| 21 jun 2026 | Lombaers, Peter 2343 | Bosboom, Ardin 2200 | 1-0 | D38 Gambito de Dama rehusado: Ragozin Defense, Alekhine Variation | HSG Open 2026 A | 47 | Ver |
| 21 jun 2026 | Stork, Ornett 2102 | Lombaers, Peter 2343 | 0-1 | D01 Rapport-Jobava System | HSG Open 2026 A | 56 | Ver |
| 20 jun 2026 | Lombaers, Peter 2343 | Leenen, Boyd 2188 | ½-½ | D43 Defensa Semieslava | HSG Open 2026 A | 27 | Ver |
| 19 jun 2026 | Thijssen, Freek 2164 | Lombaers, Peter 2343 | ½-½ | B56 Defensa Siciliana: Classical Variation | HSG Open 2026 A | 39 | Ver |
| 19 jun 2026 | Lombaers, Peter 2343 | Hummel, Paul 2173 | 1-0 | E18 Defensa India de Dama: Classical Variation, Traditional Variation | HSG Open 2026 A | 39 | Ver |
| 17 may 2026 | Kampman, Tijmen 2243 | Lombaers, Peter 2339 | 0-1 | B30 Defensa Siciliana: Old Sicilian | Utrecht Open 2026 | Group A | 22 | Ver |
| 17 may 2026 | Lombaers, Peter 2339 | Vos, Tjark 2201 | ½-½ | E15 Defensa India de Dama: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack | Utrecht Open 2026 | Group A | 45 | Ver |
| 16 may 2026 | Ritzerveld, Noah 2212 | Lombaers, Peter 2339 | ½-½ | B33 Defensa Siciliana: Lasker-Pelikan Variation | Utrecht Open 2026 | Group A | 31 | Ver |
| 16 may 2026 | Lombaers, Peter 2339 | Schilstra, Laurens 2167 | 1-0 | D15 Defensa Eslava: Geller Gambit | Utrecht Open 2026 | Group A | 36 | Ver |
| 15 may 2026 | Cornelisse, John 2153 | Lombaers, Peter 2339 | ½-½ | A15 Apertura Inglesa: Anglo-Indian Defense, King's Indian Formation | Utrecht Open 2026 | Group A | 45 | Ver |
| 15 may 2026 | Lombaers, Peter 2339 | Smid, Jelle 2081 | 1-0 | D37 Gambito de Dama rehusado: Barmen Variation | Utrecht Open 2026 | Group A | 26 | Ver |
| 14 may 2026 | Burg, Twan 2491 | Lombaers, Peter 2339 | 1-0 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | Finals tiebreak: Burg, Twan - Lombaers, Peter | 24 | Ver |
| 14 may 2026 | Lombaers, Peter 2339 | Burg, Twan 2491 | ½-½ | D37 Gambito de Dama rehusado: Harrwitz Attack, Two Knights Defense, Blockade Line | Finale en 3/4e plaats: Lombaers, Peter - Burg, Twan | 44 | Ver |
| 7 may 2026 | Michielsen, Joost 2343 | Lombaers, Peter 2339 | ½-½ | B30 Defensa Siciliana: Closed, Anti-Sveshnikov Variation | Semi Final: Michielsen, Joost - Lombaers, Peter | 53 | Ver |
| 11 abr 2026 | Lombaers, Peter 2331 | Froeyman, Helmut 2257 | 1-0 | A95 Defensa Holandesa: Stonewall Variation | Dutch Meesterklasse 2025/26 | 55 | Ver |
| 28 mar 2026 | Fridman, Daniel 2567 | Lombaers, Peter 2309 | 0-1 | E66 Defensa India de Rey: Fianchetto Variation, Yugoslav Variation, Advance Line | Dutch Meesterklasse 2025/26 | 77 | Ver |
| 7 mar 2026 | Ernst, Sipke 2524 | Lombaers, Peter 2309 | ½-½ | A05 Ataque Indio de Rey: Symmetrical Defense | Dutch Meesterklasse 2025/26 | 39 | Ver |
| 7 feb 2026 | Donker, Roel 2259 | Lombaers, Peter 2321 | 1-0 | A61 Defensa Benoni: Knight's Tour Variation | Dutch Meesterklasse 2025/26 | 30 | Ver |
| 26 dic 2025 | Bok, Benjamin 2590 | Lombaers, Peter 2314 | ½-½ | A34 Apertura Inglesa: Symmetrical Variation, Rubinstein Variation | Dutch Meesterklasse 2025/26 | 47 | Ver |
| 22 nov 2025 | Lombaers, Peter 2305 | Van der Werf, Mark 2402 | 1-0 | A61 Defensa Benoni: Knight's Tour Variation | Dutch Meesterklasse 2025/26 | 43 | Ver |