| Oct 22, 2023 | Robert Markus | 1–0 | Gregor Podkriznik | Round 9: Robert Markus - Gregor Podkriznik | English Opening: Caro-Kann Defensive System | |
| Oct 15, 2023 | Nejc Amon | 0–1 | Robert Markus | Round 6: Nejc Amon - Robert Markus | Alekhine Defense: Exchange Variation | |
| Oct 15, 2023 | Robert Markus | 1–0 | Bostjan Markun | Round 5: Robert Markus - Bostjan Markun | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Oct 15, 2023 | Miran Zupe | 0–1 | Robert Markus | Round 4: Miran Zupe - Robert Markus | English Opening: Anglo-Indian Defense | |
| Sep 28, 2023 | Cem Kaan Gokerkan | ½–½ | Robert Markus | Round 11: Cem Kaan Gokerkan - Robert Markus | Four Knights Game: Scotch Variation Accepted | |
| Sep 27, 2023 | Robert Markus | 1–0 | Slaven Pastar | Round 10: Robert Markus - Slaven Pastar | English Opening: Mikenas-Carls Variation | |
| Sep 26, 2023 | Robert Hovhannisyan | 1–0 | Robert Markus | Round 9: Robert Hovhannisyan - Robert Markus | French Defense: Winawer Variation, Advance Variation | |
| Sep 25, 2023 | Robert Markus | * | Martin Petrov | Round 8: Robert Markus - Martin Petrov | Indian Defense: Anti-Nimzo-Indian | |
| Sep 24, 2023 | Velimir Ivic | ½–½ | Robert Markus | Round 7: Velimir Ivic - Robert Markus | French Defense: Winawer Variation, Retreat Variation, Armenian Line | |
| Sep 23, 2023 | Robert Markus | ½–½ | Borki Predojevic | Round 6: Robert Markus - Borki Predojevic | King's Indian Attack: Double Fianchetto | |
| Sep 22, 2023 | Robert Markus | ½–½ | Dimitris Alexakis | Round 5: Robert Markus - Dimitris Alexakis | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Sep 21, 2023 | Denis Kadric | ½–½ | Robert Markus | Round 4: Denis Kadric - Robert Markus | French Defense: Advance Variation, Euwe Variation | |
| Sep 20, 2023 | Robert Markus | ½–½ | Nikola Sedlak | Round 3: Robert Markus - Nikola Sedlak | Queen's Gambit Declined: Charousek Variation | |
| Sep 19, 2023 | Mihail Nikitenko | ½–½ | Robert Markus | Round 2: Mihail Nikitenko - Robert Markus | Petrov's Defense: Three Knights Game | |
| Sep 18, 2023 | Robert Markus | 1–0 | Umid Aslanov | Round 1: Robert Markus - Umid Aslanov | King's Indian Attack | |
| Jun 14, 2023 | Robert Markus | ½–½ | Velimir Ivic | Round 9: GM Robert Markus (2582) - GM Velimir Ivic (2597) | Slav Defense: Modern Line | |
| Jun 13, 2023 | Aleksandar Indjic | ½–½ | Robert Markus | Round 8: GM Aleksandar Indjic (2613) - GM Robert Markus (2582) | French Defense: Advance Variation, Euwe Variation | |
| Jun 12, 2023 | Robert Markus | 1–0 | Borko Lajthajm | 17. Pojedinacno prvenstvo Srbije 2023. | Dutch Defense | |
| Jun 11, 2023 | Ivan Ivanisevic | 0–1 | Robert Markus | Round 6: Ivan Ivanisevic - Robert Markus | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Jun 10, 2023 | Andrej Ljepic | 0–1 | Robert Markus | Round 5: Andrej Ljepic - Robert Markus | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Jun 9, 2023 | Robert Markus | ½–½ | Milos Perunovic | Round 4: Robert Markus - Milos Perunovic | Benko Gambit Accepted: Pawn Return Variation | |
| Jun 8, 2023 | Stefan Tadic | ½–½ | Robert Markus | Round 3: Stefan Tadic - Robert Markus | French Defense: Exchange Variation | |
| Jun 7, 2023 | Robert Markus | ½–½ | Aleksandar Kovacevic | Round 2: Robert Markus - Aleksandar Kovacevic | Nimzo-Indian Defense: Normal Variation | |
| Jun 6, 2023 | Marko Ivanovic | 0–1 | Robert Markus | Round 1: Marko Ivanovic - Robert Markus | French Defense: Winawer Variation, Advance Variation | |
| Feb 6, 2023 | Robert Markus | 1–0 | Ivan Ivanisevic | Round 6: Robert Markus - Ivan Ivanisevic | Indian Defense: Wade-Tartakower Defense | |
| Feb 6, 2023 | Beloslava Kraseteva | 0–1 | Robert Markus | Round 5: Beloslava Kraseteva - Robert Markus | Old Indian Defense | |
| Feb 6, 2023 | Bojan Maksimovic | 1–0 | Robert Markus | Round 4: Bojan Maksimovic - Robert Markus | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Feb 6, 2023 | Robert Markus | 1–0 | Beloslava Kraseteva | Round 3: Robert Markus - Beloslava Kraseteva | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Quiet Line | |
| Feb 6, 2023 | Ivan Ivanisevic | ½–½ | Robert Markus | Round 2: Ivan Ivanisevic - Robert Markus | Ruy Lopez: Closed, Flohr System | |
| Feb 6, 2023 | Robert Markus | 1–0 | Bojan Maksimovic | Round 1: Robert Markus - Bojan Maksimovic | Modern Defense: Norwegian Defense | |
| Sep 30, 2022 | Bojan Vuckovic | ½–½ | Robert Markus | Round 11: Bojan Vuckovic - Robert Markus | Petrov's Defense: Classical Attack | |
| Sep 29, 2022 | Robert Markus | 1–0 | Gojko Vucinic | Round 10: Robert Markus - Gojko Vucinic | Grünfeld Defense | |
| Sep 28, 2022 | Milan Jocev | ½–½ | Robert Markus | Round 9: Milan Jocev - Robert Markus | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Sep 27, 2022 | Robert Markus | ½–½ | Merab Gagunashvili | Round 8: Robert Markus - Merab Gagunashvili | Slav Defense: Quiet Variation, Schallopp Defense | |
| Sep 26, 2022 | Robert Markus | ½–½ | Milos Perunovic | Round 7: Robert Markus - Milos Perunovic | Catalan Opening: Open Defense, Classical Line | |
| Sep 25, 2022 | Novak Pezelj | ½–½ | Robert Markus | Round 6: Novak Pezelj - Robert Markus | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Sep 24, 2022 | Robert Markus | ½–½ | Marko Nenezic | Round 5: Robert Markus - Marko Nenezic | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Sep 23, 2022 | Goran Arsovic | 0–1 | Robert Markus | Round 4: Goran Arsovic - Robert Markus | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Sep 22, 2022 | Robert Markus | ½–½ | Dusan Popovic | Round 3: Robert Markus - Dusan Popovic | King's Indian Defense: Fianchetto Variation, Simagin Variation | |
| Sep 21, 2022 | Branko Tadic | 0–1 | Robert Markus | Round 2: Branko Tadic - Robert Markus | Indian Defense: Wade-Tartakower Defense | |
| Sep 21, 2022 | Robert Markus | 1–0 | Ivan Sarenac | Round 1: Robert Markus - Ivan Sarenac | Catalan Opening: Closed | |
| Mar 14, 2022 | Velimir Ivic | 1–0 | Robert Markus | Round 9: Velimir Ivic - Robert Markus | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Mar 13, 2022 | Robert Markus | ½–½ | Sanan Sjugirov | Round 8: Robert Markus - Sanan Sjugirov | Bogo-Indian Defense: Retreat Variation | |
| Mar 12, 2022 | Aleksandar Indjic | 1–0 | Robert Markus | Round 7: Aleksandar Indjic - Robert Markus | French Defense: Advance Variation, Euwe Variation | |
| Mar 11, 2022 | Robert Markus | ½–½ | David Navara | Round 6: Robert Markus - David Navara | King's Indian Attack | |
| Mar 10, 2022 | Parham Maghsoodloo | ½–½ | Robert Markus | Round 5: Parham Maghsoodloo - Robert Markus | Old Indian Defense: Normal Variation | |
| Mar 9, 2022 | Robert Markus | ½–½ | Sarin Nihal | Round 4: Robert Markus - Sarin Nihal | King's Indian Attack | |
| Mar 8, 2022 | Robert Markus | 0–1 | Alexey Sarana | Round 3: Robert Markus - Alexey Sarana | Bogo-Indian Defense: Retreat Variation | |
| Mar 7, 2022 | Nodirbek Abdusattorov | 1–0 | Robert Markus | Round 2: Nodirbek Abdusattorov - Robert Markus | French Defense: Advance Variation, Euwe Variation | |
| Mar 6, 2022 | Robert Markus | ½–½ | Ivan Ivanisevic | Round 1: Robert Markus - Ivan Ivanisevic | Catalan Opening: Open Defense | |
| Dec 13, 2020 | Aleksandar Indjic | ½–½ | Robert Markus | Serbian Championship 2020 - Round 9: Aleksandar Indjic - Robert Markus | Queen's Gambit Declined: Tartakower Defense | |
| Dec 12, 2020 | Robert Markus | ½–½ | Milos Perunovic | Serbian Championship 2020 - Round 8: Robert Markus - Milos Perunovic | Semi-Slav Defense: Normal Variation | |
| Dec 11, 2020 | Goran M Todorovic | ½–½ | Robert Markus | Serbian Championship 2020 - Round 7: Goran M Todorovic - Robert Markus | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Dec 11, 2020 | Robert Markus | ½–½ | Novak Cabarkapa | Serbian Championship 2020 - Round 6: Robert Markus - Novak Cabarkapa | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Dec 10, 2020 | Branko Damljanovic | 0–1 | Robert Markus | Serbian Championship 2020 - Round 5: Branko Damljanovic - Robert Markus | Queen's Indian Defense: Kasparov Variation | |
| Dec 9, 2020 | Robert Markus | ½–½ | Ivan Ivanisevic | Serbian Championship 2020 - Round 4: Robert Markus - Ivan Ivanisevic | Indian Defense: Anti-Nimzo-Indian | |
| Dec 8, 2020 | Luka Budisavljevic | ½–½ | Robert Markus | Serbian Championship 2020 - Round 3: Luka Budisavljevic - Robert Markus | Indian Defense | |
| Dec 8, 2020 | Robert Markus | ½–½ | Aleksandar Kovacevic | Serbian Championship 2020 - Round 2: Robert Markus - Aleksandar Kovacevic | Indian Defense: Anti-Nimzo-Indian | |
| Dec 7, 2020 | Robert Markus | 1–0 | Borko Lajthajm | Serbian Championship 2020 - Round 1: Robert Markus - Borko Lajthajm | Bogo-Indian Defense: Wade-Smyslov Variation | |