglesa: Agincourt Defense | FIDE OPEN QCC | 37 | Ver |
| 5 jul 2026 | Gregor, Alexandr 2029 | Hertlein, Irena 2054 | 0-1 | E92 Defensa India de Rey: Petrosian Variation, Stein Defense | FIDE OPEN QCC | 41 | Ver |
| 2 jul 2026 | Patlolla Indra Reddy 2098 | Hertlein, Irena 2054 | 1-0 | B31 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | FIDE OPEN QCC | 53 | Ver |
| 30 jun 2026 | Velicka, Petr 2336 | Hertlein, Irena 2054 | 1-0 | B31 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack, Gurgenidze Variation | FIDE OPEN QCC | 40 | Ver |
| 18 abr 2026 | Hertlein, Irena 2057 | Iordache, Alexia-Andreea 2181 | 0-1 | B90 Defensa Siciliana: Najdorf Variation, English Attack | EIIC 2026 | 34 | Ver |
| 16 abr 2026 | Kochavi, Dana 2196 | Hertlein, Irena 2057 | 1-0 | C10 Defensa Francesa: Rubinstein Variation, Fort Knox Variation | EIIC 2026 | 45 | Ver |
| 15 abr 2026 | Hertlein, Irena 2057 | Noy, Eyal 2300 | 0-1 | A47 Pseudo Queen's Indian Defense | EIIC 2026 | 37 | Ver |
| 14 abr 2026 | Dovgaliuk, Oleksandr 2309 | Hertlein, Irena 2057 | ½-½ | D30 Gambito de Dama rehusado | EIIC 2026 | 100 | Ver |
| 13 abr 2026 | Hertlein, Irena 2057 | Brozyna, Mateusz 2242 | 1-0 | C95 Apertura Española (Ruy López): Closed, Breyer Defense, Zaitsev Hybrid | EIIC 2026 | 56 | Ver |
| 10 abr 2026 | Hertlein, Irena 2057 | Salaun, Yann 2199 | 0-1 | D01 Rapport-Jobava System | EICC 2026 | 29 | Ver |
| 8 abr 2026 | Hertlein, Irena 2057 | Bendayan Claros, Aaron 2296 | 0-1 | B22 Defensa Siciliana: Alapin Variation, Stoltz Attack | EIIC 2026 | 36 | Ver |
| 7 abr 2026 | Makkar, Rajat 2422 | Hertlein, Irena 2057 | 1-0 | B27 Defensa Siciliana: Hyperaccelerated Dragon | EIIC 2026 | 41 | Ver |
| 13 sep 2025 | Malicka, Maria 2223 | Hertlein, Irena 2083 | 1-0 | B38 Defensa Siciliana: Accelerated Dragon, Maróczy Bind | I Liga 1-5 | 39 | Ver |