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 Kcb5 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Ra8 win in 3 half-moves
5 Rd8 win in 3 half-moves
6 Kb7 win in 5 half-moves
7 Kc4 win in 5 half-moves
8 Ka7 win in 7 half-moves
9 Kc7 win in 7 half-moves
10 Ka5 draw
11 Ka6 draw
12 Kbb5 draw
13 Kbc6 draw
14 Kcc6 draw
15 Kd6 draw
16 Rb8 draw
17 Rc7 draw
18 Re8 draw
19 Kd4 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves