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 Kb5 win in 3 half-moves
4 Kc3 win in 7 half-moves
5 Kcc5 win in 7 half-moves
6 Ra4 win in 7 half-moves
7 Kcd4 win in 9 half-moves
8 Kd3 win in 9 half-moves
9 Kdc5 win in 9 half-moves
10 Ra1 win in 9 half-moves
11 Ra2 win in 11 half-moves
12 Ra8 draw
13 Rb5 draw
14 Rc5 draw
15 Kc6 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kdd4 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves