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 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke7 draw
6 Ke8 draw
7 Kg7 draw
8 Kg8 draw
9 Kh6 draw
10 Kh8 draw
11 Ra5 draw
12 Ra6 draw
13 Ra8 draw
14 Re4 draw
15 Rf4 draw
16 Rg4 draw
17 Rh4 draw
18 Kg6 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 Rb4 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd4 loss in 2 half-moves