| Jun 6, 2026 | Iderjavkhlan | 0–1 | Sodbilegt | Round 9: Iderjavkhlan, Tumursukh - Sodbilegt, Naranbold | Sicilian Defense: Kan Variation, Wing Attack | |
| Jun 5, 2026 | Ho | 0–1 | Iderjavkhlan | Round 8: Ho, In Hei Henry - Iderjavkhlan, Tumursukh | Queen's Pawn Game: Colle System | |
| Jun 4, 2026 | Iderjavkhlan | 0–1 | Goh | Round 7: Iderjavkhlan, Tumursukh - Goh, Zi Han | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 3, 2026 | Putrenko | ½–½ | Iderjavkhlan | Round 6: Putrenko, Kirill - Iderjavkhlan, Tumursukh | Queen's Gambit Declined: Queen's Knight Variation | |
| Jun 2, 2026 | Iderjavkhlan | 1–0 | Munkh-Erdene | Round 5: Iderjavkhlan, Tumursukh - Munkh-Erdene, Sanjaanamdag | Sicilian Defense: Alapin Variation | |
| Jun 1, 2026 | Prraneeth Vuppala | 1–0 | Iderjavkhlan | Round 4: Prraneeth Vuppala - Iderjavkhlan, Tumursukh | French Defense: Advance Variation, Euwe Variation | |
| May 31, 2026 | Iderjavkhlan | 0–1 | Khripachenko | Round 3: Iderjavkhlan, Tumursukh - Khripachenko, Alexander | Vienna Game: Vienna Gambit, Bardeleben Variation | |
| May 29, 2026 | Iderjavkhlan | 0–1 | Megaranto | Round 1: Iderjavkhlan, Tumursukh - Megaranto, Susanto | French Defense: Advance Variation, Milner-Barry Gambit, Main Line | |
| Jul 18, 2025 | Lin | 0–1 | Iderjavkhlan | SERBIA OPEN 2025 - CHALLENGER - СРБИЈА ОПЕН 2025 - ИЗАЗИВАЧИ | Scotch Game | |
| Jul 18, 2025 | Iderjavkhlan | 1–0 | Petrovic | SERBIA OPEN 2025 - CHALLENGER - СРБИЈА ОПЕН 2025 - ИЗАЗИВАЧИ | Queen's Pawn Game | |
| Jul 17, 2025 | Azaric | 0–1 | Iderjavkhlan | SERBIA OPEN 2025 - CHALLENGER - СРБИЈА ОПЕН 2025 - ИЗАЗИВАЧИ | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| Jul 14, 2025 | Iderjavkhlan | 1–0 | Garifulin | SERBIA OPEN 2025 - CHALLENGER - СРБИЈА ОПЕН 2025 - ИЗАЗИВАЧИ | Nimzo-Indian Defense | |
| Jul 14, 2025 | Iderjavkhlan | ½–½ | Ignjatovic | SERBIA OPEN 2025 - CHALLENGER - СРБИЈА ОПЕН 2025 - ИЗАЗИВАЧИ | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 14, 2025 | Pikula | ½–½ | Iderjavkhlan | SERBIA OPEN 2025 - CHALLENGER - СРБИЈА ОПЕН 2025 - ИЗАЗИВАЧИ | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| Jun 24, 2025 | Iderjavkhlan | 0–1 | Tutmaz | Round 3: Iderjavkhlan, Tumursukh - Tutmaz, Bugra Hamza | Indian Defense | |
| Mar 15, 2025 | Iderjavkhlan | * | Batbaatar | Round 5: Iderjavkhlan, Tumursukh - Batbaatar, Baatar | Trompowsky Attack | |
| Mar 15, 2025 | Aldar Burentegsh | * | Iderjavkhlan | Round 6: Aldar Burentegsh - Iderjavkhlan, Tumursukh | Dutch Defense: Staunton Gambit, Alekhine Variation | |
| Mar 14, 2025 | Iderjavkhlan | ½–½ | Naranzaya Zorigoo | Round 3: Iderjavkhlan, Tumursukh - Naranzaya Zorigoo | Zukertort Opening | |
| Oct 26, 2023 | Iderjavkhlan | 1–0 | Murawski | WCC 2023 - Open U12 | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Oct 25, 2023 | Alizada | 1–0 | Iderjavkhlan | WCC 2023 - Open U12 | French Defense: Tarrasch Variation | |
| Oct 16, 2023 | Iderjavkhlan | 0–1 | Korelskiy | WCC 2023 - Open U12 | Indian Defense | |
