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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Rc7 win in 5 half-moves
5 Kc7 win in 13 half-moves
6 Kd7 win in 19 half-moves
7 Kab5 draw
8 Kab6 draw
9 Kab7 draw
10 Kcb5 draw
11 Kcb6 draw
12 Kcb7 draw
13 Kd5 draw
14 Ra8 draw
15 Rb7 draw
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves