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

EGTB: win in 4 half-moves

# move score
1 Kd2 win in 3 half-moves
2 Re1 draw
3 Kb2 loss in 2 half-moves
4 Kb3 loss in 2 half-moves
5 Kb4 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kc4 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kg1 loss in 2 half-moves
11 Kg2 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves