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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kb8 draw
7 Kc6 draw
8 Kc7 draw
9 Kc8 draw
10 Kf5 draw
11 Kf6 draw
12 Kg7 draw
13 Kh6 draw
14 Kh7 draw
15 Ra5 draw
16 Ra6 draw
17 Ra8 draw
18 Rb4 draw
19 Rc4 draw
20 Rd4 draw
21 Re4 draw
22 Rf4 draw
23 Kf7 loss in 2 half-moves
24 Kg5 loss in 2 half-moves
25 Kh5 loss in 2 half-moves
26 Ra1 loss in 2 half-moves
27 Ra2 loss in 2 half-moves
28 Ra3 loss in 2 half-moves
29 Rg4 loss in 2 half-moves
30 Rh4 loss in 2 half-moves