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 Ra1 draw
3 Ra2 draw
4 Ra6 draw
5 Ra8 draw
6 Rd5 draw
7 Re5 draw
8 Rf5 draw
9 Rh5 draw
10 Kb7 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kcd7 loss in 2 half-moves
14 Kcd8 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ked7 loss in 2 half-moves
17 Ked8 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kf8 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rg5 loss in 2 half-moves