| Jun 2, 2024 | Filip Mazur | 1–0 | Seczkowski | Finał i mecz o 3 m.: Filip Mazur - Seczkowski, Milosz | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Jun 2, 2024 | Kubicki | 0–1 | Seczkowski | 1/2 Finału: Kubicki, Waldemar - Seczkowski, Milosz | Sicilian Defense: Taimanov Variation | |
| Jun 1, 2024 | Seczkowski | 1–0 | Andrzejczak | Round 5: Seczkowski, Milosz - Andrzejczak, Kuba | Caro-Kann Defense: Exchange Variation | |
| Jun 1, 2024 | Oskar Bejma | 1–0 | Seczkowski | Round 3: Oskar Bejma - Seczkowski, Milosz | Indian Defense | |
| May 31, 2024 | Seczkowski | 1–0 | Kubicki | Round 2: Seczkowski, Milosz - Kubicki, Waldemar | Sicilian Defense: Grand Prix Attack | |
| May 31, 2024 | Filip Mazur | 1–0 | Seczkowski | Round 1: Filip Mazur - Seczkowski, Milosz | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Apr 21, 2024 | Jobell | ½–½ | Seczkowski | Round 8B: Jobell, Remigiusz - Seczkowski, Milosz | Sicilian Defense: French Variation | |
| — | Seczkowski | 0–1 | Kruszelnicki | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| — | Seczkowski | 0–1 | Zeglinski | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Sicilian Defense: Closed | |
| — | Seczkowski | 1–0 | Musiala | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Scotch Game: Schmidt Variation | |
| — | Seczkowski | 0–1 | Gajec | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Sicilian Defense: Grand Prix Attack | |
| — | Wojcik | 1–0 | Seczkowski | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Rapport-Jobava System | |
| — | Novytska | 0–1 | Seczkowski | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Sicilian Defense: Lasker-Pelikan Variation, Exchange Variation | |
| — | Krawczyk | 1–0 | Seczkowski | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| — | Wisniewski | ½–½ | Seczkowski | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
