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

EGTB: win in 4 half-moves

# move score
1 Kcb5 win in 3 half-moves
2 Kcb7 win in 3 half-moves
3 Rd8 win in 3 half-moves
4 Ka7 win in 5 half-moves
5 Kab7 win in 5 half-moves
6 Kc7 win in 5 half-moves
7 Ka5 draw
8 Kab5 draw
9 Kab6 draw
10 Kc5 draw
11 Kcb6 draw
12 Kd6 draw
13 Kd7 draw
14 Ra8 draw
15 Rb8 draw
16 Re8 draw
17 Rf8 draw
18 Kd5 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves