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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Ra6 win in 3 half-moves
4 Kab4 win in 7 half-moves
5 Kab5 win in 7 half-moves
6 Kb3 win in 7 half-moves
7 Rb7 win in 7 half-moves
8 Ra5 win in 9 half-moves
9 Ka3 win in 11 half-moves
10 Kd5 win in 15 half-moves
11 Kd6 win in 17 half-moves
12 Ka5 draw
13 Kc4 draw
14 Kcb4 draw
15 Kcb5 draw
16 Ra8 draw
17 Rc7 draw
18 Rd7 draw
19 Rh7 draw
20 Kd4 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves