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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc1 draw
5 Kc2 draw
6 Kc3 draw
7 Kc7 draw
8 Ke1 draw
9 Ke2 draw
10 Rb1 draw
11 Rc1 draw
12 Rh1 draw
13 Kd3 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves