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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kf8 win in 3 half-moves
3 Rd1 win in 3 half-moves
4 Re1 win in 3 half-moves
5 Rf1 win in 3 half-moves
6 Kc8 draw
7 Kdd7 draw
8 Kde7 draw
9 Ked7 draw
10 Kee7 draw
11 Rg6 draw
12 Rg8 draw
13 Rh1 draw
14 Kc7 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg7 loss in 2 half-moves