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

EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 K4c4 win in 7 half-moves
3 Kd2 win in 7 half-moves
4 Ra3 win in 7 half-moves
5 Rb4 win in 7 half-moves
6 K3c3 win in 9 half-moves
7 K3c4 win in 9 half-moves
8 Kc2 win in 9 half-moves
9 Ra7 draw
10 K3e3 loss in 2 half-moves
11 K3e4 loss in 2 half-moves
12 K4c3 loss in 2 half-moves
13 K4e3 loss in 2 half-moves
14 K4e4 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Ra8 loss in 2 half-moves