| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Vykouk vs J Obsivac |
| 1-0 | 50 | 2017 | Czech Championship | C11 French |
| 27. K Malinovsky vs J Vykouk |
| 1-0 | 40 | 2017 | Czech Championship | B90 Sicilian, Najdorf |
| 28. J Vykouk vs T Nguyen |
| 0-1 | 43 | 2017 | Czech Championship | B27 Sicilian |
| 29. J Vykouk vs R Caletka |
 | 1-0 | 36 | 2017 | Czech Championship | B17 Caro-Kann, Steinitz Variation |
| 30. V Rasik vs J Vykouk |
| ½-½ | 48 | 2017 | Czech Championship | B27 Sicilian |
| 31. J Vykouk vs S Ovsejevitsch |
| ½-½ | 25 | 2017 | Ceske Budejovice GM | D31 Queen's Gambit Declined |
| 32. P Vavra vs J Vykouk |
| 0-1 | 34 | 2017 | Pankrac Cup | A45 Queen's Pawn Game |
| 33. K Pilsova vs J Vykouk |
| ½-½ | 65 | 2017 | Pankrac Cup | B30 Sicilian |
| 34. M Hollan vs J Vykouk |
| 0-1 | 93 | 2017 | TCh-CZE 1 Liga Zapad | B45 Sicilian, Taimanov |
| 35. J Vykouk vs A Sokolov |
| 1-0 | 50 | 2017 | Pankrac Cup | B77 Sicilian, Dragon, Yugoslav Attack |
| 36. J Vykouk vs J U Heinichen Rodas |
| 1-0 | 24 | 2017 | World Junior Championship | B27 Sicilian |
| 37. S L Narayanan vs J Vykouk |
| 1-0 | 69 | 2017 | World Junior Championship | D45 Queen's Gambit Declined Semi-Slav |
| 38. J Vykouk vs A Tahay |
| ½-½ | 46 | 2017 | World Junior Championship | B97 Sicilian, Najdorf |
| 39. E Ioannidis vs J Vykouk |
| 0-1 | 34 | 2017 | World Junior Championship | E41 Nimzo-Indian |
| 40. J Vykouk vs Yining Xu |
| ½-½ | 26 | 2017 | World Junior Championship | B09 Pirc, Austrian Attack |
| 41. A Boruchovsky vs J Vykouk |
| 1-0 | 74 | 2017 | World Junior Championship | C10 French |
| 42. J Vykouk vs A Timerkhanov |
| ½-½ | 60 | 2017 | World Junior Championship | B27 Sicilian |
| 43. E Bayramov vs J Vykouk |
| ½-½ | 57 | 2017 | World Junior Championship | B45 Sicilian, Taimanov |
| 44. J Vykouk vs F Villegas |
| 0-1 | 33 | 2017 | World Junior Championship | B81 Sicilian, Scheveningen, Keres Attack |
| 45. J Vykouk vs Dorian Micottis |
| 1-0 | 32 | 2017 | World Junior Championship | A15 English |
| 46. J Vykouk vs P Neuman |
| ½-½ | 41 | 2017 | TCh-CZE 1 Liga Zapad | C42 Petrov Defense |
| 47. A Maslak vs J Vykouk |
| 1-0 | 50 | 2017 | European Blitz Championship | B32 Sicilian |
| 48. J Vykouk vs Wojtaszek |
| 0-1 | 23 | 2017 | European Blitz Championship | B17 Caro-Kann, Steinitz Variation |
| 49. Wojtaszek vs J Vykouk |
| 0-1 | 57 | 2017 | European Blitz Championship | A06 Reti Opening |
| 50. M Caprino vs J Vykouk |
| 0-1 | 35 | 2017 | European Blitz Championship | B23 Sicilian, Closed |
Kibitzing
