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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Kd8 draw
9 Kf8 draw
10 Kg7 draw
11 Kh7 draw
12 Kh8 draw
13 Ra4 draw
14 Ra6 draw
15 Ra7 draw
16 Re5 draw
17 Rf5 draw
18 Rg5 draw
19 Rh5 draw
20 Kd7 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rc5 loss in 2 half-moves
27 Rd5 loss in 2 half-moves