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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kd5 win in 7 half-moves
5 Kc5 win in 9 half-moves
6 Kc6 win in 11 half-moves
7 Ka5 draw
8 Kb3 draw
9 Kd7 draw
10 Ra1 draw
11 Ra2 draw
12 Rb3 draw
13 Rc3 draw
14 Rd3 draw
15 Ke5 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves