| 11 jul 2026 | Vrolijk, Liam 2519 | Tiviakov, Sergei 2530 | 0-1 | A20 Apertura Inglesa: King's English Variation | Round 4.Tiebreaks: Vrolijk, Liam - Tiviakov, Sergei | 73 | Ver |
| 7 jul 2026 | Tiviakov, Sergei 2530 | Van den Doel, Erik 2549 | 1-0 | C77 Apertura Española (Ruy López): Morphy Defense, Anderssen Variation | Dutch Championship 2026 Open | 30 | Ver |
| 7 jul 2026 | Van den Doel, Erik 2549 | Tiviakov, Sergei 2530 | ½-½ | C10 Defensa Francesa: Rubinstein Variation, Fort Knox Variation | Dutch Championship 2026 Open | 54 | Ver |
| 7 jul 2026 | L'Ami, Erwin 2592 | Tiviakov, Sergei 2530 | ½-½ | E18 Defensa India de Dama: Classical Variation, Traditional Variation, Nimzowitsch Line | Round 2.Tiebreaks: L'Ami, Erwin - Tiviakov, Sergei | 51 | Ver |
| 7 jul 2026 | Tiviakov, Sergei 2530 | L'Ami, Erwin 2592 | 1-0 | C77 Apertura Española (Ruy López): Morphy Defense, Anderssen Variation | Round 2.Tiebreaks: Tiviakov, Sergei - L'Ami, Erwin | 53 | Ver |
| 6 jul 2026 | Tiviakov, Sergei 2530 | L'Ami, Erwin 2592 | 1-0 | C77 Apertura Española (Ruy López): Morphy Defense, Anderssen Variation | Dutch Championship 2026 Open | 59 | Ver |
| 6 jul 2026 | L'Ami, Erwin 2592 | Tiviakov, Sergei 2530 | 1-0 | E18 Defensa India de Dama: Classical Variation, Traditional Variation, Nimzowitsch Line | Dutch Championship 2026 Open | 53 | Ver |
| 15 jun 2026 | Bakhrillaev, Bakhrom 2443 | Tiviakov, Sergei 2524 | ½-½ | E20 Defensa Nimzoindia: Kmoch Variation | 3rd UzChess Cup 2026 | Futures | 26 | Ver |
| 14 jun 2026 | Tiviakov, Sergei 2524 | Peng, Li Min 2541 | ½-½ | C77 Apertura Española (Ruy López): Morphy Defense, Anderssen Variation | 3rd UzChess Cup 2026 | Futures | 26 | Ver |
| 13 jun 2026 | Lysyj, Igor 2533 | Tiviakov, Sergei 2524 | 0-1 | E39 Defensa Nimzoindia: Classical Variation, Berlin Variation, Pirc Variation | 3rd UzChess Cup 2026 | Futures | 74 | Ver |
| 12 jun 2026 | Tiviakov, Sergei 2524 | Sethuraman, S.P. 2551 | ½-½ | C77 Apertura Española (Ruy López): Morphy Defense, Anderssen Variation | 3rd UzChess Cup 2026 | Futures | 30 | Ver |
| 11 jun 2026 | Begmuratov, Khumoyun 2512 | Tiviakov, Sergei 2524 | 1-0 | C10 Defensa Francesa: Rubinstein Variation, Blackburne Defense | 3rd UzChess Cup 2026 | Futures | 20 | Ver |
| 10 jun 2026 | Tiviakov, Sergei 2524 | Jumabayev, Rinat 2556 | ½-½ | C67 Apertura Española (Ruy López): Berlin Defense, Rio Gambit Accepted | 3rd UzChess Cup 2026 | Futures | 17 | Ver |
| 10 jun 2026 | Nigmatov, Ortik 2458 | Tiviakov, Sergei 2524 | 0-1 | C10 Defensa Francesa: Rubinstein Variation, Fort Knox Variation | 3rd UzChess Cup 2026 | Futures | 55 | Ver |
| 9 jun 2026 | Tiviakov, Sergei 2530 | Vrolijk, Liam 2519 | 1-0 | B22 Defensa Siciliana: Alapin Variation | Round 4.Tiebreaks: Tiviakov, Sergei - Vrolijk, Liam | 34 | Ver |
| 9 jun 2026 | Vrolijk, Liam 2519 | Tiviakov, Sergei 2530 | ½-½ | A29 Apertura Inglesa: King's English Variation, Four Knights Variation, Fianchetto Line | Dutch Championship 2026 Open | 36 | Ver |
| 9 jun 2026 | Tiviakov, Sergei 2530 | Vrolijk, Liam 2519 | ½-½ | C65 Apertura Española (Ruy López): Berlin Defense, Anti-Berlin Variation | Dutch Championship 2026 Open | 68 | Ver |
| 9 jun 2026 | De Boer, Eelke 2406 | Tiviakov, Sergei 2530 | ½-½ | C10 Defensa Francesa: Rubinstein Variation, Fort Knox Variation | Dutch Championship 2026 Open | 36 | Ver |
| 9 jun 2026 | Tiviakov, Sergei 2530 | De Boer, Eelke 2406 | 1-0 | C65 Apertura Española (Ruy López): Berlin Defense, Anti-Berlin Variation | Dutch Championship 2026 Open | 62 | Ver |
| 9 jun 2026 | Tiviakov, Sergei 2524 | Pichot, Alan 2581 | ½-½ | B22 Defensa Siciliana: Alapin Variation, Stoltz Attack | 3rd UzChess Cup 2026 | Futures | 51 | Ver |