| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 676. E van den Doel vs V Onyshchuk |
| ½-½ | 60 | 2021 | European Team Championship | B07 Pirc |
| 677. V Artemiev vs V Onyshchuk |
| ½-½ | 23 | 2021 | European Team Championship | A49 King's Indian, Fianchetto without c4 |
| 678. S Ter-Sahakyan vs V Onyshchuk |
| ½-½ | 52 | 2021 | European Team Championship | C65 Ruy Lopez, Berlin Defense |
| 679. V Onyshchuk vs M Kravtsiv |
| 1-0 | 48 | 2021 | Ukrainian Championship | A07 King's Indian Attack |
| 680. V Bakhmatsky vs V Onyshchuk |
| ½-½ | 30 | 2021 | Ukrainian Championship | E73 King's Indian |
| 681. V Onyshchuk vs A Volokitin |
| ½-½ | 21 | 2021 | Ukrainian Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 682. V Onyshchuk vs Kryvoruchko |
| 0-1 | 33 | 2021 | Ukrainian Championship | C65 Ruy Lopez, Berlin Defense |
| 683. A Omelja vs V Onyshchuk |
| 0-1 | 37 | 2021 | Ukrainian Championship | A00 Uncommon Opening |
| 684. V Onyshchuk vs Kuzubov |
| 1-0 | 40 | 2021 | Ukrainian Championship | C42 Petrov Defense |
| 685. A Moiseenko vs V Onyshchuk |
| 1-0 | 36 | 2021 | Ukrainian Championship | B09 Pirc, Austrian Attack |
| 686. V Onyshchuk vs S Vysochin |
| 0-1 | 46 | 2021 | Ukrainian Championship | B12 Caro-Kann Defense |
| 687. K Shevchenko vs V Onyshchuk |
| 1-0 | 78 | 2021 | Ukrainian Championship | A48 King's Indian |
| 688. S Zilka vs V Onyshchuk |
 | 0-1 | 38 | 2021 | World Rapid Championship | B06 Robatsch |
| 689. V Onyshchuk vs A Tari |
| 1-0 | 80 | 2021 | World Rapid Championship | C50 Giuoco Piano |
| 690. H Bharathakoti vs V Onyshchuk |
| 1-0 | 56 | 2021 | World Rapid Championship | A41 Queen's Pawn Game (with ...d6) |
| 691. V Onyshchuk vs M Demidov |
| ½-½ | 93 | 2021 | World Rapid Championship | A07 King's Indian Attack |
| 692. V Onyshchuk vs M Bartel |
| 1-0 | 29 | 2021 | World Rapid Championship | C00 French Defense |
| 693. E Najer vs V Onyshchuk |
| ½-½ | 71 | 2021 | World Rapid Championship | A00 Uncommon Opening |
| 694. V Onyshchuk vs K Shevchenko |
| ½-½ | 48 | 2021 | World Rapid Championship | A07 King's Indian Attack |
| 695. Indjic vs V Onyshchuk |
| 0-1 | 39 | 2021 | World Rapid Championship | E62 King's Indian, Fianchetto |
| 696. V Onyshchuk vs M Chigaev |
| ½-½ | 52 | 2021 | World Rapid Championship | B90 Sicilian, Najdorf |
| 697. G Mitrabha vs V Onyshchuk |
| 1-0 | 45 | 2021 | World Rapid Championship | E62 King's Indian, Fianchetto |
| 698. V Onyshchuk vs E Ghaem Maghami |
| 1-0 | 46 | 2021 | World Rapid Championship | B40 Sicilian |
| 699. Niemann vs V Onyshchuk |
| 0-1 | 38 | 2021 | World Rapid Championship | A00 Uncommon Opening |
| 700. V Onyshchuk vs Mamedyarov |
| 0-1 | 39 | 2021 | World Rapid Championship | C80 Ruy Lopez, Open |
Kibitzing
