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 Kc8 draw
3 Kd7 draw
4 Ke7 draw
5 Ke8 draw
6 Kf7 draw
7 Kf8 draw
8 Kg7 draw
9 Kh7 draw
10 Kh8 draw
11 Ra5 draw
12 Ra6 draw
13 Ra8 draw
14 Rb4 draw
15 Rf4 draw
16 Rg4 draw
17 Rh4 draw
18 Kc7 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Re4 loss in 2 half-moves