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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Kb4 win in 5 half-moves
3 Kcb5 win in 5 half-moves
4 Kcb6 win in 5 half-moves
5 Kd6 win in 5 half-moves
6 Kc6 win in 7 half-moves
7 Ka5 draw
8 Kd5 draw
9 Ra8 draw
10 Kab5 loss in 2 half-moves
11 Kab6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
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