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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ka7 draw
3 Kb8 draw
4 Kd3 draw
5 Kd4 draw
6 Kd5 draw
7 Ke3 draw
8 Kf3 draw
9 Kf4 draw
10 Ra1 draw
11 Rb1 draw
12 Rc1 draw
13 Rd1 draw
14 Re2 draw
15 Re3 draw
16 Rf1 draw
17 Ke5 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves