Oolong tea is also obtained from Camellia sinensis, but the processing is different from green and matcha teas. It is also loaded with EGCG, a potent phytonutrient that has antioxidant properties. Scientists have confirmed that oolong tea is great for weight loss as it helps lower the lipid levels in the blood and increases fat metabolism (24), (25).
It isn't really possible to say which is the "best" because this is truly personal and requires tasting a range of them to decide which you like the most. Moreover, it can even vary between different harvests of the same variety. You might like to try Japanese green tea (sencha) and Chinese green tea to decide which you prefer. And for what it's worth, "sencha hatzekura" tastes lovely!