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