| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 251. G A Kosanovic vs Z J Stojanovic |
| 1-0 | 32 | 2009 | II Vojvodina | B12 Caro-Kann Defense |
| 252. Indjic vs G A Kosanovic |
| ½-½ | 12 | 2009 | II Vojvodina | A46 Queen's Pawn Game |
| 253. M M Pavlovic vs G A Kosanovic |
 | 1-0 | 49 | 2010 | Serbian League | C10 French |
| 254. G A Kosanovic vs Dragan R Petrovic |
| ½-½ | 31 | 2012 | ch-Central Serbia | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 255. G A Kosanovic vs N Ristic |
| ½-½ | 49 | 2013 | Serbian First League | B23 Sicilian, Closed |
| 256. G A Kosanovic vs V G Kostic |
| ½-½ | 10 | 2013 | Serbian First League | B23 Sicilian, Closed |
| 257. A Necevski vs G A Kosanovic |
| ½-½ | 12 | 2013 | Serbian First League | D35 Queen's Gambit Declined |
| 258. N Djokic vs G A Kosanovic |
| 0-1 | 60 | 2016 | TCh-SRB Premier | D35 Queen's Gambit Declined |
| 259. G A Kosanovic vs D Leskur |
| ½-½ | 6 | 2016 | TCh-SRB Premier | B09 Pirc, Austrian Attack |
| 260. M Bozic vs G A Kosanovic |
| ½-½ | 27 | 2016 | TCh-SRB Premier | A35 English, Symmetrical |
| 261. G A Kosanovic vs M Bozic |
| ½-½ | 18 | 2018 | Third Saturday 81 IM | B07 Pirc |
| 262. G A Kosanovic vs E Christensen |
| 1-0 | 63 | 2018 | European Club Cup | D05 Queen's Pawn Game |
| 263. O Lemmers vs G A Kosanovic |
| ½-½ | 31 | 2018 | European Club Cup | C10 French |
| 264. J Zawadzka vs G A Kosanovic |
| 1-0 | 50 | 2018 | European Club Cup | B32 Sicilian |
| 265. G A Kosanovic vs M Nikolic |
| ½-½ | 51 | 2018 | European Club Cup | E60 King's Indian Defense |
| 266. E Schiendorfer vs G A Kosanovic |
| ½-½ | 61 | 2018 | European Club Cup | D78 Neo-Grunfeld, 6.O-O c6 |
| 267. M Bozic vs G A Kosanovic |
| ½-½ | 11 | 2019 | Third Sat 106 IM | D35 Queen's Gambit Declined |
| 268. D Leskur vs G A Kosanovic |
| ½-½ | 19 | 2019 | Third Sat 106 IM | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 269. G A Kosanovic vs J Lamser |
| 1-0 | 22 | 2019 | European Club Cup | C25 Vienna |
| 270. G A Kosanovic vs Y Marek |
| ½-½ | 65 | 2019 | European Club Cup | C02 French, Advance |
| 271. G A Kosanovic vs T Kaasen |
| ½-½ | 36 | 2019 | European Club Cup | B50 Sicilian |
| 272. O Salama vs G A Kosanovic |
| 0-1 | 33 | 2019 | European Club Cup | D05 Queen's Pawn Game |
| 273. P Jakobsen vs G A Kosanovic |
| ½-½ | 23 | 2021 | European Club Cup | D55 Queen's Gambit Declined |
| 274. G A Kosanovic vs G Haag |
| ½-½ | 49 | 2021 | European Club Cup | D05 Queen's Pawn Game |
| 275. A Zymberi vs G A Kosanovic |
| 0-1 | 55 | 2021 | European Club Cup | D31 Queen's Gambit Declined |
Kibitzing
