Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 f7 win in 3 half-moves
2 Rd1 draw
3 Re1 draw
4 Rf1 draw
5 Rg1 draw
6 Rh2 draw
7 Rh7 draw
8 Rh8 draw
9 Rh6 loss in 6 half-moves
10 Ra1 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rh3 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Rh5 loss in 2 half-moves