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

EGTB: win in 4 half-moves

# move score
1 Kd8 win in 3 half-moves
2 Kd7 win in 5 half-moves
3 Kb7 draw
4 Kb8 draw
5 Kc7 draw
6 Kg7 draw
7 Kg8 draw
8 Kh7 draw
9 Ra1 draw
10 Rb1 draw
11 Rc1 draw
12 Rd1 draw
13 Re2 draw
14 Re6 draw
15 Re7 draw
16 Re8 draw
17 Rf1 draw
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves