| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 226. M Petr vs Q Chen |
| ½-½ | 66 | 2023 | 21st Marienbad A1 GM | A06 Reti Opening |
| 227. J Seemann vs M Petr |
| ½-½ | 42 | 2023 | 21st Marienbad A1 GM | C07 French, Tarrasch |
| 228. M Petr vs H Stefansson |
| 1-0 | 70 | 2023 | 21st Marienbad A1 GM | A04 Reti Opening |
| 229. G Gaehwiler vs M Petr |
| ½-½ | 21 | 2023 | 21st Marienbad A1 GM | E04 Catalan, Open, 5.Nf3 |
| 230. R Stalmach vs M Petr |
| ½-½ | 35 | 2023 | 21st Marienbad A1 GM | E61 King's Indian |
| 231. M Petr vs Adithya A Chullikkad |
| 1-0 | 45 | 2023 | 21st Marienbad A1 GM | A15 English |
| 232. C Natsidis vs M Petr |
| ½-½ | 33 | 2023 | 21st Marienbad A1 GM | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 233. M Petr vs V Rasik |
| ½-½ | 59 | 2023 | 21st Marienbad A1 GM | B08 Pirc, Classical |
| 234. L Voloshin vs M Petr |
| ½-½ | 39 | 2024 | TCh-CZE Extraliga 2023/24 | A48 King's Indian |
| 235. M Petr vs V Dragnev |
| ½-½ | 60 | 2024 | CZE Extraliga 2024/25 | A04 Reti Opening |
| 236. I Janik vs M Petr |
| ½-½ | 10 | 2024 | CZE Extraliga 2024/25 | D10 Queen's Gambit Declined Slav |
| 237. T Shagbazyan vs M Petr |
| ½-½ | 19 | 2024 | CZE Extraliga 2024/25 | D97 Grunfeld, Russian |
| 238. M Petr vs P Cerveny |
| 1-0 | 52 | 2024 | CZE Extraliga 2024/25 | A07 King's Indian Attack |
| 239. R Stalmach vs M Petr |
| ½-½ | 57 | 2025 | CZE Extraliga 2024/25 | D37 Queen's Gambit Declined |
| 240. P Haba vs M Petr |
| ½-½ | 9 | 2025 | CZE Extraliga 2024/25 | C01 French, Exchange |
| 241. M Petr vs V Plat |
| ½-½ | 18 | 2025 | CZE Extraliga 2024/25 | A05 Reti Opening |
| 242. L Cyborowski vs M Petr |
| ½-½ | 16 | 2025 | CZE Extraliga 2024/25 | D37 Queen's Gambit Declined |
| 243. M Petr vs T Kuegel |
| 1-0 | 53 | 2025 | Pilsen GM | A07 King's Indian Attack |
| 244. S Otsuka vs M Petr |
| 0-1 | 67 | 2025 | Pilsen GM | B40 Sicilian |
| 245. M Petr vs M Mattenberger |
| 1-0 | 44 | 2025 | Pilsen GM | B22 Sicilian, Alapin |
| 246. Y Song vs M Petr |
| ½-½ | 13 | 2025 | Pilsen GM | C11 French |
| 247. M Petr vs M Pacher |
| 1-0 | 25 | 2025 | Pilsen GM | A04 Reti Opening |
| 248. Y Zhao vs M Petr |
| ½-½ | 22 | 2025 | Pilsen GM | A06 Reti Opening |
| 249. M Petr vs C Krishna |
| 0-1 | 59 | 2025 | Pilsen GM | C05 French, Tarrasch |
| 250. V V Shah vs M Petr |
| ½-½ | 43 | 2025 | Pilsen GM | C11 French |
Kibitzing
