| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1326. R Markus vs M Berchtenbreiter |
| ½-½ | 53 | 2023 | Austrian Bundesliga 2022/23 | A40 Queen's Pawn Game |
| 1327. S Kaphle vs R Markus |
| 0-1 | 28 | 2023 | Austrian Bundesliga 2022/23 | C02 French, Advance |
| 1328. R Markus vs F Schwabeneder |
| ½-½ | 51 | 2023 | Austrian Bundesliga 2022/23 | A46 Queen's Pawn Game |
| 1329. T Koelle vs R Markus |
| ½-½ | 39 | 2023 | Austrian Bundesliga 2022/23 | A55 Old Indian, Main line |
| 1330. R Markus vs T Pavicic |
| 1-0 | 27 | 2023 | Croatian Cup | E60 King's Indian Defense |
| 1331. R Markus vs L Novosel |
| 1-0 | 43 | 2023 | Croatian Cup | E06 Catalan, Closed, 5.Nf3 |
| 1332. D Feletar vs R Markus |
| ½-½ | 16 | 2023 | Croatian Cup | C07 French, Tarrasch |
| 1333. M Palac vs R Markus |
| ½-½ | 14 | 2023 | Croatian Cup | C42 Petrov Defense |
| 1334. R Markus vs S Martinovic |
| ½-½ | 23 | 2023 | Croatian Cup | E04 Catalan, Open, 5.Nf3 |
| 1335. A Saric vs R Markus |
| ½-½ | 11 | 2023 | Croatian Cup | E91 King's Indian |
| 1336. M Ivanovic vs R Markus |
 | 0-1 | 63 | 2023 | Serbian Championship | C18 French, Winawer |
| 1337. R Markus vs A Kovacevic |
| ½-½ | 20 | 2023 | Serbian Championship | E46 Nimzo-Indian |
| 1338. S Tadic vs R Markus |
| ½-½ | 33 | 2023 | Serbian Championship | C01 French, Exchange |
| 1339. R Markus vs M Perunovic |
| ½-½ | 17 | 2023 | Serbian Championship | A57 Benko Gambit |
| 1340. A Ljepic vs R Markus |
| 0-1 | 66 | 2023 | Serbian Championship | C01 French, Exchange |
| 1341. I Ivanisevic vs R Markus |
| 0-1 | 65 | 2023 | Serbian Championship | A17 English |
| 1342. R Markus vs B Lajthajm |
| 1-0 | 54 | 2023 | Serbian Championship | A80 Dutch |
| 1343. Indjic vs R Markus |
| ½-½ | 30 | 2023 | Serbian Championship | C02 French, Advance |
| 1344. R Markus vs V Ivic |
| ½-½ | 31 | 2023 | Serbian Championship | D11 Queen's Gambit Declined Slav |
| 1345. M Indriunas vs R Markus |
| 0-1 | 27 | 2023 | European Club Cup | C01 French, Exchange |
| 1346. M Cornette vs R Markus |
| ½-½ | 19 | 2023 | European Club Cup | C42 Petrov Defense |
| 1347. R Markus vs K Banas |
| 1-0 | 62 | 2023 | European Club Cup | A06 Reti Opening |
| 1348. N Pezelj vs R Markus |
| ½-½ | 31 | 2023 | European Club Cup | C00 French Defense |
| 1349. B Korpa vs R Markus |
| ½-½ | 32 | 2023 | European Club Cup | E67 King's Indian, Fianchetto |
| 1350. R Markus vs G Kjartansson |
| 1-0 | 62 | 2023 | 24th European Teams | A14 English |
Kibitzing
