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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Kd4 win in 3 half-moves
5 Ra1 win in 3 half-moves
6 Ra3 win in 3 half-moves
7 Ra4 win in 3 half-moves
8 Kb3 win in 7 half-moves
9 Rb5 win in 7 half-moves
10 Kb1 draw
11 Kb2 draw
12 Kb5 draw
13 Kc1 draw
14 Kc3 draw
15 Kd1 draw
16 Kd2 draw
17 Kd3 draw
18 Kd5 draw
19 Ra2 draw
20 Ra6 draw
21 Kc6 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Ra8 loss in 2 half-moves