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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Kc6 win in 5 half-moves
5 Kdc4 win in 5 half-moves
6 Kd6 win in 7 half-moves
7 Kdd4 win in 7 half-moves
8 Ra6 win in 7 half-moves
9 Rc5 win in 9 half-moves
10 Ke6 win in 13 half-moves
11 Kb2 draw
12 Kc2 draw
13 Kc5 draw
14 Kcc4 draw
15 Kcd4 draw
16 Kd3 draw
17 Ra1 draw
18 Ra3 draw
19 Ra7 draw
20 Ra8 draw
21 Kd2 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Ke5 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Ra4 loss in 2 half-moves