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 Kb6 draw
3 Kb7 draw
4 Kd6 draw
5 Kd7 draw
6 Rb7 draw
7 Rc8 draw
8 Rg7 draw
9 Rh7 draw
10 Kb5 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves