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 Kg6 win in 5 half-moves
3 Kg7 win in 5 half-moves
4 Kg8 win in 5 half-moves
5 Kb6 draw
6 Kb7 draw
7 Kb8 draw
8 Kc6 draw
9 Kc8 draw
10 Kd6 draw
11 Kd7 draw
12 Kd8 draw
13 Kh6 draw
14 Kh8 draw
15 Ra4 draw
16 Ra6 draw
17 Ra7 draw
18 Rf5 draw
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rh5 loss in 2 half-moves