| Tournament Name | 2025 Sydney International Open Challengers |
| Place | Sydney |
| Federation | AUS |
| Date Begin | 23/04/2025 |
| Date End | 27/04/2025 |
| Arbiter(s) | IA Tsai, Peter 3214672 (AUS) |
| Play System | swiss FIDE Dutch (JaVaFo) |
| Rounds | 9 |
| Score game | 0-0.5-1 |
| Tie break | DE BH BH-C1 BH-C2 |
| Registered Players | 110 |
| Number of Federations | 16 |
| Average Rating (all) | 1777 |
| Average Rating (only FIDE rated) | 1777 |
| Players from AUS Federation | 3 |
| Players NOT from AUS Federation | 107 |
| FIDE rated players | 106 |
| unrated players | 4 |
| unrated players from AUS Federation | 0 |
| unrated players NOT from AUS Federation | 4 |
| unrated Federations | 3 |
| FIDE titled players | 12 |
| GM players | 0 |
| WGM players | 0 |
| IM players | 1 |
| WIM players | 0 |
| FM players | 0 |
| WFM players | 2 |
| CM players | 6 |
| WCM players | 3 |
| FIDE titled player from AUS Federation | 0 |
| FIDE titled player NOT from AUS Federation | 12 |