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

EGTB: win in 2 half-moves

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