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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Kc5 win in 5 half-moves
3 Kd5 win in 5 half-moves
4 K8c7 win in 7 half-moves
5 K8d7 win in 7 half-moves
6 K8e7 win in 7 half-moves
7 K6c7 draw
8 K6d7 draw
9 K6e7 draw
10 Kc6 draw
11 Kc8 draw
12 Ke6 draw
13 Ke8 draw
14 Ra4 draw
15 Ra6 draw
16 Rb8 draw
17 Ke5 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra7 loss in 2 half-moves