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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kc5 draw
5 Kd4 draw
6 Kd5 draw
7 Kd8 draw
8 Ke7 draw
9 Kf7 draw
10 Kf8 draw
11 Rf8 draw
12 Rg8 draw
13 Rh4 draw
14 Rh5 draw
15 Rh6 draw
16 Rh7 draw
17 Kb3 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves