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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Kc8 win in 3 half-moves
3 Ra8 win in 3 half-moves
4 Kb5 win in 5 half-moves
5 Kb7 win in 5 half-moves
6 Kd8 win in 5 half-moves
7 Kb4 win in 9 half-moves
8 K5b6 draw
9 K5c6 draw
10 K5d6 draw
11 K7b6 draw
12 K7c6 draw
13 K7d6 draw
14 Kc4 draw
15 Ra3 draw
16 Ra4 draw
17 Ra5 draw
18 Ra6 draw
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Rb7 loss in 2 half-moves