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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Kb7 draw
6 Kd4 draw
7 Ke2 draw
8 Ke4 draw
9 Kf2 draw
10 Kf4 draw
11 Rf3 draw
12 Rg3 draw
13 Rh4 draw
14 Rh5 draw
15 Rh6 draw
16 Rh7 draw
17 Rh8 draw
18 Kd2 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves