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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kd4 win in 3 half-moves
5 Kdd6 win in 3 half-moves
6 Ra4 win in 3 half-moves
7 Ra7 win in 3 half-moves
8 Ke5 win in 5 half-moves
9 Ke6 win in 5 half-moves
10 Kc4 draw
11 Kc7 draw
12 Kcc5 draw
13 Kcd6 draw
14 Kd7 draw
15 Kdc5 draw
16 Ra3 draw
17 Ra6 draw
18 Ra8 draw
19 Rb5 draw
20 Rc5 draw
21 Ke4 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves