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 Kcb6 win in 3 half-moves
3 Kcb7 win in 3 half-moves
4 Kd7 win in 3 half-moves
5 Rd7 win in 3 half-moves
6 Rb7 win in 7 half-moves
7 Kab6 win in 11 half-moves
8 Ra7 win in 13 half-moves
9 Ka5 draw
10 Ka7 draw
11 Kab5 draw
12 Kab7 draw
13 Kc5 draw
14 Kd5 draw
15 Kd6 draw
16 Rc8 draw
17 Re7 draw
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves