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

EGTB: win in 10 half-moves

# move score
1 Kb4 win in 9 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb6 draw
6 Kc1 draw
7 Kc5 draw
8 Kc6 draw
9 Ke1 draw
10 Ra8 draw
11 Rb7 draw
12 Rc8 draw
13 Rd8 draw
14 Rh8 draw
15 Kc2 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Ke2 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves