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 Rb7 win in 3 half-moves
3 Kcb5 win in 7 half-moves
4 Kcc6 win in 7 half-moves
5 Kd5 win in 7 half-moves
6 Kbb5 win in 9 half-moves
7 Kd6 draw
8 Rc8 draw
9 Rf8 draw
10 Ka5 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Ka7 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kbc6 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves