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

EGTB: win in 6 half-moves

# move score
1 Rc8 win in 5 half-moves
2 Kc5 win in 9 half-moves
3 Ra4 win in 9 half-moves
4 Kc8 win in 11 half-moves
5 Kc3 draw
6 Kc4 draw
7 Kd3 draw
8 Kd5 draw
9 Ke3 draw
10 Ke4 draw
11 Ke5 draw
12 Ra1 draw
13 Rb8 draw
14 Kc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves