Hi, yes this serve can definitely help you. Have you had a look at our long fast serve video here- https://tabletennisdailyacademy.com/videos/how-to-do-the-long-fast-ace-serve/
This will give you all the technical tips to build the serve. The main things are to contact the ball low and lanf the first bounce on your side close to the white line to get the depth good.
Hope this helps, Tom
