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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ra7 win in 3 half-moves
3 Kf7 win in 5 half-moves
4 Kf8 win in 5 half-moves
5 Ra8 win in 13 half-moves
6 Kc5 draw
7 Kc6 draw
8 Kc7 draw
9 Kd5 draw
10 Kd8 draw
11 Kdd7 draw
12 Kde7 draw
13 Ke5 draw
14 Ke6 draw
15 Ked7 draw
16 Kee7 draw
17 Ra3 draw
18 Ra6 draw
19 Rb4 draw
20 Rc4 draw
21 Rg4 draw
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves