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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Kc2 win in 5 half-moves
3 Kc3 win in 5 half-moves
4 Kd3 win in 5 half-moves
5 Kc7 win in 9 half-moves
6 Kc1 draw
7 Kd1 draw
8 Ke1 draw
9 Ke2 draw
10 Ra2 draw
11 Ra3 draw
12 Ra4 draw
13 Ra5 draw
14 Ka6 loss in 2 half-moves
15 Ka8 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kb8 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra8 loss in 2 half-moves