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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Kf6 win in 3 half-moves
3 Kf7 win in 3 half-moves
4 Rf1 win in 3 half-moves
5 Rh1 win in 3 half-moves
6 Kg7 draw
7 Kh5 draw
8 Kh6 draw
9 Kh7 draw
10 Kg5 loss in 4 half-moves
11 Re1 loss in 4 half-moves
12 Ra1 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves