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

EGTB: win in 6 half-moves

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