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 Kd2 draw
5 Kd3 draw
6 Kd4 draw
7 Ke2 draw
8 Ke4 draw
9 Kf2 draw
10 Kf3 draw
11 Kf4 draw
12 Rc7 draw
13 Rd7 draw
14 Re4 draw
15 Re5 draw
16 Re6 draw
17 Re8 draw
18 Rf7 draw
19 Rg7 draw
20 Rh7 draw
21 Ra7 loss in 2 half-moves
22 Rb7 loss in 2 half-moves