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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Kc4 win in 5 half-moves
3 Kc6 win in 5 half-moves
4 Kd6 win in 5 half-moves
5 Ra6 win in 5 half-moves
6 Ra8 win in 5 half-moves
7 Rb7 win in 5 half-moves
8 Kc5 win in 7 half-moves
9 Kc3 win in 13 half-moves
10 Kc7 draw
11 Kc8 draw
12 Kd3 draw
13 Kd5 draw
14 Kd8 draw
15 Ke8 draw
16 Ra1 draw
17 Ra2 draw
18 Ra4 draw
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Ke7 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Ra5 loss in 2 half-moves