Hi, yes i have.
But only drinking green tea regularly and not maintaining a proper diet won't help.
I was at 74 kgs before starting with green tea and then with 2 large cups of plain green tea with lemon ( no sugar or honey). Took it for 2 months and now i have a reduced belly and fat content on my body. I am at 67 kgs.
see this site, I knew matcha here
http://www.matchatea10.com/2016/05/matcha-tea.html
I maimtain a proper diet plus i also workout regularly but still i feel that most of weightloss was due to green tea because other things were followed by me for more than a year now. So, have patience and drink green tea.