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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Kg6 draw
11 Kg7 draw
12 Kg8 draw
13 Kh6 draw
14 Kh8 draw
15 Ra3 draw
16 Ra5 draw
17 Ra6 draw
18 Ra8 draw
19 Rb4 draw
20 Rc4 draw
21 Rd4 draw
22 Re4 draw
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves