Kent Fire and Rescue Service (KFRS) were called to a blaze at a football club near Scotton Street, Wye just after 2am on Sunday 19 June 2022.
The fire was put out with no reported injuries.
However, following enquiries at the scene, the incident is being treated as suspicious.
Police officers are investigating and urge anyone who witnessed anything suspicious in the area between midnight and 2.30am that morning to get in contact.
Anyone with any information, or dashcam or CCTV footage which may assist, should call Kent Police on 01843 222289, quoting reference 46/117587/22.
You can also contact Crimestoppers anonymously by calling 0800 555111, or using the online form on their website.