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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Kg7 draw
11 Kg8 draw
12 Kh7 draw
13 Ra3 draw
14 Ra5 draw
15 Ra6 draw
16 Ra7 draw
17 Rb4 draw
18 Rf4 draw
19 Rg4 draw
20 Rh4 draw
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Re4 loss in 2 half-moves