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 Rd4 win in 3 half-moves
3 Re4 win in 3 half-moves
4 Ra7 win in 5 half-moves
5 Ra8 win in 5 half-moves
6 Ke6 win in 7 half-moves
7 Kc7 draw
8 Kc8 draw
9 Kd6 draw
10 Kdd7 draw
11 Kde8 draw
12 Ked7 draw
13 Kee8 draw
14 Ra1 draw
15 Ra2 draw
16 Ra3 draw
17 Rb4 draw
18 Kf6 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Kf8 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves