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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Kd5 win in 5 half-moves
4 Kd6 win in 5 half-moves
5 Ra6 win in 5 half-moves
6 Ka4 win in 9 half-moves
7 Kc4 draw
8 Kcb4 draw
9 Kcb5 draw
10 Kcb6 draw
11 Kd4 draw
12 Ra8 draw
13 Rc7 draw
14 Rg7 draw
15 Kab4 loss in 2 half-moves
16 Kab5 loss in 2 half-moves
17 Kab6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves