Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Ra2 draw
8 Ra3 draw
9 Ra4 draw
10 Ra6 draw
11 Ra7 draw
12 Rc1 draw
13 Rd1 draw
14 Re1 draw
15 Rg1 draw
16 Rh1 draw
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves