26 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Kostic, Ivan | Bilik, Matej | 0-1 | A56 | MSR amaterov | 2024-06-18 |
| Kostic, Ivan | Foldesi, Jan | 1-0 | A84 | MSR amaterov | 2024-06-17 |
| Kostic, Ivan | Milfort, Vaclav | 1-0 | D00 | MSR amaterov | 2024-06-16 |
| Kostic, Ivan | Mazak, Ryan | 0-1 | A84 | MSR amaterov | 2024-06-16 |
| Kostic Ivan | Nedoba Jakub | 1-0 | D00 | exe: Slovakia Open | 2022-10-01 |
| Kostic Ivan | Durovka Stefan | 0-1 | D04 | exe: Slovakia Open | 2022-10-01 |
| Kostic Ivan | Nikpour Aryabod | 1-0 | D00 | exe: Slovakia Open | 2022-10-01 |
| Kostic Ivan | Nytra Ondrej | 0-1 | D00 | exe: Slovakia Open | 2022-09-30 |
| Kostic, Ivan | Marsina, Stefan | 0-1 | E60 | International Slovak Championship | 2021-07-18 |
| Kostic, Ivan | Kapolkova, Greta | 1-0 | D00 | International Slovak Championship | 2021-07-15 |
| Kostic, Ivan | Sevcik, Ondrej | 1/2-1/2 | D00 | International Slovak Championship | 2021-07-13 |
| Kostic, Ivan | Musaev, Matej Elbek | 0-1 | A41 | International Slovak Championship | 2021-07-11 |