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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kd1 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Kf1 draw
11 Rb7 draw
12 Rc8 draw
13 Rd7 draw
14 Re7 draw
15 Kd2 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves