How many wins do I need to get from Diamond 2 to Master?
10 wins
With a 55% win rate, you need to play 100 games, win 55 of them and lose 45.
With a 60% win rate, you need to play 50 games, win 30 of them and lose 20.
With a 65% win rate, you need to play 33 games, win 21 of them and lose 12.
With a 70% win rate, you need to play 25 games, win 18 of them and lose 7.