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

EGTB: win in 4 half-moves

# move score
1 K5c4 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Ke6 win in 3 half-moves
4 Ra6 win in 3 half-moves
5 Rc5 win in 3 half-moves
6 Kc3 win in 7 half-moves
7 K4c4 draw
8 K4c5 draw
9 K5c5 draw
10 Kd3 draw
11 Kd6 draw
12 Ra4 draw
13 Ra7 draw
14 Ra8 draw
15 Rb5 draw
16 K4e4 loss in 2 half-moves
17 K4e5 loss in 2 half-moves
18 K5e4 loss in 2 half-moves
19 K5e5 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves